JBL TLX PS10 Subwoofer - Does not work

After looking at your user manual I see a Bluetooth powered sub with a standard AC cord. This should work with other Bluetooth devices provided JBL hasn't done something proprietary with this system. See https://www.groupon.com/articles/how-does-bluetooth-work for a fairly good explanation of Bluetooth. Then, before buying anything, I would call JBL tech support and rule out the "proprietary" possibility (+44 161 222 3325).
Cheers!

May be the rca cable not giving it a signal.

It uses a slow blow 2amp fuse - only one way it goes in :)

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Just touch your fingertip to the input connector on the sub -- similar noise? That would be its amp picking up the hum of the room through your antenna-like body. IF that is the same noise, you need to make sure your input cable is shielded and connected at both ends BEFORE applying power to the electronics at either end.

Be mindful of electronic noise sources such as track lighting, UV lights, motors, TV's, etc, and route the signal and power cables well away from them.

Try reversing the orientation of the AC plug at the sub and see if that helps out.

This item needs to be repaired - shorted or bad parts on board. See Ebay for Repair of JBL and Infinity Amps - Specific Models - Search - Be Happy:)

Servide mauals: http://manuals.harman.com/JBL/HOM/Service%20Manual/PB10%20sm.pdf
http://manuals.harman.com/JBL/HOM/Service%20Manual/PB12%20sm.pdf

More likely to be bad amp module.

You have the subwoofer plugged into ac and you see a light? parhaps the RCA cord is bad. Try another one.