CLASS A/B AMPLIFIER 100w rmsx2 @4ohm 400w rmsx1 @4ohm Class A/B MOSFET Circuitry PWM MOSFET Power Supply double-sided Glass Epoxy Circuit Board THD: 0.02% S/N Ratio: >100dB (+/- 1dB) Frequency Response: 10Hz - 40kHz Input Sensitivity: 200mV ~ 8V Variable 18dB Hi-pass Crossover: 50Hz - 750Hz Variable 18dB Low-pass Crossover: 50Hz - 120Hz Bass boost on / off Subsonic Filter: 20Hz - 50Hz RCA Throughput Connections 3-way Protection Circuitry: Thermal, Short Circuit and Overload Cooling Fan Cobalt Blue Illumination High Gloss Chrome-Plated Finish RCA and HIGH Level Inputs