Pioneer Gm-A4704 4-Channel Bridgeable Amplifier,Black/Red

Pioneer Gm-A4704 4-Channel Bridgeable Amplifier,Black/RedPioneer GM-A4704 4-Channel Bridgeable Amplifier, Black/red. Low-Pass Crossover Frequency = 80 hertz ,High-Pass Crossover Frequency =40-500 hert...