infinity amp

I got in my car one day and the car stereo still turned on but no sound from any speakers. Not even static, I have a 1996 Dodge Intrepid with the infinity sound system. Do I have to replace the stock infinity amp orrrr?

Item(s) for Sale: Infinity Kappa Four amp Item(s) Description/Condition: used good and working Price: 150 shipped obo Shipping and Miscellaneous Item Information: see above Item Pictures: (List pictures in this section, 1st picture should be your username/date if you have less...

Infinity kappa one Good condition used: Kappa Series Class D Mono Subwoofer Amplifier RMS Power Rating: 4 ohms: 500 watts x 1 chan. 2 ohms: 800 watts x 1 chan. Max power output: 1600 watts MOSFET power supply 3 LED indicators (2 power, 1 protect) Bass Boost (0-12 dB) DirectFET...