The Power Acoustik OV2-1200 Car Amplifier features - Thermal / Short / Overload Protection, Pearl Silver Finish, PWM MOSFET Power Supply, Power & Distress Indicator, Three Way Protection Circuitry, 4 Gauge Power / Ground Connections, Selectable X-Over HPF / Full / LPF, 18 dB Bass Boost with Switch Sub, Variable Hi-Pass and Low-Pass, Gold Plated Terminal Strips / RCA Jacks, Heavy Duty Heat Sink, Adjustable Input Sensitivity, Soft Delayed Remote Turn-On & Phantom Channel for Powering Center Speaker or Subwoofer.