BIC America H-100II 12-Inch 150 Watt Front Firing Powered Subwoofer, (Black) Auto on/off with LED indicator & signal sensing Adjustable crossover & volume control Contemporary black lacquer top & wood-grain sides Frequency Response: 24Hz - 200Hz (+/- 3dB), adjustable crossover frequency range: 40Hz- 180Hz Recommended Power: Built-in-Amplifier Power- 150 Watt RMS, 500-Watt Dynamic Peak