New Boss Ar1600.4 1600W 4 Ch Armor Series Car Audio Amplifier Amp Ar16004 Brand: BOSS AUDIO Features: Bridgeable Soft Turn-On Circuit Thermal Overload & Speaker's Short Protection Remote Subwoofer Level Control Tri-Mode Operation Power & Protection LEDs Type: Amplifiers RMS Power: RMS Power @ 4 Ohms: 160 Watts x 4 Bridged Power: Max Bridged Power @ 4 Ohms: 800 Watts x 2 Frequency Response: 9Hz - 50KHz THD: 0.01% SNR: 105 dB