Contact Digitec regarding the warranty.

Unfortunately that's not possible. I don't turn it off any more. I looked at the standby power consumption and it's almost zero.

I bought the Logitech Z407 in December 2022 and I don't have the problem you describe. What I have noticed is that every now and then it does not connect automatically and I have to connect manually in the device settings (Windows 10). However, I have not addressed this "problem" until now because it only happens sporadically and is not really a "problem" for me. May be due to the PC (maybe). I am very satisfied with the Logitech Z407.

I don't know, I'm not interested in that either. Mfg

The cable is 190cm long.

https://www.logitech.com/en-ch/products/speakers/z407-bluetooth-computer-speakers.980-001348.html#specs

On mac I don't know but it is with my Windows PC

You can connect through 3.5 jack (or RCA adaptor), USB (computers) or Bluetooth. If you TV has audio out (RCA) or Bluetooth, it should work.

The computer is best connected to the unit via the USB connection. A separate data cable of the required length must be purchased. In addition, a connection via a 3.5 mm jack cable is possible via an enclosed aux cable. Bluetooth is the third option for creating a connection for playback. You can switch between all channels via the wireless remote control. However, only the currently active channel is played back.

It almost sounds like something was not soldered properly on the circuit board. I think the product should be exchanged for a new one under warranty, as this is a fault that should not be accepted.

This would work with an adapter cable or a replacement cable, the speakers would have to be connected to the back of the interface and not to the headphone connection. The following cables or adapter cables are available for this purpose, for example: Audiokabel/Adapterkabel

Yes, the speakers are compatible with any monitor that has a 3.5 mm jack plug. This means that the sound of your Playstation can be played back.