Can the Amp and Connect be told to output mono rather than stereo? Using with mono ceiling speakers in bathroom and kitchen.

  • 16 November 2012
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People have been asking for this since the very first ZP100 and there has never been a hint that mono output is coming. Given this, my advice about reading up on a little thing called a single point stereo speaker still applies.
Seems strange that Sonos can do mono for play 1, One and 3 speakers but can't push it to the Connect and Amp lines too.

If I was the Community manager I'd ask someone at the next staff meeting about that.

Of course after a few questions like that I'd probably be as unwelcome at Sonos meetings as I was at my old job.


I imagine they don't allow it because installers would be using a single Connect:Amp with mono speakers to cover four rooms, instead of using two Connect:Amps. Sonos has never made it easy to cut corners, for instance, there have never been headphone jacks on units lower in price than the Connect.
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I ended up using a Sonos Connect (not Amp) and a separate Pyle PA amp for my back yard. Not nearly as convenient as having a single device, but the Pyle amp takes a stereo input and outputs only mono and has lots of options for speaker impedance. I set the volume on the amp to the loudest I would ever want in my back yard and control the volume through the Sonos controller.
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Op you forgot to ask sonos to let you label the right speaker bathroom and the left speaker kitchen. Lol
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Anyone have experience with Audioplex Monomixers used with Sonos Amp?
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Probably too late to help the OP, but he most likely had dual voicecoil speakers, which he is calling "mono". Any single speaker is "mono", but kitchen and bathrooms are often running on a DVC speaker which takes a stereo signal into one speaker and plays both left and right. He would have had no need for mono out on a sonos unit. However, I am a dealer and custom installer and this feature is long overdue. Commercial installations, places where you don't have more than two conductors to work with, yards, kitchens, etc all can use mono. Now I have to use a speerate amplifier and a summing device. Please fix this. I sell hundreds of units a year.
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It would be extremely useful to switch a Amp unit to output two mono channels. I have recently put speakers into a bedroom with attached bathroom. I wanted to have one speaker rather than a pair in each. I fitted the BluCube CXCL-650-S which is a single 'stereo' speaker. (Nice sound quality, average flush finish.) With the option of Mono outputs I would of had a much larger choice of speakers.
Couldn't agree more : and Sonos while you're at it please make your mono smarter than the rest of the world's mono: let your amp push 2 different, independant streams in mono across each output - by doing this i can use one amp to deliver different, independant, programmable music to 2 separate bathrooms ! that would just be AWESOME ! While you're at it Sonos, please build a simple, wife-friendly, button-based controller for the kitchen and the bathroom that i can set next to the light switch - right now i have to bring the speaker wires to an attenuator, then back to teh speaker - having a nice little sonos volume + skip button controller would be so much smarter...
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Sebastian going mono is a simple software change. Two streams requires a whole new set of hardware. You are asking for one unit to do the work of two. I don't think that will happen. Most companies are not about sabotaging their own sales. Such capability would increase the cost per unit substantially, going mono should not.
One more vote for mono option here for all the reasons listed above
One more vote for mono for all the above reasons
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I have silently, patiently waited for a mono model for Connect:Amp for years. But no more! As I see it mono is of benefit for whole home audio - but also commercial installations. If mono option in the software took the form of L+R, L, or R mono options, it could increase Sonos sales because 2 Connect:Amps could be sold for a bi-amped 'wireless speaker' solution.... Dynaudio appears to be offering a similar concept integrated into some of their speakers but without any of the benefits that a Sonos system offers. I wonder if they actually sell any - is there a market for it? If it really is just software, it wouldn't cost Sonos very much to find out.

I had another customer, yesterday who wanted better 'wireless' speakers than PLAY:5. The Play:5s are great value for money, but my customer wanted something better. 2 Connect Amps bi-amping a pair of nice mid-priced speakers could have suited him down to the ground. It's worth noting that my 'L-or-R mono option' is already offered as 'create a stereo pair' in the PLAY: products (L+R is in the PLAY:1). But stereo-pair Connect:Amps? Please?
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One more vote for mono option here for all the reasons listed above


Bought this from HomeTech 

It's ugly but works, no problems for 14 months.

Items

AT-MM200

MonoMixer, 200 Watt

Converts Stereo to Mono 

Common Ground

1 each

Usually ships in 3-5 days.2

$33.95 each

$33.95
I'm installing a big Sonos system in a friend's house. Without a mono option the wiring is far more complicated: stereo input ceiling speakers, local impedance matching volume switches, what a nightmare. Thanks for skipping the obvious Sonos. Same camp as Mr. Olson, took it for granted that ceiling speakers and whole house audio would be familiar territory for these guys. With odd rooms and hallways and bathrooms, etc. why would they assume stereo is appropriate everywhere all the time? Odd...
Not so hard because you would not use a sonos amp in this situation. You would use a connect and you can simply use RCA Y cables to make it mono then hook it up to the appropriate amp for whole house audio. The sonsos amp units are not made for audio distribution, but single rooms with stereo speakers.
This was from a while ago, but don't use multiple sonos amps. You use connects and a multi channel amp made for multi room audio.
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I'm installing a big Sonos system in a friend's house. Without a mono option the wiring is far more complicated: stereo input ceiling speakers, local impedance matching volume switches, what a nightmare. Thanks for skipping the obvious Sonos. Same camp as Mr. Olson, took it for granted that ceiling speakers and whole house audio would be familiar territory for these guys. With odd rooms and hallways and bathrooms, etc. why would they assume stereo is appropriate everywhere all the time? Odd...
"RCA Y cables to make it mono"....Good way to damage your unit. Sonos needs to make mono available in their software. It's that simple. All these other "solutions" are half-baked and a source of future problems, never mind extra cost. I can't believe there isn't even a reply from someone at sonos on this thread. Especially with at least two dealers chiming in.
One more vote for mono option here for all the reasons listed above


I'm using the mono-mixer as well.. It works .. you do loose about 30% of power but for these smaller rooms it doesn't really matter unless you were planning to blast the music.   I need 3 more mono-mixers!!  I wish they would just add a software toggle for MONO!!  This is ridiculous.
Yes on mono output please! We use Sonos Connects with large amps to drive multiple speakers over a large area and in different rooms. Stereo signals tend to sound funky when you have one speaker with the left signal in one room and the right signal in the other room OR when you have a hallway or outdoor lanai with more than two speakers in a row. Thanks in advance for adding this feature!
I'm installing a big Sonos system in a friend's house. Without a mono option the wiring is far more complicated: stereo input ceiling speakers, local impedance matching volume switches, what a nightmare. Thanks for skipping the obvious Sonos. Same camp as Mr. Olson, took it for granted that ceiling speakers and whole house audio would be familiar territory for these guys. With odd rooms and hallways and bathrooms, etc. why would they assume stereo is appropriate everywhere all the time? Odd...
Ive used Y cable for over a year, no issues. Its line level out of connect so a Y cable wont damage the unit. Not sure where you got that info from
I'm installing a big Sonos system in a friend's house. Without a mono option the wiring is far more complicated: stereo input ceiling speakers, local impedance matching volume switches, what a nightmare. Thanks for skipping the obvious Sonos. Same camp as Mr. Olson, took it for granted that ceiling speakers and whole house audio would be familiar territory for these guys. With odd rooms and hallways and bathrooms, etc. why would they assume stereo is appropriate everywhere all the time? Odd...
Here's the answer to safely creating a mono output from a Sonos Connect RDL TX-MX2R http://www.rdlnet.com/product.php?page=89
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I'm installing a big Sonos system in a friend's house. Without a mono option the wiring is far more complicated: stereo input ceiling speakers, local impedance matching volume switches, what a nightmare. Thanks for skipping the obvious Sonos. Same camp as Mr. Olson, took it for granted that ceiling speakers and whole house audio would be familiar territory for these guys. With odd rooms and hallways and bathrooms, etc. why would they assume stereo is appropriate everywhere all the time? Odd...
That would work safely but unfortunately it's an $80 discontinued item. Sonos just needs to do this. This feature can be added for almost zero extra cost. It already exists in the play units. It's just getting someone to actually listen.
I'm installing a big Sonos system in a friend's house. Without a mono option the wiring is far more complicated: stereo input ceiling speakers, local impedance matching volume switches, what a nightmare. Thanks for skipping the obvious Sonos. Same camp as Mr. Olson, took it for granted that ceiling speakers and whole house audio would be familiar territory for these guys. With odd rooms and hallways and bathrooms, etc. why would they assume stereo is appropriate everywhere all the time? Odd...
fully agree - SONOS PLEASE READ THIS THREAD AND TAKE ACTION !!!
I would use a Connect without Amp and connect it to an OSD AMP-120. This Amp will run 2 pairs of speakers, can run mono/stereo/Bridge, has an override second input and is auto-power on/off via signal detect. $99 US + Delivery. Sweet device..

Must agree though that it would be nice to have even a simple switch on the back to select mono/stereo output. I don't think you can do it as a solely software fix due to the local analogue input??
I would use a Connect without Amp and connect it to an OSD AMP-120. This Amp will run 2 pairs of speakers, can run mono/stereo/Bridge, has an override second input and is auto-power on/off via signal detect. $99 US + Delivery. Sweet device..

Must agree though that it would be nice to have even a simple switch on the back to select mono/stereo output. I don't think you can do it as a solely software fix due to the local analogue input??

Someone installed 6 basic(assuming 8 ohm-nothing in specifications) 6.5" ceiling speakers in 6 different rooms of an office building that I am using.  1 speaker in each room with each wire run separately into the server closet.  Could I possibly use the OSD AMP-120 in mono mode with a SONOS hooked up to it and then run to a speaker selector(w/ volume control) for each rooms single speaker.
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We had a customer, just this week, looking for a product to make his speakers 'wireless'. A stereo-pair of Connect;Amps would have been perfect.