Bose f1 sound weird

Hello.I just got a pair of the F1 serie 812,a subwoofer and a Ts4 tonematch.The problem is when the music on they work pretty good but when nothing playing both speakers got sound like gas.Could i ask that is nomal?ì not could anyone show me how to fix it.Many thanks.

 

 

 

Bose F1 Serries 812

 

Canada

 

Firmware Version

 

App Version

 

What devices were you using that were affected and what version are they on (e.g. Samsung Galaxy S9 on Android 11, iPhone X on iOS14, etc.)

Detailed description of the issue and steps to reproduce

 

What environment do you experience the issue in? (e.g. noisy office, quiet kitchen, etc.)

 

When did you start to experience the issue? Did it work correctly previously?

 

Any troubleshooting steps you took

 

 

Hey Tubui and welcome to the Bose Pro-Portable Community!

 

Can you confirm if this sound is still present when there is only the power cable connected to the F1 812 Speakers?

 

Also, on the back of the F1 812 Speakers, what level is the Volume set to?