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Home / Product Category / Whole House Audio / Volume Controls / Outdoor Volume Controls / OVC100 Outdoor Volume Control with Self-Impedance Matching 100W Rotary Weather Resistant Housing Easy Jumper Setting

OVC100 Outdoor Volume Control with Self-Impedance Matching 100W Rotary Weather Resistant Housing Easy Jumper Setting

Product code: OSD-OVC100

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Features & Specifications

Easily control between one and eight speakers with the OVC100 Outdoor Volume Control with Self-Impedance Matching (100W). Built with impedance matching and weather resistance, this controller is ideal for outdoor decks and patios. Featuring high permeability steel in the volume control core, this speaker volume control helps you create a rich, full sound performance without bass roll-off.

This speaker volume control includes an easy access impedance matching switch and a metal mounting plate with matching plastic. The OVC100 Outdoor Volume Control with Self-Impedance Matching (100W) has a power rating of 100 watts, peak 20Hz-20 kHz and 8 ohms stereo and comes with a 1-year warranty.


Other Product Info

Pure Resonance Volume Control 100 Watts of optimized sound quality minimal bass roll-off and can control 1-8 pairs of speakers simultaneously with impedance matching. The autoformer design features outstanding sound quality due to high permeability steel utilization in the volume control core. The speaker wire inserts use lock clips and are detachable allowing you to connect with ease to your speakers. Come with Grey or white face plate.


  View Owner's Manual            Product Information


35 Questions & 35 Answers
John Corry
from St. Louis, MO asked:
June 13, 2018
Can you provide any guidance on if the grey color of the box will match grey pvc pipe? Do you have any recommendations on a brand to buy that will match?
1 Answer
Hi John: Good question, I assume we can find out the Grey Pantone and then you could contact the PVC manufacturer. I am also assuming our factory who has been doing this for ten plus years most likely used a PVC pipe as a reference. I will ask our engineer and post the results. TL/5054
Tim Leahy
on June 17, 2018

from Southeast Louisiana asked:
January 21, 2018
I have a JVC AX-R551 amp with zone 2 Driving 2 Bose 151 speakers. Old setup at fishing camp but would love to have volume control downstairs on those Bose speakers. Is the OVC 100 the correct choice for this application? And would like a recommendation for replacing the speaker wire. Thanks
1 Answer
Hi Jenette: The BOSE151 are rated at 10 to 100 watts and your JVC is rated at 100 watts per channel. You you would be better with the OVC300. It is rated at 150 watts RMS and 300 ways peak. But it will never saturate and distort because it will have ample storage capability. These volume controls attenuate your sound so in fact you are turning your sound down from whatever your source level is set to. You want to make sure you have plenty of room to divert the sound to the transformers. So the sound will be in audible long before it would saturate. TL/4762
Customer Service - Q&A
on January 24, 2018

from Chicago, ILL asked:
November 25, 2017
Hi I have a Onkyo 676 7.2 channel receiver. I will be using zone 2 for outdoor definitive technology 2 x aw6500 speakers. I just ordered 14 gauge direct burial in wall wire from your website. Do i need a separate/different wire? Or the wire i ordered and OVC100 will work for volume control? Thanks
1 Answer
Hi HP: I am assuming you will be connecting the Zone 2 speaker Level outputs of the ONKYO Receiver. 14 Gauge will work perfect with the Onkyo, Definitive Technology speakers and OVC Volume Control. I would have recommended the OVC300 especially since the AVR is rated at 100 watts and the speakers will handle up to 200 watts. The OVC100 is rated at 50 watts RMS and 100 Watts peak so you would saturate the transformers before it could effectively turn down your volume to in-audible levels. You would want the OVC300. And checkout our Aqua Blue electrical connectors with silicon for terminating the speaker wires to the OVC 300. TL/4665
Customer Service - Q&A
on November 26, 2017

from phoenix, az asked:
November 18, 2017
I only get audio if the volume control is in the fully on position. I do not get any audio on any of the lower volume settings. What is wrong?
1 Answer
Hi Josh: That is a loaded question. It would help to know the following: What are you connected to Amplifier/Receiver and what speakers (Brand & Model)? How many Zones are you dealing with (Is this the only Volume Control you have). What is the impedance matching setting (look inside the 3/4" hole on the bottom)? You may have the Inputs connected to speakers instead of the Amplifier. It sounds like it could be reversed. TL/4655
Customer Service - Q&A
on November 24, 2017

from Houston, TX asked:
November 15, 2017
considering this OVC100. To volume control a set of AP840 outdoor speakers. Power from a Denon AVR-S700W, 70 watts per channel at 8ohms. . I'll have 2 sets of MK650 inside on the main channels and and the AP840 outside on the back channels. Just for music. Will the OVC100 do the jof?
1 Answer
Hi Juan: That should work, are you using volume controls for the internal MK650? It sounds like you are connecting. the outdoor speakers to the zone 2 connection or Surround back L&R. You can play different music for inside versus zone 2. TL/4651
Customer Service - Q&A
on November 16, 2017

Tom Z
from IL asked:
June 11, 2017
Can you use this VC with the BT650 speakers? If so how do you connect.
1 Answer
Hi Tom Z; No the OVC-100 will not work with the BTP650. The OVC-100 outdoor volume control is a passive device that has to connect to the right and left speaker level wires between the amplifier and speaker. The OVC-100 does not add any gain but takes what ever volume level you have and turns decreases the volume (attenuates the level). You only have access to the wire connecting to the satellite speaker but not the speaker in the Master. So no this would not work with any of our current Bluetooth speakers. TL/4421
Customer Service - Q&A
on June 12, 2017

from Keweenaw, MI asked:
May 19, 2017
Hi.... Just checking to be sure this vol control works with Yamaha NS AW150 6ohm speakers. Power from Technics SA-300 receiver / amp. Thanks, Tom
1 Answer
HI Tom: The OVC-100 will work for your application but I would recommend going to the OVC300. Your 6 ohm speakers are going to increase power demand by 1.5. The 300 watt version makes sure you do not saturate the Volume Control and cause possible distortion. TL/4376
Customer Service - Q&A
on May 21, 2017

from Toronto ontario Canada asked:
September 29, 2016
Using 4 sonos connects (1 for each zone) with the the OSD MX1260 High Efficiency 60 Watts x 12 Channel (4 Ohm stable) Bridged Mono 80 Watts Amplifier (Product code: OSD-MX1260), will I be able to control the volume in each zone via the sonos app or do i need to purchase 4 volume controls too? Currently using my yamaha receiver with an analog input from a play 5 speaker I can control the volume in zone B using the Sonos app.
1 Answer
Hi Tom: You should be able to control the volume with your app controlling the SONOS Connect for each of the dedicated zones. Not sure what speakers you are using in each zone. You have the option of powering two pair of speakers for two of your zones, You would connect the SONOS #1 to Bus Input number 1 and assign channels 1 and 2 (Zone 1) for one pair and channels 3 and 4 (zone 2) for a second pair, this being your zone 1. The single SONOS Connect would power the two pair of speakers in the single zone (each zone set for bus line 1 input.. You could do the same with the second zone connecting the Connect to Bus #2 and assign channels 5 & 6 (zone 3) and channels 7 & 8 (zone 4) for your second zone with two pair of speakers. The third SONOS Connect would connect to channels 9 and 10 (zone 5) and the fourth SONOS Connect connected to the channels 11& 12 (zone 6). Of course you can add the individual volume control for all or anyone of the four zones to allow you to attenuate the volume manually in the respective zone. Let me know if you need further clarification; Good luck TL/4082
Customer Service - Q&A
on October 2, 2016

John mackey
from Ottawa asked:
August 29, 2016
Can this product be used in harsh winter climates?
1 Answer
Hi John: You should have no problem as long as you use a 3/4 inch pipe connected to the bottom of the Volume Control so limiting the exposure of the hole on the bottom where your wires drop out from and also you make your impedance settings. A length of pipe will make it harder for moisture to getting up inside the housing. The housing itself is well insulated. Good luck... TL/4039
Customer Service - Q&A
on August 30, 2016

from Pittsburgh, PA asked:
August 9, 2016
I have a single set of speakers running through this volume control. I am getting a receiver error indicating a short in the left speaker wiring. I've checked the speaker and wiring connections and found no issues that would cause a short. All connections are banana plugs except for those at the volume control, where the connections are wire nuts. Those connections also look clean. Is it possible that there is a short in the PCBA of this unit? One other symptom: the short seems to occur at higher volumes (above 40% output on the receiver). Again: the receiver and speakers all checked out fine. It's the wiring for the left speaker that is causing the short. Thanks
1 Answer
HI Greg: You say the receiver has an error message that a short is present on the left channel but does the message come on all the time or only after you turn the volume above 40 DB? Are you actually turning the sound down when this occurs (turning the knob counterclockwise until the sound is inaudible). If you are trying to turn the sound down at high output levels you may have an issue where you are saturating the transformers of the OVC 100 which is rated at 50 watts continuous 100 watts peak. This maybe giving you the error message. You probably need to upgrade to the OVC300. Where and when did you buy the current OVC100? Let me know, TL/4017
Customer Service - Q&A
on August 15, 2016

from Shelbyville asked:
June 29, 2016
I noticed none of your outdoor VCs have on/off capability. Is there any concern if I leave all of my zones at the lowest setting for extended periods of time without powering off the amp? Could this cause harm to the amp?
1 Answer
Hi Brian: How many Volume Controls are you running? Are you using a Speaker Selector as well with the volume controls? I can better answer you if I know a little more about your overall system, like how many speakers and components you are using including Brand and model number?
Customer Service - Q&A
on July 5, 2016

from New England asked:
June 13, 2016
The owner's manual notes that this can "Control: Up to 2 speakers." But the description on the site says 1-8 speakers. Which is it? Also, if this can handle more than one-pair of speakers, are the conduits large enough to accept multiple sources of speaker wire twisted together?
1 Answer
Hi Ray: Good questions, we do not recommend connecting more than two pair of speakers to a single volume control at a time. We do recommend if you are using a eight zone Speaker Selector you will need to use eight Volume Controls, one for each zone. This can include using two pair of speakers on one or two of the zones as well. Note: the Impedance setting number is calculated on number of 8 ohm speakers. If you have 4 ohm speakers you must count this as 2 eight ohm speakers and 6 ohm speakers count as 1.5; 8 ohm speakers. Also per your second question; most input/output connectors accept 14 gauge wire but is tight. You can twist a pair of 16 gauge but is tight as well. That is the same as our Speaker Selector removable input/outputs connectors. TL/3929
Customer Service - Q&A
on June 14, 2016

from Florida asked:
April 30, 2016
I currently have a high-end marine stereo on a boat with two pairs of speakers attached, one pair in the cabin and one pair in the aft cockpit area. I want to add a set of speakers to the bow of the boat and was thinking that I would parallel off of the pair of cabin speakers. When completed I'm concerned that if I turn up the volume to hear the bow speakers that the cabin volume will be too high. Can I use a fader control such as this to "balance" the two paralleled pairs of speakers so that the bow pair is louder than the cabin pair?
1 Answer
Hi Gary: The single Volume Control will not work for you application. A better choice for you is the SSVC2 dual zone speaker selector which features two Impedance Matching Volume Controls and dual source. These volume control both the OVC-100 and also the ones found in the SSVC2 are passive devices that do not add gain, they actually attenuate the signal, turning it down. So when you turn the sound up for the Bow and cabin speakers you would turn the sound down in the cabin with volume control assigned to that zone (either zone 1 or zone 2). You also have an on/off switch per zone on the speaker selector for added flexibility. (the internal volume controls are also rated at 300 watts peak) I hope that helps TL/3850
Customer Service - Q&A
on May 4, 2016

from Lawrenceville, GA asked:
April 3, 2016
I have a pair of Yamaha NS-AW150 speakers that are 6 ohm. Can I run this volume control. Also is this a powered volume control or do you just hook up speakers and go. Thanks in advance
1 Answer
Hi Bryan: You can run this pair of speakers with the Volume Control, the default setting on the Volume control is 1/2x. Your six ohm speakers would be calculated as 1.5x so that would work fine. These Volume Controls are passive devices that actually turn the sound down they do not add gain. There is no external power supply needed. You set your Volume levels with the Volume Control fully open all the way clockwise. Adjust the volume from your source to the optimum level just below clipping. Then you are turning the sound down at the volume control. You might want to consider the OVC300 since these speakers are rated at 120 watts. I hope that helps TL/3796
Customer Service - Q&A
on April 5, 2016

from NY asked:
April 2, 2016
I'd like to be able to independently control the volume of two pairs of outdoor speakers. I'm only running one pair of speaker wires outside and was thinking that I needed two of these volume controls, or some type of outdoor speaker switch (which I don't see on your site) to be able to switch between A, B or A+B. My amplifier can handle low impedance without an issue.
1 Answer
HI Steve: I am assuming you have either a single four conductor cable or Dual two conductor cables coming from your house. You can splice these so you have two four conductors cables (16/4 or 14/4 depending what you have already run, 16 or 14 gauge) going to a outdoor volume control for each pair of speakers. I would recommend going with the OVC300 where you will be using the volume control to turn the speaker volume level down so it is in audible. You would set each Volume control impedance setting to 1/2x. As you said low impedance is not a problem but the lower impedance will create more power so that is another reason I suggested the OVC-300 over the OVC-100. Checkout our CL3/FT4 direct burial wire available in 14 or 16 gauge and also look up out Aqua Blue terminal connectors for the splicing. There is another option for you if you have access to the speaker wires before it goes outdoors, you can add a SSVC2 speaker selector with Internal volume controls and on off switch per zone. Please let us know if this helps. TL/3793
Customer Service - Q&A
on April 3, 2016

from NorCal asked:
December 19, 2015
Is this unit stereo in and stereo out? Is this all I need to control the volume of a stereo pair of spkrs outside??
1 Answer
Yes there are four conductor in (R +/- and L +/-) input connections and the same on the output side. We do offer feature stereo in and out. Yes you should have no problem controlling a stereo pair. TL/3627
Customer Service - Q&A
on January 20, 2016

Edward P. Kehoe
from Carleton, Michigan asked:
August 4, 2015
This is Edward Kehoe again. I asked a question about the above Outdoor Volume Control QVC100 that I bought on your order Number 227879. You asked me how many amp I was running to the volume control. But you sent it on a do not reply email. I am running a Yamaha RX-V2002 natural sound AV Receiver. It shows that I am running 100 watts to each outdoor speaker and it is about 120 feet from the receiver. I have the specification page scanned, but I have no way to send it to you. If the wires were to be crossed with the speakers disconnected and the receiver turned on, would that effect the OCV? I really want to get this system up and running again, I just want to avoid destroying the OCV. If I need something different, that would be no problem for me. The thing worked perfectly last year.
1 Answer
Hi Edward, You would probably want to run the OVC300 since it can handle more power per channel than the OVC100. As for wiring, I don't believe that would cause any damage to the volume control but do make sure the wiring is correct to get proper sound quality.
Customer Service - Q&A
on August 14, 2015

from NJ asked:
June 2, 2015
I just bought the OVC 100 along with a pair of the rock speakers (thanks). I have an Onkyo Amplifier where the "B" Channel is supplying a single set of patio speakers running to the pool. My goal is to use the OVC100 to control the volume for the new rock speakers and existing Patio (Outrigger Jr. 8 Ohm) simultaneously. . On the output on the OVC, would I just connect two Lefts (one Rock Speaker, one Outrigger) with the Left Output and same approach with the right. I am looking for consistent volume and didn't want to control each set of speakers differently.
1 Answer
Hi Tim, Yes, you would just parallel both speakers on each channel. How many watts per channel does your receiver push out?
Customer Service - Q&A
on June 3, 2015

from Hays, KS asked:
March 18, 2015
We are wanting to add additional speakers for the patio. Was thinking of the OSD-OVC 100 volume control for these speakers. Currently we have a in-wall 4 speaker selector switch. From this it goes to in-wall impedance matching volume controls with these controls also having an on/off switch. The manual on the OSD-OVC says for 4,6, or 8 speakers and you need to select which setting. What I'm wondering, on my existing volume controls, if I turn the switch to off does that mean that I need to change the setting on the OSD-OVC (number of speakers). Also, if I add the patio speakers, that brings me up to 7 sets of speakers. I have found an in-wall speaker selector switch (sorry but it is on a different web site) that allows 7 sets of speakers to be hooked up. Since the OSD-OVC allows multiples of 2 on the speakers allowed, can I use 7? Just can't seem to find an in-wall speaker selector switch that has 8 sets. Thanks Tom
1 Answer
Hi Tom: I am sorry I am a little confused on what products you are using and how they are configured. I can help you if I have a better idea of your total system. What are you using for sources, Amplification, Type of speakers and what is the Speaker Selector and Volume controls you are currently using that you mentioned. A basic connection diagram would help as well. TL/3201
Customer Service - Q&A
on March 26, 2015

from Ft. Worth, Texas asked:
February 13, 2015
When wiring up an AV amp, but using the multi channel setting, would you use rear left and right for a pair of outdoor speakers and wired through one of your OSD-OVC100 sound control boxes?
1 Answer
HI Steve: It depends if your Rear channels are labeled as Surround Channels/Zone 2 output. If you are just connecting to a couple of surround channels in the surround mode they will be limited what ever discrete surround channel which will have limited bandwidth. What AVR Audio Video Receiver are you using, I can look up the owners manual on line and better answer your question? Note: The OVC100 will provide more control over your speakers allowing you to control the volume outside near your speakers. It would allow you to add a second pair of outdoor speakers and control the impedance settings. But that is a mute point if we can not determine your outputs on the AVR. TL/3142
Customer Service - Q&A
on February 13, 2015

Simon Hamel
from Quebec, Canada asked:
August 11, 2014
My setup is the following Onkyo TX-8050 80wpc w/zone A+B Zone A is used in the living room Zone B is used in the dining room. I have installed another pair of speaker for the patio. When I want to use these speakers, I simply swap the connectors on Zone B at the back of the amp. Simple but a bit annoying... I plan to install a speaker selector for controlling where I want to redirect Zone B speakers. Can the OVC100 be installed between the patio speakers and the selector ? How impedance matching on the selector will interract with that on the volume control ?
1 Answer
Hi Simon, This volume control can work in line with a speaker selector but you first want to make sure your amp/receiver can handle the load created by multiple sets of speakers, volume controls and a speaker selector.
Customer Service - Q&A
on August 13, 2014

from Wappingers Falls, NY asked:
July 2, 2014
I am installing 2 sets of Yamaha speakers, 1 set is NS-AW190BL (120 watt peak, 35 watt rms) and 1 set of Yamaha NS-AW390BL (130 watt peak, 40 watt rms). They will be driven by a Yamaha RX-V377BL amp. I want to have a volume control for each set of speakers. Which ones do you recommend and what should the impedance setting for the volume controls be set at? The speakers that I have are 6ohm. Thanks for your help!
1 Answer
Hello Mickey, If you will be running each pair of speakers from a separate zone on your receiver, you can use the OVC305R which is not impedance matching, thus you would not need to switch anything. If you use the OVC300 however, keep the impedance at 1/2x.
Customer Service - Q&A
on July 9, 2014

from Richmond, VA asked:
June 17, 2014
I have a new construction home into which I had wired four outdoor speaker outlets, two each on the back porch and the deck, On the back porch is a volume control enclosure (no switch yet) from which six pairs of wires exit...left and right porch, left and right deck and two inputs. The inputs run back through the walls and terminate behind the wall behind my A/V receiver. Simple, right? What I would like to do is have two volume controls so I can control the volume on the two pairs separately. Can I do that with the wiring as I described? I assume it would be no problem to control all four with one controller, two inputs and then basically "doubling up" the pairs? As you can see from my question, I am a total newb. Thanks in advance!
1 Answer
Hi Jim, I think i understood that correctly, haha! Yes, the OVC300 (not 100) will handle 2 pairs of 8ohm speakers. Just make sure that your amplifier has sufficient wattage to supply 4 speakers without going over the 300 watt limit of the OVC300. Thanks! BM 2759
Customer Service - Q&A
on June 19, 2014

from Martinez, GA asked:
April 12, 2014
I know very little about A/V, so I need some help! We just bought a new house that came with some under-deck Bose 151 speakers mounted about 20 feet apart, with wires from each running separately into the house. We connected them to an old Onkyo TX-901 (45W) receiver and they sound great, but we would like an outdoor volume control for convenience. Is the OVC100 the proper volume control for this application? And does it make a difference whether the volume control is located much closer (say 3-4 feet?) to one speaker than the other, or should it be somewhere closer to the middle? Thanks!
1 Answer
Hi Stu, Yes, the OVC100 would be great for controlling volume in your application. It shouldn't make a noticeable difference if one speaker is further away than the other. This is an impedance matching volume control, which means it's intended for use in applications with multiple pairs of speakers. You can still use this in your application, but an even better option would be the OVC305R, assuming you're just running one pair. Thanks! -BM 2606
Customer Service - Q&A
on April 14, 2014

Robert Tyson
from Bradenton asked:
February 6, 2014
Left side volume control not working output
1 Answer
Hi Robert, Have you swapped the speakers to ensure that the problem doesn't follow the speaker and stays on the same channel? If not, try doing that when you have a chance. If the problem stays with the channel, email our Returns Department and request for a RMA # to send it back for repair/replacement. You can reach them at the email below. Thanks. -BM 2474
Customer Service - Q&A
on March 7, 2014

from Ridgecrest, Ca asked:
June 13, 2013
I am ordering the AP490 patio speakers. Will this control work with these speakers?
1 Answer
Hi Don, The OVC100 outdoor volume control is a great match with our AP490 patio speakers. CL/MA 1975
Customer Service - Q&A
on June 14, 2013

John F
from Freehold, NJ asked:
June 2, 2013
I have 3 sets of outdoor speakers running off of a Phoneix Gold ISM4 splitter. I would like to install volume controls over these 3 locations. 1) If a speaker is rated "4-8 ohms" what setting should that control be. 2) The 2nd set is 8 ohms. What would be that setting, independent of the other two? 3) Not sure what the 3rd set is, probably 4 ohms. I am assuming each selector would be set independent of the others?? Or all 3 must be considered when setting the selectors for the 3 different speakers sets over different lines.
1 Answer
Hi John, You set the impedance in correlation to the number of 8-ohm pairs you are running. Since 4-ohm speakers count as two and based upon two 4-ohm and one 8-ohm, set it at 4x or 8x (depending on what amp you are using). If you are using the PG AMP100 (equal to our AMP120), then set all to 8x. If you are using the PG AMP210 (equal to our AMP200), set all the volume controls to 4x. The protection should be OFF on the ISM4, because the volume controls are doing the impedance matching and you do not want two components trying to match the impedance. We recommend the OVC300 for 4-ohm speakers as it is designed for heavier loads. CL/MA 1939
Customer Service - Q&A
on June 3, 2013

from Sanford, FL asked:
August 23, 2012
What do i set the jumper to if i installing 2 Def Tech AW6500 to a Denon avr-2309IC or possibly one speaker
1 Answer
Hi Anson, I would recommend stepping up to the OVC300. You would set Impedance to 1/2x the lowest setting for your one pair of speakers coming off the Denon receiver at 105 watts per channel. CL 1250
Customer Service - Q&A
on August 23, 2012

from Merrickville, Ontario, Canada asked:
August 16, 2012
I have this volume control about 1ft away from the left speaker, and the right speaker is about 20ft away. The right speaker have virtually no volume at all. I can her it if I put my head right up to it. I swapped speakers left to right and still the right speaker isn't getting any volume (confirming both speakers are good though). If I move change the balance on the amp to all left I get pretty much the same thing (as expected, all sound coming from the left speaker) but if I put it all the way to the right I get nothing. Again, putting my head up to the right speaker I just barely hear it. I have the volume control at the default jumper setting. Would changing it fix the problem?
1 Answer
Hi Steve: It sound like the Volume Control is the culprit.You should also contact us about upgrading to the OVC300. When the Volume Control is open all the way fully clockwise you should have equal output per each speaker. When you start attenuating the signal lowering the volume if the Volume control is rated too low it saturates and tends to distort at low volumes. So a new 300 watt Volume Control might be the ticket. Please contact to discuss your options (tell him Tim sent you). Good luck TL #1237
Customer Service - Q&A
on August 17, 2012

from wynnewood, pa asked:
July 25, 2012
Can any of your outdoor volume controls be used on a 70 Volt system? (instead of 8 ohm)
1 Answer
HI Bill: We do offer dedicated 70Volt mono Volume Controls. The 8 ohm versions do not work for the High impedance systems (25V, 70V or 100V). They are listed under Amplifiers & Electronics/Volume Controls/70V Volume Controls. TL
Customer Service - Q&A
on July 26, 2012

Eric Menesses
from Covington, Louisiana asked:
July 22, 2012
I have (2) Pairs of AP520, (2) OVC100, and (1) AMP120. One pair of speakers goes to the first OVC100 and the second pair of speakers goes to the second OVC100. The outputs from A on the amp go to the first OVC100 and B outputs go to the second OVC100. What do I need to set the volume controls to? Thank you!
1 Answer
Hi Eric: Set the Volume Controls to 1/2X. Use input #2 if only intending to do single source. TL
Customer Service - Q&A
on July 23, 2012

Eric Menesses
from Covington, Louisiana asked:
July 22, 2012
By default, What is the impedance switch set to?
1 Answer
Hi Eric: The default setting is 1/2x. The other two settings are 4x or 8x. What are you trying to do? TL
Customer Service - Q&A
on July 23, 2012

from San Diego asked:
June 10, 2012
I am running wires from my indoor amp to my outdoor jacuzzi. Jacuzzi has built in speakers (similar to boat speakers). When I hook up the wires to speakers, I get no sound. Yet I've verified that the wires are providing good sound by hooking up an indoor speaker. What do I need to make this work right?
1 Answer
Hi Bob: It seems you need to determine if the Jacuzzi speakers are working. Try connecting a short piece of speaker wire to the inputs of the Jacuzzi speakers. Then with a 9 volt battery (the rectangle ones usually found in garage door openers) touch the positive post of the battery to the red wire and then just touch the black wire to the negative post of the battery to see if you get any response out of the speaker. When you touch it briefly you should here a crackling static sound through each speaker you test. Maybe you will find out the speakers just need to be connected internally or there is a switch somewhere. Do you have a model number for your Jacuzzi so we can look up the owners manual? Good luck... TL
Customer Service - Q&A
on June 11, 2012

from Hawaii asked:
February 8, 2012
Does anyone have a picture of the back, I can not believe there is capability to hookup 8 speakers!
1 Answer
Hi Chad, This volume control has a setting for 8 pairs; however, that is on the amp total, not the OVC100. Although the OVC100 is capable of running 2 pairs at max, we do not recommend it for novice installers. In order to run more than one pair, you would have to wire it in parallel. The connections are made with the lead wires that are labeled and come from the bottom. The back of the unit is the outer housing, which is sealed for outdoor use. I hope this helps. CL/ MA
Customer Service - Q&A
on February 9, 2012

from Providence RI asked:
October 20, 2011
Have a place in the wall set to put in a volume control, can this unit be used? Or is it strictly self standing unit to be attached to a conduit?
1 Answer
The SVC100 and OVC100 are identical except the OVC100 includes the outdoor housing that either mounts to a wall or on a conduit pipe. If your in-wall location is in the house go with the SVC100. Or if you need a higher powered unit you can purchase the SVC300. If your inwall location that you want to use is outside, you should still use the SVC100 or SVC300 but we would recommend purchasing an outdoor cover
Customer Service - Q&A
on October 20, 2011

Product Reviews

35 Reviews
74% (26)
23% (8)
3% (1)
0% (0)
0% (0)
94% Recommend this product (33 of 35 responses)
By Rich Calderon
Tucson, AZ
May 10, 2013
Quality Product
Excellant product. Solidly built and performs flawlessly. Was easy to install also. I will continue to purchase OSD products. Attached is a picture of how I installed the box outdoors under my pergola. Only left to do is button up the wiring.
ProsQuality build, and value
By dewayne w coats and associates,llc
front royal,va
March 12, 2013
Still a tight fit!!!
I like this product a lot. It like all other outdoor volume controls I have used, suffer from: the box being too shallow, not enough space to dress cables and difficulty fitting cable inside the box. I would pay extra for a box that is deeper, a two gang box with a single gang reducing ring.
Pros* The attached pigtails * pigtails labeled *
ConsBox too shallow Box too narrow
By Jamie
Wabasha, MN
May 12, 2018
I have two of these now.
One needs to focus to make sure the correct connections are made. Mine are sheltered under overhangs. They needed to be mounted upside down and I used conduit to seal out anything that might fall into the unit. These make it easy to adjust the volume. I crank everything up on the decks when my wife goes into the house.
By Tony
Phoenix, AZ
January 21, 2018
Works great!
Very sturdy and weatherproof outdoor box. Easy to install. Works great for the two speaker that I am running by my pool.
By Chris
Orlando, FL
December 11, 2016
Outdoor Volume Control
Exactly as expected. Works great for my application.
By scott
San Diego, CA
August 31, 2015
Works great
Works great as advertised. I believe this is the 4th one I have purchased
By Simon Hamel
Quebec, Canada
August 11, 2014
Volume control vs Speaker selector
My setup is the following Onkyo TX-8050 80wpc w/zone A+B Zone A is used in the living room Zone B is used in the dining room. I have installed another pair of speaker for the patio. When I want to use these speakers, I simply swap the connectors on Zone B at the back of the amp. Simple but a bit annoying... I plan to install a speaker selector for controlling where I want to redirect Zone B speakers. Can the OVC100 be installed between the patio speakers and the selector ? How impedance matching on the selector will interract with that on the volume control ?
By Fernando
Phoenix, AZ
November 17, 2013
Works great
The volume control works great. The item was shipped on time. Overall great experience.
By Edward P. Kehoe
Carleton, Michigan
October 7, 2013
OSD-OVC100 Outdoor Volume Control with Self-Impedance Matching 100W
It works excellently!! I really like it! I liked that the directions were so clear and in two different places. I liked the way the wires were marked for me. It would have been nice if I could have gotten in in a 4-11/16" x 4-11/16" deep box with removable cover for the connections I needed to make and keep weatherproof also, but I just used another W/P Box almost the same color and made my connections in this. I was replacing an existing volume control.
ProsIt stays nice and cool!
ConsIt could use a bigger or partner box for the connections. I had to "machine" an existing box to make my speaker and amplifier connections. No Biggie with my die grinder!
Best Usesto control my amplifier from my pool, deck.
By Eben
Hemet, CA
September 18, 2013
Works Well
Made & works well! Electrical wires coming out of unit could be a couple of inches longer to help when attaching to your speaker wires inside a junction box.
ConsWires coming out of unit are too short (add 2")
Best Usesvariable outdoor speaker volume control
By Mike Smith
dayton, oh
August 23, 2013
outdoor volume control has been helpful
worked as expected
By Guy
Leesburg, Virginia
July 31, 2013
Great Product
I replace another brand of volume controller for my deck audio system that had failed. The sound quality from the OVC-100 was far superior and I am delighted.
By patrick
Chicago area
July 25, 2013
Worked as advertised
Mounted it on the side of the house so we could have some volume control when outside. speakers will go completely quiet at the last setting. Worked very nicely with the rock speakers, our guests were impressed.
By cavjock22
seabrook texas
June 24, 2013
Looks Good so far
Great packaging.. I havent hooked them up yet but I am excited to hook them up soon...
By Michael
mount pocono pa
June 6, 2013
Great Items
Very nice outdoor volume controls.
By Chris
Enfield, CT
May 14, 2013
Solid Product
This is a well built solid device. Can't wait to install it out near the spa!
By Glenn
Halifax,Nova Scotia
May 7, 2013
Good Value, Easy Install
After having installed the controller, all seems to work just fine! I may have wanted to up the wattyage from 100w to 300w in retrospect, but otherwise I am happy with my purchase.
By earl paasch
Sun City West, AZ
May 6, 2013
worked great
Look good and work well
By David
Monterey, CA
May 5, 2013
Great VC for outdoor locations
Very nice unit with a great design. Could use a little bit more room to stash the wires but wall in all it's a very nice unit.
ProsComes with everything you need to connect to your wiring.
ConsNot a lot of room for the wires and wire nuts
Best UsesOutdoor locations
By Missileman626
Madison, Alabama
January 20, 2013
Great product!
Works great and was simple to install. The white color did fade a bit from being in direct sunlight. It is very durable and has been outside in the elements for about 7 months and still works great.
ProsEasy To Set Up, Easy To Use, Quality Construction
By Gary
Denver, CO
October 1, 2012
High Quality Volume Control
I use this outside to hook up my outdoor spkrs so I do not have to bring my remote outside to control volume. It is attached to a speaker selector connected to Zone 2 of my Sony AVR.
ProsQuality Construction, Easy To Use, Easy To Set Up
By Steve
Gig Harbor, WA
September 3, 2012
Great so far...
We live outside of Seattle WA. where it gets a little damp evey once in awhile and so far the seal has held up and kept everything dry. So far they are doing what they are supposed to do.
ProsSeem Well Build, Low Power Consumption, Easy To Use, Quality Construction
By JWolf
Brigantine, NJ
August 30, 2012
Outdoor Volume Control
It does exactly what it is supposed to do ... adjust the volume at the speaker - that's it. No loss in power or sound quality. Easy to install, just splicing wires.
ProsEasy To Use, Easy To Set Up, Quality Construction
By Kevin
Atlanta GA
August 2, 2012
Great Accesory
Great contoller, price, shipping.
ProsEasy To Use, Easy To Set Up, Low Power Consumption, Quality Construction
Best UsesUpgrade
By Not Barbie's Kin
July 30, 2012
Volume control where you need it outside
This is a great addition to any outdoor wired speaker system. Waterproof with no little or no sound quality loss.Able to run multiple pairs of speakers.
ProsWaterproof, Mounting Options, Low Power Consumption, Easy To Set Up, Quality Construction, Easy To Use
Best UsesOutdoors, Poolside control