Why is my amp on but subs not working?
Commonly, a blown subwoofer, issues with the connection and wiring, volume and other settings, input problems, short circuits and issues with the speaker can be some potential reasons behind a subwoofer not working even if the amp has power.
Why does my amp turn on but no bass?
Step 1: Make sure that the amplifier is properly plugged in, and the power indicator is on. Step 2: Check if all the inputs to the amplifier are correct and tightly plugged in. Moreover, inspect the RAC cables if they are connected properly. Step 3: Every amplifier has certain voltage requirements.
How can you tell if an amp is blown?
How do you diagnose an amplifier? Test the sound by unplugging the sound cables or colored RCA wires. Hissing and crackling are often easy to fix by rearranging the wires or getting complimentary speakers. If the noise doesn’t stop, then you probably have a faulty amp to replace.