Punch 300 Watt Mono AmplifierPBR300X1 The Punch PBR300X1 is a 300 Watt mono car audio amplifier designed for compact subwoofer systems. This efficient amp packs a Punch in truck, sub-compact, electric, and hybrid vehicles without sucking a lot of juice from your electrical system. The PBR300X1 is a mono car audio amplifier designed for a subwoofer system that requires little space. The BRT (Boosted Rail Technology) is an ultra efficient design that doesn't even use a switching power supply to generate its 300 Watts of power! The BRT also has a variable hi-level DC offset turn-on circuit for easy installation into any OEM system.See our Element Ready™ amplifiers designed specifically for Motorsports and Motorcycle applications. FEATURES AT A GLANCE Ultra compact chassis 12dB/octave Butterworth crossover High level inputs MOSFET output stage Variable 4-6 volt hi level DC offset voltage input turn-on control 1 Year Warranty SPECIFICATIONS Cta-2006 Compliant Remote Controls Optional PEQ provides 0dB to +18dB @ 45Hz Number of Channels 1 Visual Indicators Power/Protect, BRT (Boost) Total Power(Sum of Rated Power) 300 Watts Power Wire Gauge 10 AWG Rated Power(RMS Continuous Power) 75 Watts x 1 @ 4-Ohm150 Watts x 1 @ 2-Ohm300 Watts x 1 @ 1-Ohm Power Input Connector Detachable Compression Terminal Dynamic Power(PVC/PowerCube®) 96 Watts x 1 @ 4-Ohm189 Watts x 1 @ 2-Ohm326 Watts x 1 @ 1-Ohm Speaker Wire Gauge 16 AWG Bridgeable No Speaker Output Connector 4-Pin HarnessWiring Convenience:2 Negative Terminals (-)2 Positive Terminals (+) Frequency Response 20Hz - 250Hz +/-3dB Cooling Convection Input Sensitivity Low-Level: 150 mV - 4 VHigh-Level: 400 mV - 11 V Heatsink Circuit Topology Class Class BR Operating Voltage 9 - 16 VDC Efficiency (average) 75% @ 4-Ohm75% @ 2-Ohm75% @ 1-Ohm Recommended Fuse(not included) 30 A Total Harmonic Distortion (THD+Noise) 4-Ohm: