Dual Electronics BAK1500 10 inch Compact Low Profile Amplified Subwoofer with 1,500 Watts of Peak Power & Remote Subwoofer Control CLASS A/B AMPLIFIER  your Dual Electronics High Performance Powered car amplifier has specific linear circuitry that improves sound quality and power output while reducing distortion and refining efficiency for unrivaled sound superiority FULL RANGE CROSSOVERS  when designing your power amplifier we added a low/high pass variable crossover for versatility and precise control by being able to fine tune your acoustic preferences DIGITALLY OPTIMIZED SUBWOOFER  is carefully crafted for efficient and accurate bass, providing power handling up to 1,500 Watts of Peak Power at 4 Ohms SHORT CIRCUIT PROTECTION  given the vast amounts of power your car stereo system has, we made sure that there was a thermal and DC offset safety protection included BASS CONTROL KNOB  with your built-in bass control knob you now have full control over your music experience by being able to precisely adjust the levels of bass you want to hear 1 YEAR WARRANTY  guaranteed high quality and reliability with hassle-free parts and labor warranty with excellent customer service DIMENSIONS  14.88 W x 10.55 D x 2.85 H