I am trying to hook up a subwoofer to the audio out connection on my KDL32S3000. When I go into setup and set the audio out to fixed, the subwoofer works(but has fixed volume level). When I set the audio out to variable, I get no sound out of the subwoofer. I want to set it up as variable so the tv's volume control will control the subwoofers volume as well as the tv speakers. What am I doing wrong? Thanks
Is your subwoofer amplified or passive?
You clearly understand that you need to use a variable line out to control the subwoofer volume via the TV. As the setup seems reasonable, I'm wondering if the subwoofer is getting a signal, but that it is at line-level and not internally amplified by the subwoofer speaker. Generally, if the subwoofer must be plugged into an AC socket in the wall, it has an internal amplifier and can be fed line-level audio. If it is "passive", it has no amplifier, and it must receive an amplified signal (over speaker wire) from an amplifier (or integrated receiver). TV's don't generally have connections to send out an amplified signal.
If the subwoofer is indeed amplified, then this is obviously not the problem, but it's the first thing to verify given the information provided.
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