BOSS Audio CX1250 Chaos Exxtreme 2500-watts Full Range Class A/B 2 Channel 2-8 Ohm Stable Amplifier with Remote Subwoofer Level Control Amplifier Class: Class A/B Technology: MOSFET Number of Output Channels: 2 Total Power: 2500 Watts Max Bridged Power @ 4 Ohms: 2500 Watts x 1 Max Power @ 2 Ohms: 1250 Watts x 2 RMS Power @ 4 Ohms: 380 Watts x 2 Frequency Response: 9 to 50000 Hz Total Harmonic Distortion (THD) @ RMS Output: 0.01% Minimum Speaker Impedance in Bridged Mode: 4 Ohms Signal-to-Noise Ratio (SNR): 102 dB Minimum Speaker Impedance: 2 Ohms Variable Low Pass Crossover: 35 to 160 Hz Dimensions: 2.625"" x 19.375"" x 11.875"" Bridgeable Soft Turn-On Circuit Thermal Overload & Speaker's Short Protection Remote Subwoofer Level Control Tri-Mode Operation Power & Protection LEDs Input Sensitivity Selector Single 2-channel bridgeable power amplifier Remote subwoofer level control Sensitivity: 102 dB Power output: 380w x 2 RMS, 1250w x 2 Max, 2500w x 1 Bridged MOSFET power supply