BOSS Audio PH2.800 Phantom 1600-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: 1600 Watts Max Bridged Power @ 4 Ohms: 1600 Watts x 1 Max Power @ 2 Ohms: 800 Watts x 2 RMS Power @ 4 Ohms: 260 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): 103 dB Minimum Speaker Impedance: 2 Ohms Variable Low Pass Crossover: 45 to 90 Hz Dimensions: 2.25"" x 14.01"" x 9.5"" Bridgeable Soft Turn-On Circuit Thermal Overload & Speaker's Short Protection Remote Subwoofer Level Control Tri-Mode Operation Power & Protection LEDs Input Sensitivity Selector Two-channel Phantom amplifier with MOSFET power supply and trimode operation Delivers 800 Watts x 2 at 2 ohms; 260 Watts x 2 at 4 ohms; 1600 Watts bridged Line and speaker level inputs with variable gain control Built-in low- and high-pass variable crossovers; 18dB bass boost Includes remote subwoofer level control