sonos amp connection problem

Hi @jonathan1971, thanks for reaching out to the Sonos Community!

Using the manual PIN to authenticate is a recent change, which is why you haven’t had to do this before - there certainly should however be an 8 digit PIN listed on the back/bottom of the Amp, usually directly below the serial number.

It does look like you’ve managed to get the Amp online from our side, and it’s running a Beta software - if you do have any further issues with the Amp I’d recommend reaching out to the Beta Community, as they will be better placed to assist you.

Xander P - I’m having the same problem and I DID in fact buy the amp from Sonos directly.  There is no serial # or pin anywhere visibile on either of my 2 amps.  I still have the boxes and the label on the boxes have serial #s but no reference to any Pin.  One of my amps stays connected to Sonos 2 but the other keeps disappering, and now it’s asking me for a pin which I have no idea where to find or what do to.  This amp is also connected to an HDMI (Arc) port for a TV so it works for both TV and music (TV and spearkers are outside).   When it worked, it worked great, but most often now it doesnt work and now I’m stuck with this Pin issue.  I’ve had alot of trouble with these new amps and to be honest I’m quite disappointed.

Any suggestions what I can do here?

Ok, so I just learned that the PIN is actually typeddirectly on the bottom of the amp in VERY FAINT dark grey type.  If you look very closely you will see it right by where the screw connection is.  I used this pin and was able to connect.

Now I can only hope this amp doesnt get disconected again

It perhaps might be easier to photograph, zoom-in and crop the image, to see the Amp’s pin-code using the mobile controller camera App ...and then keep the image, or just a note of the code, for future use.

Hi All,

I received my new SONOS AMP today and there is no serial on the bottom what so ever. Nothing, no engravement nothing printed very faintly in grey. If this is a new update on software, I'm sure that the device AMPS were manufactured before this request for a PIN and were shipped out without a PIN printed on the bottom.

I’m stuck now with a brand new AMP and cannot setup. Even though my AMP was purchased from a reputable online provider Electronics For Less, SONOS support will say take it up with them. 

Any help?

Hi @Philly75,

That doesn’t sound great. Would you mind sending over a picture of the bottom of your Amp in a private message to me? I’d like to see if we can sort this out for you.

I’d wonder if adding it to your system, and then running a diagnostic to provide James L. with that picture might help him, too. I’d think the serial number would be part of any diagnostic that includes that particular device.

Electronics for Less, just based on the name, sounds pretty sketchy to me. But I haven’t looked them up, to see if they’re an authorized outlet for Sonos products, either. 

Heh, there you go, don’t spout off before looking things up. They do appear to be both respectable, based on their website, and also appear to be a Sonos authorized distributor. Just Canadian, and I’m not anywhere particularly close to Canada :)

@Airgetlam Serial number and MAC address was provided to James.

If I can add it to the SONOS system/network I would be able to run diagnostics. But im stuck at the 8 digit pin ,I cannot bypass it. Whether using wireless or hard wired.

Ah, gotcha. As long as James has all the data he needs, that’s the important part. It does seem odd that you received one without the necessary data on it, but it sounds like you’re on your way getting it sorted with James.