Product Title Pioneer GM-A5702 2-Channel Bridgeable Amplifier with Bass Boost ,Black/red Average Rating: ( 4.1 ) out of 5 stars 35 ratings , based on 35 reviews Current Price $84.24 $ 84 . 24 Pioneer GM Series Class AB Amp (GM-A5702) From dramatic distinction to dramatic design, Pioneer's GM Series amplifiers are thrillers in every sense, pushing the limits of flexibility and functionality. The 2-channel GM-A5702 delivers plenty of juice to power your speakers. It also automatically selects the proper input signal mode-either RCA or speaker level plus it will turn on automatically ... Shop Pioneer GM 1000W Class AB Bridgeable 2-Channel Amplifier with Variable Low-Pass Crossover Red/Black at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up. Price Match Guarantee.