for sale is JL AUDIO J2 500.1 mono amplifier.it is in good condition and perfect working order!!!
here is some spec
mono subwoofer amplifier
340 watts RMS x 1 at 4 ohms (500 watts RMS x 1 at 2 ohms)
Class B amplifier design
MOSFET switching power supply
frequency response: 10-100 Hz
variable low-pass filter (40-130 Hz, 12 dB/octave)
variable bass boost (0-12 dB at 45 Hz)
output polarity switch
preamp inputs and outputs
fuse rating: 15A x 4
4-gauge power and ground leads and a 60-amp fuse recommended — wiring and hardware not included with amplifier
I have more car audio stuff for sale!!!any questions just ask!!!