Pioneer GM-D1004 4-Channel - Class D, 400w Max Power - Compact Bridgeable Amplifier

400 Watts Max Power Variable High Pass and Low-Pass Filters Refined Class FD Design Offers Extreme Efficiency and High-Quality Sound Overview GM-D1004 4-channel amplifier will power your front and rear speakers with 45 watts RMS each which is almost three times the power of a typical factory radio or aftermarket receiver. This compact amplifier runs so efficiently that it can often get its power from the same circuit as your receiver. Its tiny size accommodates installs almost anywhere, even behind the dash in many vehicles. Bridge a couple of the GM-D1004's channels together and drive a subwoofer with 90 watts while still powering a pair of front speakers. Universal harnesses allow signaling from an aftermarket receiver's RCA outputs or a factory radio's speaker wiring. This amplifier is CEA-2006 compliant and is a class FD technology. Compact Design Whether you call it compact or micro the GM-D1004 will wear the name proudly. With the size equivalent to slightly smaller than a sta