Product Features:Pyramid CR66Electronic Low Pass CrossoverLow Pass Settings:50, 90& 180 HzGold Plated RCA High Impedance Input JacksHigh Level Low Impedance Input TerminalVariable Input Gain AdjustmentLED Power IndicatorRemote Power On/Off12dB Bass Boost@ 45,80 or 120HzGold Plated RCA Output JacksDimensions: 3.66W x 5.25D x 1H