Pioneer GM-A6604

4-channel car amplifier.
60 watts RMS x 4 at 4 ohms (90 watts RMS x 4 at 2 ohms).
4-channel car amplifier (4-ohm stable in bridged mode).
CEA-2006 compliant.
Switchable high- and low-pass filters (80 Hz, 12 dB/octave) on A channels.
Variable high- and low-pass filters (40-500 Hz, 12 dB per octave) on B channels.
Bass boost (0-12 dB at 50 Hz) on B channels.
MOSFET power supply.
Preamp and speaker-level inputs.
Fuse rating: 25A x 2.
8-gauge power and ground leads recommended — wiring and hardware not included with amplifier.
13-3/4"W x 2-3/8"H x 8-1/2"D.