Alpine Amp $180 obo

4-channel car amplifier
70 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms)
200 watts RMS x 2 bridged output at 4 ohms (4-ohm stable in bridged mode)
2-, 3-, or 4-channel output
variable high-pass/low-pass filters (50-400 Hz, 12 dB/octave)
tuned Bass EQ (12 dB bass boost at 50 Hz for channels 3 & 4)
subsonic filter (15 Hz, 24 dB/octave for channels 3 & 4)
MOSFET power supply
CEA-2006 compliant
STAR Topology (minimizes internal noise and prevents ground interference)
speaker- and preamp-level inputs
preamp outputs
gold-plated screw terminals
fuse rating: 25A x 2
8-gauge power and ground leads recommended