Powerbass - ASA Series 400W 1-Ch. Class-A/B Mono Block Amplifier - Black

POLK AUDIO Class D Bridgeable Multichannel MOSFET Amplifier: MOSFET switching; toroidal transformers; front and rear gain level controls; channel mode switch; nickel-plated wire terminals and RCA connectors

Our A/B Class mono block amplifiers combine our new clean low-profile design that still has all the necessary features built into an economical package that puts power and control at your command. Features like a MOSFET power supply, RCA pre-amp out, and variable LPF electronic crossover make these ideally suited to add some punch to any system. The ASA3-400.1 mono subwoofer amp is a great choice when you’re looking to pound out the bass. With 400watts, there’s plenty of juice on tap to power our S or M series single 4-ohm woofers.