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Home / Product Category / Whole House Audio / Speaker Selectors / AB-1.2 Inwall Decora A/B Speaker Selector Switch

AB-1.2 Inwall Decora A/B Speaker Selector Switch

Product code: OSD-AB12

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OSD Price: $19.99
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Features & Specifications

The unit lets you switch between two amplifiers and 1 pair of speakers or 2 pairs of speakers and 1 amplifier with just a push of a button. It is compatible with any speaker and/or volume control combination.
100-watt power handling
Please select color for face plate (white, almond or ivory)



  View Owner's Manual          


15 Questions & 18 Answers
Gene Tilley
from Kingston Tennessee asked:
February 11, 2019
I have a 110 watt per channel amp and will have two sets of 8 ohm speakers. Total of 4 speakers to run the two stereo zones. Wiring will be 14 gauge copper. Will this switch work?
1 Answer
Hi Gene: Are you looking for an A and B switch so you will be listening to either Speaker A or Speaker B buy never at the same time? If so then the switch should do the trick. If you are looking for a little more flexibility, you should check out the SSVC2. It will allow you to play either A or B or both at the same time. It also features an Impedance matching Volume Contol for each speaker. It also features Dual input so you can play a different source for each at the same time. Speaker A could be playing Source A, and Speaker B could be playing Source B. Just a thought TL/5404
Submitted by: Tim Leahy on February 15, 2019

Randy Scott
from California asked:
January 9, 2018
Hello, I have been trying to find an A / B speaker switch to match the diagram attached for you. Can you please tell me where I can get a switch to serve this purpose ?
1 Answer
Hi Randy: Technically you are trying to run two sources but four zones. The Speaker Selector for your application is our SSVC4 Dual Source (switchable per zone). Source A would be your Front channel output and Source B would be for your rear channel outputs. Zone 1 and Zone 3 would be for Front channels and Zone 2 and Zone 4 would be for the Rear channels. So Zone 1 and 2 would be room #1 with Front and Rear speakers a pair for each. Zone 3 (Front) and Zone 4 (Rear) would be for room #2. You would also have an internal impedance matching volume control connected to each zone to provide the protection for your amplifier plus allows you to adjust the volume levels for each zone.That would handle your application and more. Good luck TL4738
Submitted by: Customer Service - Q&A on January 15, 2018

ben-Nabiy Derush
from Hiddenite, NC asked:
April 23, 2017
Will this item work in the case of 70v amps? I have two different 70v amps which I would like to switch between for feeding the audio for a set of zones. Will this work for that?
1 Answer
Hi Ben: This is just a pass through switch unlike our SVC-405 which is an impedance matching Volume Control with A/B switch switch. I think it would work. You would hook Amp 1 to A connecting to Right Positive and negative (common) and adding a jumper to Left Positive from right positive and a jumper to the left negative from the right negative. This will give you two zone on the output side, zone 1 would be right positive and negative and zone 2 would be left positive and negative. Add the amp 2 to the B input the same as you did amp. Of course the speakers you choose must be be 70V and the total power of the speakers connected in both zone 1 and zone 2 must not exceed 80% of the listed power on either one of your two 70V amps. If you wanted additional control you could add one of our MVC 70V Mono Volume Controls to each of the two zones. They come in 25, 50 and 100 watt versions. Let me know if this will work for you; or if you need a diagram? TL/4323
Submitted by: Customer Service - Q&A on May 8, 2017

from Toronto asked:
October 22, 2016
The 100w max handling, is it per speaker or per zone?
1 Answer
Hi Brian: It would be per speaker, remember this is an A or B switch so only one speaker would be playing at a time so each could be rated at 100 Watts. TL/4102
Submitted by: Customer Service - Q&A on October 25, 2016

from Greenville Texas asked:
April 12, 2016
I have a PA system that has two intercom speakers and I need to switch from one speaker to the other. Would this switch work for that?
1 Answer
Hi Joey: Yes this should work for your application, just make sure you pick either the right or the left speaker only on both the input and output since you have just a two wire Mono connection (+/-). The switch has a 4 conductor stereo connection and you will only want to use two of the four connections. Good luck TL/3812
Submitted by: Customer Service - Q&A on April 12, 2016

from Chicago, IL asked:
April 2, 2014
I have 3 sets of outdoor speakers with volume controls. I control my amp from my phone while I'm outside and done't have need for the volume controls. Can this switch act as an on/off? Do you offer one?
1 Answer
Hi Tommy, The A/B selector switch would not work as it only switches the source or speakers instead cutting off the current. We do have the SVC205, which is a volume control with an on/off switch. CS 2589
Submitted by: Customer Service - Q&A on April 2, 2014

from Denver asked:
January 24, 2014
Can I put this before my 8 speaker distribution panel. I want to use it to toggle between my upstairs and downstairs receivers. Right now I run all the house speakers just off my upstairs receiver?
1 Answer
Hi Brett, It's not recommended. Having two amps running to a full, whole-house audio system is just to risky when switching between the amps. It does depend on the type of amps, i.e., what kind of loads they can handle and whether or not they have a standby mode, but it would be risky. It may be a better idea to run a dual source speaker selector with impedance matching instead. Check out our DSM4 or SSVC2. -BM 2457
Submitted by: Customer Service - Q&A on March 10, 2014

from Chicago, Illinois asked:
November 29, 2013
I want to mount a speaker switch outside. Is there a box that would cover this to make it weather proof, or is there another switch that is weather proof?
1 Answer
Hi Bradley, That's a great question! Yes. We do sell a weather-proof box to protect volume controls. See link below: Let us know if there's anything else we can assist you with. Thanks! -BM 2362
Submitted by: Customer Service - Q&A on November 29, 2013

Kevin Elliott
from Biloxi. Ms asked:
February 21, 2013
I want to switch from indoor speakers to outdoor speakers from same stereo receiver, will the A/B selector switch work in this application.
1 Answer
Hi Kevin, Assuming the speakers are 8 ohms impedance, the AB-1.2 in-wall speaker selector should be fine for your application. CL/MA 1646
Submitted by: Customer Service - Q&A on February 25, 2013

from Maryland asked:
December 8, 2012
Can I use this switch between an AMP 120 amplifier and two SVC 205 volume controls (with on/off switch). I want to select between a pair of indoor speakers and 2 pairs of outdoor speakers. Thanks
1 Answer
HI Ruben, You can connect one SVC205 (to the internal speakers) to Speaker A of the AMP120 and connect a second SVC205 (to the 2 pair of outdoor speakers) to Speaker B. Here's how the A/B switches work on the AMP120: when you press A, the B switch pops out; when you press B, the A switch pops out. It is designed this way because people typically play only one set of speakers at a time either A or B. Therefore, it would work the same way as the AB-1.2. You would set the impedance matching setting for each SVC205 to 2X. TL/MA 1453
Submitted by: Customer Service - Q&A on December 10, 2012

from Miami, Florida asked:
July 29, 2012
Cannot see from pic and does not say in description: is this a pushbutton or a rocker switch?
1 Answer
John, This would be a push button. CL
Submitted by: Customer Service - Q&A on July 30, 2012

from ny asked:
February 21, 2012
Hello, I want to add a set of speakers to each of my a & b stereo outputs. Only using 2 pairs of the 4 pairs at a time. Can I do this?
3 Answers
Roy, Yeah this A/B switch would be ideal for that. CL
Submitted by: Customer Service - Q&A on February 21, 2012
Roy, Yeah this A/B switch would be ideal for that. CL
Submitted by: Customer Service - Q&A on February 21, 2012
Roy, Yeah this A/B switch would be ideal for that. CL
Submitted by: Customer Service - Q&A on February 21, 2012

from Stratford, Ct asked:
February 10, 2012
I have the SSV C6 switcher w/volume control. Have now added pair of speakers outside. Can I use AB switch off of selector output, and connect new speaker pair and pair I removed from selector to AB switch.
1 Answer
Marc, Yes you can do that. It would be perfect for that. CL
Submitted by: Customer Service - Q&A on February 10, 2012

from La Habra CA. asked:
December 28, 2011
I want to use it with one Amp. Can it not only switch between the A/B sets of speakers but can it play all four at once?
2 Answers
Dear Jerry, This switch wouldnt allow you to select all at once time, its either or. CL
Submitted by: Customer Service - Q&A on December 28, 2011
Hi Jerry: Another option to consider is connecting the two pair of speakers with a Impedance Matching Volume Control wiring the speakers in Parallel. You can play both speakers at the same time but will not be able switch between them. The Impedance Matching Volume Control will make sure that the Amplifier sees an acceptable load while allowing you to control the volume from the remote location. It also costs the same as the A/B switch. TL
Submitted by: Customer Service - Q&A on December 29, 2011

from corona,ca asked:
November 30, 2011
I want to use ab1.2 inwall a/b speaker selector switch. it states that Switch between 2 amplifiers and 1 pair of speakers or 2 pairs of speakers and 1 amplifier I want to use it with 2 amps and 1 pair of speakers. Have you ever had any complaints of cross talk from the 2 amps?
1 Answer
Hi Mark: The switch provides excellent isolation. We have had no negative feedback. The last 100 sold, only one had been returned. TL
Submitted by: Customer Service - Q&A on November 30, 2011

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