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Home / Product Category / Cables & Accessories / Audio Video Wall Plates / SPW-8 Eight Zone Speaker Distribution Panel

SPW-8 Eight Zone Speaker Distribution Panel

Product code: OSD-SPW8

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Features & Specifications

The SPW-8 is a stereo (two channel), one input, eight output, broad frequency response, volume control distribution hub. It provides a simple solution in complex speaker installations providing an easy way to connect from two to eight volume controls and pairs of stereo speakers to a single stereo receiver/amplifier. All outputs are labeled easing both connection and troubleshooting of a system

Specifications

Other Product Info

The SPW-8 is a stereo (two channel), one input, eight output, broad frequency response, volume control distribution hub. It provides a simple solution in complex speaker installations providing an easy way to connect from two to eight volume controls and pairs of stereo speakers to a single stereo receiver/amplifier. All outputs are labeled easing both connection and troubleshooting of a system

OWNER'S MANUAL

  View Owner's Manual          

QUESTIONS & ANSWERS

19 Questions & 20 Answers
Bryan
from New York asked:
May 25, 2017
I have a 95 Watt Onkyo stereo that has speaker system A and B. A goes to my indoor speakers B goes to my outdoor speakers and my Family room. My goal is to be able to use this device to lessen the draw on the Tuner amp plus distribute the sound evenly. I think this device would take the single output B and allow me to add up to 8 different zones of speakers with individually controlled volumes. The way my system is now every pair of speakers that is added shares the power with the other speakers and is jeopardizing the amp. am I correct in thinking this will resolve the issue?
1 Answers
Hi Bryan: First, which ONKYO Receiver are you referring to, is it a stereo receiver or a Audio Video Receiver you are using just for stereo? What is model number? When you have connected a pair of speakers to A and a to B as well they should split power evenly if they are exactly the same speakers. Otherwise if they have different impedance (one maybe 8 ohm the other 6 or even 4 ohm). The sensitivity might be different as well (one may be 89 dB and the other 91 dB as an example. In this case the 91 will be more efficient and less power hungry). Power Handling maybe different as well. The SPW-8 is patch bay that ties all the speakers connected in parallel. It does not have any internal protection circuitry so that is why we recommend each and every pair of speakers attached utilize an impedance matching Volume Control. This way the Volume Controls do the impedance matching based upon the number of speakers and the impedance setting selected for all the volume controls being utilized. There are three settings, 1/2X for 1 to 2 pair of speakers; 4X for 3 to 4 pairs and 8X for 5 to 8 pairs connected. All Volume Controls will be set to the same setting. Typically we recommend just using one of the two outputs (either A or B) of the Receiver and connecting a speaker selector like our ISS8 or DSM8 if you are planning to use Volume Controls. Or use the TSM8 where the speaker selector features an internal Protection circuit that is selectable based upon the number of speakers connected. With an 4 or 8 ohm system it is imperative that you control the impedance that the Receiver sees so it operates in a safe operating range. It also depends on which ONKYO Receiver you have to better answer your question. Most of the time people are trying to drive multiple zones off of their Audio Video Receiver's Zone 2 output connecting a speaker selector to the speaker level output in lieu of a pair of surround speakers (usually channel 6 and 7 of the 7.2 ). But this output is only available for a single pair of speakers. For multiple speakers there is a pre amp output that you connect to a external power amplifier like our AMP200. These comes after the Receiver and before the speaker selector and volume controls. There are options for a speaker selector with built in Impedance Matching Volume Controls as well. So please let me know as much about what you are trying to accomplish, What equipment do you have or what are you looking at. tim@osdaudio.com. Make sure to include Brand and model numbers. TL/4385
Customer Service - Q&A
on May 26, 2017

William
from Atoka, TN asked:
April 25, 2017
What is the purpose of this? I noticed that since I have switched out my controls, my radio is shutting off telling me check speaker wires. From what I can tell (old house, new house to us with system already installed), it looks like speaker wire coming from radio goes to one control and then on to all the other speakers. Trying to determine how to handle my problem.
1 Answers
Hi William: Your application raises questions; 1) How many zones/rooms? 2) Are there volume controls in each zone/room? 3) What source are you using, Receiver. Speaker Selector etc. What components do you have Brand and model number? 4) Has the system worked for you at all? 5) Have you tested each zone/room one at a time? 6) What do you mean Radio to control, what is the control? My email: tim@osdaudio.com TL/4327
Customer Service - Q&A
on May 8, 2017

David
from Arcadia FL asked:
December 31, 2016
What gauge is the internal wiring?
1 Answers
Hi David: I am assuming 16 gauge is standard internally but I will verify with our factory. TL
Customer Service - Q&A
on January 12, 2017

Anna
from Indiana, PA asked:
September 6, 2016
Can this be used in place of a stereo receiver to connect speakers to TV or you still need the receiver?
1 Answers
Hi Anna: The SPW8 is a one stereo input to 8 stereo outputs patch bay. It would not work for your application. There are a couple of ways to connect to your TV. One is directly to the speaker outputs depending on your TV. It typically has a pair of female RCA outputs labeled as R (right) and L (left). This would connect to an amplifier using a stereo patch cord. And depending on the TV you might have a choice of fixed or variable output. Another way is to connect to the stereo output of your cable or Satellite set top box. Maybe it would be better if you tell me more about your setup, what TV you have, Cable or satellite provider (even an image of the back of the box and TV) would help. You can contact me at tim@osdaudio.com with as much information that you have and I can better answer your question. TL/4052
Customer Service - Q&A
on September 8, 2016

ben-Nabiy
from Hiddenite, NC asked:
August 11, 2016
Is this able to work with a 70v system? I am running a 2 channel (stereo) 70 V system with appropriate transformers at the speakers... Could I use this pre- volume control to distribute the signal to all my zones, or is this better post volume control? Thank you!
1 Answers
Hi Ben-Nabiy The SPW-8 should work fine for your application especially 70V stereo. The SPW8 is a patch bay the takes a single input and splits up to 8 zones wired in parallel. Put it in Pre-Volume Controls. TL/4023
Customer Service - Q&A
on August 15, 2016

Philip
from Islip, ny asked:
July 6, 2016
I have a Speakercraft BB2125 high current amplifier driving a pair of AP850's, an RS850TT, a pair of AP670 and a pair of Speakcraft Rox 820 (the weakest link and soon to be replaced). I have each of these 4 zones controlled with OVC-100 controller. What impedance setting should I set the amplifier to, the 4 or 8 ohm setting? Do you think I could add one more pair of speakers?
1 Answers
Hi Phillip: You should have the Impedance setting on the OVC-100 at 4X and the Power Amplifier at 4 ohm. Are you using a/our speaker selector (like the DSM4)? You could add a second pair of Speakers to any one of the other pairs and keep the Impedance Setting to 4 ohms and 4X on all of the OVC-100. I would be more comfortable if you had a OVC-300 (versus the OVC-100) to run both the two pair of speakers off the one Volume Control. Our RS 850's would be a good replacement for the ROX820 (which are good speakers) Good Luck TL/3969
Customer Service - Q&A
on July 7, 2016

Just Wondering
from NJ asked:
April 7, 2016
Can I put 25 volts in the input and it split it to the 8 outputs?
1 Answers
Hi Just Wandering I believe as long as you have a 25V signal and transformers on all your speakers you will be connecting, you should be able to use it for your application. The SPW-8 features a Stereo input with 8 Stereo zone outputs.I am thinking you will be able to split your input signal and connect one to right and the other to the left. Then technically you will have 18 total mono outputs. The box is really a glorified patch bay with no protection circuit in line. That is why we recommend you use Impedance matching Volume Controls when running 4 or 8 ohm. Good Luck TL/3803
Customer Service - Q&A
on April 7, 2016

Quincy
from Houma, LA asked:
March 20, 2016
I bought this connecting block to run multiple speakers. I have a separate receiver that I will run for my zone 2 audio. The receiver is a Pioneer VSX-530 5.1, 140W X 5 @ 6OHMS. THE problem I'm having with this hub is, when I connect my speakers to the L/R output, music play out of the left speaker but doesn't come out of the right speaker. It appears to be something with the right side of this connecting block. Can anyone help me. I went through a thorough troubleshooting process and still can't get both speakers to play together with this connecting block.
1 Answers
HI Quincy: What Receiver are you connecting the Pioneer VSX-530 to the ZONE 2 Pre amp output? How many zones did you connect for the SPW8? Did you test the right and left output of the receiver directly to a pair of speakers to confirm both right and left work? Are you using Volume Controls for each pair of speakers you connect to the SPW-8 as we suggest you do when using this with multiple speakers? Did you try switching the left and right input to see if the right speakers play the left channels and maybe the left channels don't play. That is another way of seeing if you have a bad channel from the Receiver. Or you may have too many pairs of speakers with no speaker protection. Please let us know what you find out. TL/3766
Customer Service - Q&A
on March 22, 2016

James
from Charlotte, NC asked:
May 12, 2015
Does this unit divide the wattage evenly across all active zones, or all zones? I'm going to use a secondary receiver to this unit, then from here go to two different OCV305Rs One of those (porch) will go on to two PS525 speakers the other (Garden) will go to 2 pair of RX550 Rock speakers So, question being, if I use this, will it divide the available power evenly between the two zones in use, or will each zone only get 1/8th the total available power?
1 Answers
Hello James, Yes - the power going through this device will be split evenly amongst all outputs, but of course if the speakers vary on each output, you may have different volume levels. This unit is out-of-stock at the moment and we are expecting more in late June or early July. You can also use the ISS8.
Customer Service - Q&A
on May 15, 2015

Debbie
from Oshkosh, WI asked:
April 8, 2015
Any idea when you will have this item back in stock? Thank you, Debbie~
1 Answers
Hi Debbie, I believe we should have this item available again sometime in May or June. If you are in a rush, we do have our ISS8 speaker selector which is fairly similar, albeit with impedance protection and on/off capability for each zone.
Customer Service - Q&A
on April 15, 2015

JFM
from Columbia, MD asked:
February 3, 2015
If I were to use a set of relays to control the device rather than volume controls (zero resistance or infinite resistance) would that work or is there a need for specific pull up/pull down on the control lines. If there is a specific control need, would you post it if possible?
1 Answers
Hi JFM: All I know is that unit we stock this unit for specific applications involving connecting up to eight pairs of speakers to a single output from our Power Amplifiers we sell. It is setup to connect all the wires in parallel which creates a problem when connecting to an Amplifier that wants to see a 4 to 8 ohm load so it can work in a safe operating level. That is why we can not stress enough the need to use Impedance Matching Volume Controls to protect the Amplifier. I am not familiar enough with how the relays would work in this application. Maybe it would help you described what you are trying to accomplish. What is your application, what are you connecting the input and outputs to... Hopefully that helps TL/3127
Customer Service - Q&A
on February 5, 2015

Chuck
from Texas asked:
March 18, 2014
I'd like to reverse the mode. Instead of one input going to several speakers, I would like to set this up so that input from any one of three (don't need eight) amplifier locations goes to one set of speakers (so one set of speakers is connected to what is called the input, and the terminals designed for output to the speakers are the inputs from the amp) . Of course the amp would only be plugged in at one location at a time, I just want the option to move the amp around to another location in the room from time to time. Will that work?
1 Answers
Hi Chuck, That is an interesting idea to use our product, but it would not be possible with the SPW-8. However, it would be possible with either our AB-1.2 inwall A/B switch or the ATM-7 speaker selector. With the A/B switch you are able to do 2 sources to 1 set of speakers or vice versa. With the ATM-7 you would be able to do 1 source to 7 sets of speakers or vice versa. Hope that helps. CS 2546
Customer Service - Q&A
on March 20, 2014

Richard
from Maine asked:
March 11, 2013
If you are going to buy a speaker switcher and leave all switches on. For less money would the SPW-8 do the same job?
1 Answers
Hi Richard, All speaker selectors and the SPW-8 help organize your wiring. The difference is in the features. There is no protection available or impedance matching in the SPW-8, which is why you need to use impedance-matching volume controls to make sure that the amplifier sees a load it can handle. We recommend using impedance-matching volume controls for our ISS and DSM speaker selectors to handle the protection. In fact, when the impedance-matching volume controls are used with the speaker selector, we recommend disabling the internal protection of the respective speaker selector. TL/MA #1692
Customer Service - Q&A
on March 11, 2013

Dan
from CT asked:
December 12, 2012
I have a 4 speaker selector switch now with 4 speaker pairs, but am looking to add one more pair of speakers. So either going with the connector block or the 6 speaker pair selector switch. I already am using your impedence matching vol controls on all speaker pairs. If I go with the connector block I remove the power loss associated with the selector switch protection. If I go with the selector switch I have the ability to totally shutdown speakers not in use (although with vol control turned down there is no noise). Am I gaining any protection for the amp with the selector switch setup that I do not have with the impedence matching vol control?
1 Answers
Hi Dan, When you are using Impedance Matching Volume Controls along with a Speaker Selector like our ISS6 or DSM6, the rule of thumb is to let the Volume Controls do all the protection while making sure that the protection switch (on the front of the ISS6 and on the back of the DSM6) is in the off position (out/disabled). This way, you avoid the additional load from running the signal through the internal resistors on the Speaker Selector and power loss. It's just like going through the SPW8 but you have the on/off switches of the selector box. The ISS6 now features the more effective removable input/output connectors. I hope that answers your question. TL/MA - 1461
Customer Service - Q&A
on December 13, 2012

Mark
from Livermore, CA asked:
December 7, 2012
Does anyone know if the SPW-8 speaker distribution "panel" will attach (easily and w/o special modifications) to an On-Q HT1000 home entertainment connection center? There's a blank plate on the HT1000 that seems like would be a good spot for the SPW-8. See attached picture of HT1000. Thanks, Mark
1 Answers
Hi Mark: Here are the dimensions of the SPW-8. Dimensions: L 3.40 in. x W 1.70 in. x H 7.00 in. Note: it would not work for Home Theater connection being one input to 8 outputs (versus 5 or 7 channel inputs of a 5.1 or 7.1 system you would need). If you are looking for 2 channel distribution for your house, you need to use an impedance-matching volume control in each zone. The block has no protection circuitry. I hope that helps. TL/MA 1449
Customer Service - Q&A
on December 10, 2012

john
from new england asked:
August 28, 2012
If I only have 2 (or 4) pairs of speakers hooked up instead of 8, does the delivered wattage decrease by the number of pairs (or by the 8 pair split always). Thanks
1 Answers
Hi John, The key to the SPW-8 is the amplifier/receiver you’re using to drive the speakers. The capability an amplifier/receiver has a lot to do with power distribution and setup of the impedance-matching volume controls needed in the overall system. The SPW-8 organizes the wiring like a speaker selector, minus the on/off switches and any internal protection. It ties all your speakers together in parallel. The optimum power amplifiers we recommend are the AMP200 or AMP300, both true high current amplifiers. The ideal volume controls would be our SVC300 or OVC300 (outdoor version). TL/MA 1258
Customer Service - Q&A
on August 29, 2012

Harry
from Lincolnshire, UK asked:
April 10, 2012
What does "Must be used with impedance matching volume controls" mean? I have a normal amp (W-Audio DA300 https://www.decks.co.uk/products/WAudio/DA300) will this distribution panel still work? Thanks
1 Answers
HI Harry: This is a simple patch bay that features a single four conductor stereo input (Right and Left, +/-) with 8 stereo outputs wired internally in Parallel. It provides no protection so if you connect two of the 8 zone outputs it drops the impedance of the two pair of 8 ohm speakers to 4 ohm. As you add additional speakers the impedance continues to drop below the safe operating zone of most amplifiers. If the amplifier you are using is a High Current Amp that has a true 2 ohm rating then you could drive up to three of the zones. Our OSD Branded AMP200 and AMP300 could accomplish this with no problem. The OSD speaker selectors which feature the same parallel wiring configuration as the SPW8 (while adding on/off buttons per zone) offer internal protection (switchable). The protection cuts the power of the amplifier to the speakers when in use. Note when adding Impedance Matching Volume Controls to a speaker selector we recommend defeating the internal protection. In order for the SPW8 which has no internal protection option to work with a Standard 8 ohm amplifier and more than two zones connected, we recommend you add the Impedance Matching Volume Control for each zone which protects the amplifier from seeing less than a 4 ohm load. There is a impedance switch on each of the Volume Controls... 1 to 2 zones setting would be 1/2X, 3 to 4 zones setting would be 4X and 5 to 8 zones connected each Volume Control would be set to 8X. I hope this helps. TL
Customer Service - Q&A
on April 10, 2012

Maxime
from Canada asked:
December 6, 2011
hi, can it be used with a 70V power line ? Thanks
1 Answers
Hi Maxime, In theory, you should be able to use a 70 Volt connection using just either the left channel or right channel, only without Volume controls. TL/MA
Customer Service - Q&A
on December 6, 2011

james
from seattle asked:
November 23, 2011
Must be used with impedance matching volume controls? What is the impedance of this? I do not see it in description.
2 Answers
James, It should be used with an impedance matching Volume control only, the impedance would be 8 ohms. -CL
Customer Service - Q&A
on November 23, 2011
The impedance is 8 Ohm when you make sure to set the impedance switch on the volume controls to the proper setting, 1 to 2 zones; 2x. 3 to 4 zones set to 4X and 5 to 8 zones set to 8X on each of the individual volume controls. There is no protection in the SPW8 that is why we specify using Impedance Matching volume controls like our OSD SVC100 or OVC10 for outdoor use. TL
Customer Service - Q&A
on November 25, 2011

Product Reviews

4.9
7 Reviews
5
86% (6)
4
14% (1)
3
0% (0)
2
0% (0)
1
0% (0)
71% Recommend this product (5 of 7 responses)
By Gus Suarez
United States
September 16, 2013
Great Product
Works as published. Great product.
By iTunes Stereoman
Aiken, SC
January 10, 2013
Works Perfectly
Connects 5 speaker pairs to one receiver without the tangle at the back of the receiver.
ProsEasy To Set Up, Easy To Use
Best UsesNew installation
By paulstikibar
canyon lake california
June 8, 2012
you dont have to pay a lot of money
This product was a great value at a good price. good sound quality overall find speaker.
ProsGreat value, Easy To Use
Best UsesUpgrade
By Macgyver
Toronto , ontario
March 16, 2012
WORKS GREAT
This device works great. Installation was a breeze and had no troubles other than the mounting push pins and rings did not work with my housing holes. Just had to drill two holes and screw it in. Would recommend using the proper size of screwdriver for the wire connectors.
ProsEasy To Set Up, Easy To Use, Quality Construction
By Ray the New Product Development Engineer
Milwaukee, WI
February 8, 2012
Best Bang For The Bucl
I bought a home with a built in speaker system on the ceiling. I made the mistake of attaching all 8 speakers to the two connectors in the back of my amplifier, and now my stereo doesn't work. That's when I learned about a distribution panel. The one featured here is less than half the price of anything you can find on-line (Boson Acoustics and Niles sell for about $90). It works as expected. The sound coming from the ceiling of my living room, dining room, kitchen, and all four bathrooms is very clear and strong even when all of them are playing at the same time. The best part is my amplifier doesn't blow up. The only thing I would improve about the design is that 16 gauge speaker wires are too big for the connectors. But then none of the competitive products offer anything better alternatives. This place beats Crutchfield's prices by half.
ProsEasy To Use, Low Power Consumption
ConsHard To Set Up
By Eman
Nine Mile Falls, WA.
December 30, 2011
I will buy this product again
I just installed 8 zones of background music in my new custom home and this product works perfectly. I also purchased the ACE 400 Trimless Speakers and the VMS100 Decora Volume Controls and the system is great.
ProsEasy To Setup, Easy To Use, Quality Construction
ConsNone
Best UsesHome
By Happy Feet
CA
January 18, 2010
This is a great distro ...
This is a great distro hub for a structured media cabinet. My multi room amp on my receiver plugs into the source and the speakers throughout my home are wired back into this unit. Small form factor, easy to use, and a great price! Thanks OSD!