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SKU: OSD-SVC205 SVC205 In-Wall Impedance Matching Volume Control with On/Off Switch


Purchase SVC205 In-Wall Impedance Matching Volume Control with On/Off Switch
  • SKU: OSD-SVC205 impedance-matching-volume-control-with-on-off-switch

    SVC205 In-Wall Impedance Matching Volume Control with On/Off Switch

  • $39.99

    Compare at: $59.99 You Save $20.00

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The OSD Audio SVC205 is a self-impedance matching in-wall volume controller with an on/off switch. Volume controls do not add gain (volume) to your speakers; they simply attenuate the volume up or down. During setup, you'll set the source volume to its optimum level, then the volume control turns the sound down to almost inaudible levels. The SVC205 is unique in that it let's you turn sound off completely. 

Features
  • Control volume from any room
  • Low distortion and ruler flat frequency response
  • All installation materials included
  • Front-mounted setting switch and on/off switch
What Is Impedance Protection?
Speakers are specified by impedance, which is a measurement of resistance to alternating current, and a common value for speakers is 8 ohms. When you're connecting multiple speakers to a receiver or amplifier, you need to stay above the amp's minimum load requirements because going below the impedance rating can overheat or even damage expensive equipment. The SVC allows you to match the impedance with the number of speakers being controlled with the capabilities of your amp. A basic multi-room system will typically have an amplifier/receiver, a speaker selector, four to eight pairs of speakers, and volume controls. Impedance-matching volume controls feature three settings depending on how many speakers you are connecting. For one to two pairs of 8-ohm speakers, the setting is 1/2x; for three or four pairs of 8 ohm speakers, the setting is 4X. Keep in mind that volume controls do not add gain (volume) to your speakers but simply attenuate the volume up or down. During setup, you'll set the source volume to its optimum level, then the volume control turns the sound down to inaudible levels.
Warning: California's Proposition 65

Warning:

WARNING: This product can expose you to chemicals, including vinyl chloride, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

  • Volume Control Type: 300W Impedance Matching Knob Style w/ On/Off Switch
  • Power Handling: 300W Peak; 100W RMS Per Channel
  • Frequency Response: 20Hz - 20kHz
  • Total Attenuation: 42 dB (Max)
  • Steps: 12 (Make Before Break)
  • Impedance Matching for 1/2, 4, 6, or 8 Pairs of Speakers
  • *Can be Used as Non-Impedance Matching if Leaving Default on Jumper Setting at 2X
  • Impedance Matching Volume Controller with On/Off Switch
  • Wiring Requirement: Up to 14 Gauge Wire
  • Removable Input and Output "Quick Connect" Phoenix Connectors
  • Fits in a Standard Single Gang Box - See LV1 for Mounting Bracket
  • Unit Dimensions: (L x H x D) 1.62" x 2.5" x 2.5"
  • Warranty: 5 Years
29 Questions asked
Have a Questions?

What's on your mind?


Kyle • 12/17/2019, 2:17:43 PM Hello, I was wondering how the impedance matching function works. It looks like it is just a limit switch that stops the volume from being able to be turned all the way up. Is that effective in protecting my amp in a setup where I have 8 sets of speakers running in parallel?
Customer Service • 12/17/2019, 2:17:43 PM
Hi Kyle: There are other factors to take into consideration. We do not recommend connecting a 8 zone Speaker Selector to a second zone output from a AV Receiver. Most AVR manufacturers recommend only connecting a single pair of speakers to a zone 2 output (speaker level, using internal amplifier). But we recommend utilizing at a minimum a High Current Amplifier like our AMP 200.Then a speaker selector is used to organize the single output connection to up to eight parallel stereo connections (up to eight zones).Most speaker selectors include some form of protection as well but this is not used when utilizing Impedance Matching Volume Controls to do the heavy lifting (impedance matching/protection). You do have the ability to turn each zone off when not in use. Note most Impedance Matching Volume Controls to not turn off simply by turning the sound down to in-audible level. In those cases the signal is still live at the VC, just diverted into the Transformer. That is why the VC-105 is unique, it features a true on/off switch allowing you to turn thwe zone on/off locally. It depends on your application, are you planning on playing all zones all the time like in a restaurant or this your whole house audio setup where other than parties you would play selected zones? Yes there is some limitation to the output when all Volume Controls are set to 8X versus 4X. If you purchase one of our High Current Amplifiers you can get away with the lower setting on the Impedance Matching Volume Controls especially if you are not listening to all zones at once and have the ability to turn the zone off when not being used. Good luck TL/4068
Ken • 12/17/2019, 2:17:43 PM Looking for an in wall volume control that's weather proof (outdoor use). Is this it? ,
Customer Service • 12/17/2019, 2:17:43 PM
Hi Ken: The SVC 205 can not be mounted in an outside wall unless you add the special housing made to protect the Volume Control from the elements: Here is the link on our site; AL-DBPV1C Waterproof Box to Install In-wall Volume Control Outdoors Product code: AL-DBPV1Cousing Good Luck TL/4426
Marion • 12/17/2019, 2:17:43 PM I have an ATON DLA4 zone system with 2 or 4 speakers in a zone, the touch pads installed are not working, will this volume control with on/off switch work with my system? Does it have an IR receiver built in?I attached picture of what is presently installed. Anyone know what I can use that will work?
Customer Service • 12/17/2019, 2:17:43 PM
Hi Marion:The SVC205 features an on/off rocker switch on the front panel. It has no built-in IR. Our factory featured a VC with built-in IR, but we never brought it in since the demand was dropping off. I believe the equipment you have is older and hard to replace. We are introducing a Six Zone, Six Source multi-controller with Optional key Pad controllers (connected by Cat5), but the unit will feature an App that will allow you to duplicate the control pads. So you can use your phone or add the physical control pads and control manually in each room or use the app. That will be here by the end of the year. Other companies offer built-in IR Receivers, check out AMAZON.TL/5688
Jake • 09/01/2021, 8:34:47 PM 2 Channel Class D Amp connected to a speaker selector with 3 sets of speakers connected 6 speakers total. I set this at 8X correct? Thanks!
Customer Service • 09/02/2021, 8:44:08 PM
Hi Jake: I am assuming you have three pairs of 8-ohm speakers. Are you using a single SVC205 before the speaker selector or three SVC205, one for each zone/pair of speakers? I believe the setting either way would be 4X. The Impedance number corresponds to the number of pairs of 8-ohm speakers you have connected in parallel. You have three pairs, so you go up to 4X on one or all, depending on how many you have. TimL