Product details:

Pioneer GM-A4704 4-channel car amplifier 40 watts RMS x 4 4-channel car amplifier 40 watts RMS x 4 at 4 ohms (65 watts RMS x 4 at 2 ohms) 130 watts RMS x 2 in bridged mode (4-ohm stable in bridged mode) CEA-2006 compliant Class AB amp technology variable high-pass (40-500 Hz, 12 d - B/octave) and switchable low-pass (80 Hz, 12 d - B/octave) filters on A channels switchable high- and low-pass filters (80 Hz, 12 d - B/octave) on B channels preamp and speaker-level inputs fuse rating: 30A x 1 10-gauge power and ground leads recommended wiring and hardware not included with amplifier 12-1/16 inch - W x 2-3/8 inch - H x 8-1/2 inch - D 40 watts RMS x 4 at 4 ohms (65 watts RMS x 4 at 2 ohms)520 Watts Max Power - Automatic signal sensing and Turn-On - Variable high pass filter - Speaker level inputs