Features Class D Monoblock Amplifier 1 Ohm Stable capability Amber-Glow Logo Badge Audiophile Grade Components Speaker Short Circuit Protection High Efficiency Mosfet Design 12 dB Variable Low Pass X-over 12 dB Variable Bass Boost 12 dB Variable Subsonic Filter 15Hz - 55Hz Double Sided PCB Bass Remote Included Specifications 1 x 2500 watts @ 1Ω mono 1 x 1250 watts @ 2Ω mono 1 x 625 watts @ 4Ω mono X-Over Slope: 12dB Bass Boost @ 45Hz - 0-12dB Input Sensitivity: 285Mv - 6V Signal to Noise Ratio >