Contributor I

Answered

Connect:Amp Direct Line Input Delay to Wired Speakers

Forum|Forum|7 years ago
October 2, 2019
23 replies
1261 views

Hello Sonos,
For the past few years I've used the line input on a Connect:Amp to power a left and right wired speaker with no issues. Recently, I started to notice a clear and obvious major delay from the line input source to the wired speakers. I do not have any other Sonos speakers connected wirelessly.

I originally thought this was from my computer or a USB preamp I have for conference calls, but if I test the actual wired input (1/8" male jack from my computer headphone out to RCA left/right male in to the Connect:Amp) simply by touching the input to hear a buzz...there is now a 5 second delay to the wired speakers. This was not the case for 5+ years and just started happening about 3 weeks ago.

I should note that streaming music from Apple Music or Spotify has no delay...I can press start and stop and the music stops immediately and pairs with other Sonos Play:1 and 3's I have. Only when I use the line input directly to the wired speakers is there an issue.

Is there a new firmware patch that could have caused this issue?

I recently purchased a brand new Connect:Amp to see if it was a hardware problem with the one I have that is 5 years old...same exact issue right out of the box.

Thank you so much for any suggestions you have.

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Best answer by ratty

Change the Line-In compression setting to Uncompressed. It sounds like it's on Automatic and, for some reason, has decided to apply compression.

Settings -> System -> Audio Compression

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R

rstlss

Lyricist I

I am in a similar situation. Noticed that my Play 5 Gen 1 has a 3 Second delay. It is connected to a laptop using a line-in. Another bug I noticed that the line-in now default to a Sonos 1 I have. I have manually change to the Play 5 everytime. Hopefully they can release a patch soon.

Thanks

V

vanhauen

Lyricist II

Any further news from Sonos on this? 🙏

Ryan S

Retired Sonos Staff

HI everyone, with the 10.6.2 update today, this should be fixed. There are also some new settings that you can use with your line-in to adjust the delay (still a minimum of 75 ms). Make sure you’ve set the line-in to uncompressed, and you can pick your delay now.

Mark good posts by pressing the like button, and select the best answer on questions you've asked to help others find solutions.

V

vanhauen

Lyricist II

Thank you so much for this excellent news! I can confirm that this update has restored the ability to bringing down the delay to the acceptable 75ms for AV setups 👏

P

piano_grand

Lyricist III

I see that the IOS app has been updated to 10.6.2 - but my system is still on 10.6.1 and checking for an update states “Your Sonos system is up to date.” - was 10.6.2 back end pulled? Or do I need to be patient?

Thanks!

Airgetlam

That’s odd, I got my iOS update already. When you look in the Apple App Store, what version do you see? You have to click on “version history” to see the version data.

If you see 10.6.2, but it won’t update automatically for you, feel free to delete your current version from your iOS device, and download the new one. Just be sure to “connect to existing system” when you start it.

I am just south of you in Texas, I’d think we’re both connecting to the same iOS store, and mine does say 10.6.2.

Bruce

P

piano_grand

Lyricist III

I have iOS 10.6.2. But my Sonos is still on 10.6.1.

Deleting the app from my phone and reinstalling doesn’t help…

I tried the same on a second Sonos system with a 10.6.2 controller and 10.6.1 speaker and it doesn’t pull a new update either… I’ll open another ticket...

V

vanhauen

Lyricist II

I have the same issue. That said, the IOS App update alone has fixed the issue with setting of uncompressed Audio and bringing the delay back to 75ms...

Airgetlam

I’d imagine the 10.6.2 firmware update would have been applied to only the devices that needed it, i.e. devices with a line in, and the remaining speakers, such as the Sonos One would not get updated with the minor update. I’d expect when 10.7 comes out, all speakers would get that. I’ve seen in the past where my PLAYBAR got a dot update, and the rest of my speakers didn’t, but I didn’t have any issues in using my system.

Are you having a particular issue with your system, or are you just looking around in your “About My Sonos”?

Bruce

P

piano_grand

Lyricist III

Bruce - appreciate your efforts to help. I was trying to show a screenshot that showed my controller and system in one screen shot even though it wasn’t a connect - all of my devices are on 10.6.1. But this is my Connect details:

In my history of devices - I’ve never seen a controller have a different version than the speakers and not have a prompted update be provided. I’ll be able to review my second system with a Connect this weekend and validate if only the Controller update fixes the latency. If it’s something where an API wasn’t setting the “uncompressed” setting correctly - that would totally make sense why an IOS update would fix the issue. :)

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