Pioneer GM-D8601 - 1600 Watts Class D Mono Monoblock Car Stereo Bass Amp AmplifierPioneer GM D8601 1600 Watts Class D Mono Monoblock Car Stereo Bass Amp Amplifier Pioneer's new extra efficient Class D digital amplifiers mark a dramatic improvement in power output capability, yet are 50% smaller than the current GM Series Class AB amplifiers. That makes them more versatile in terms of installation as well as performance. Key Features: Maximum Output Power 1 x 600 W (4 ohm) 1 x 1000 W (2 ohm) 1 x 1600 W (1 ohm) Frequency response 10