Pioneer GM-A6704

Pioneer GM-A6704 4-Channel Bridgeable Amplifier with Bass Boost.   1000 Watts Max Power Automatic signal sensing and Turn-ON Variable high pass filter Adjustable bass boost   Technology of the GM Series From dramatic distinction to dramatic design, Pioneer's new GM-Series amplifiers are thrillers in every sense, pushing the limits of flexibility and functionality. Variable HPF Variable HPF (High Pass Filter) allows for adjustable frequency between 40 Hz to 500 Hz* and greater car audio system flexibility according to subwoofer characteristics and personal listening preference. Bass Boost Bass Boost featured in the GM-A6704 and GM-A5702 can be set to levels variably from 0 to 12 dB for optimal bass. This precise control can enhance the overall balance and impact of all sounds according to listening preference and music style. The GM-A5702 allows adjustment in three steps: 0 dB, 6 dB or 12 dB. Growing Power, Shrinking Size New Pioneer amps brilliantly integrate high-po