The RX2 Toro Audio Multi Channel Amplifier is rated at 65 Watts x 2 @ 4 Ohms RMS. Stable at 2 Ohms with a high quality A/B Class PCB layout that includes built in auto sensing turn on function for vehicles that do not have the ability for RCA output, selective Bass Boost EQ for fine tuning, soft delay remote turn on/off circuit that eliminates pops and clicks. The RX2 Amplifier utilizes a MOSFET power supply for high output and increased stability, variable gain control. With a frequency range from 12Hz ~ 40kHz this versatile amp can power a wide range of subwoofers and speakers. FEATURES: Sound Quality Class-A/B Design Built-In Auto Sensing Turn-On Function (Hi-Inputs) MOSFET Power Supplies for High Power Output and Best Stability into Low Impedance Loads Soft Delay Remote Turn On/Off Circuit Eliminates Pops and Clicks Variable Low Pass & High Pass Electronic Crossover Selectable Bass Boost EQ ~ OFF / 6dB / 12dB Self-Diagnostic Protection Circuit with LED Status Indicator for Impedance Over-load, Speaker Short Circuit, Thermal Overheating, and DC Output Variable Gain Control SPECIFICATIONS: RMS @ 4 Ohms 65w x 2 RMS @ 2 Ohms 90w x 2 Bridged RMS @ 4 Ohms 180w x 1 Min Impedance 2 Ohm LPF / HPF 50Hz ~ 250Hz / Full ~ 3kHz THD @ RMS Power 105 dB Max Voltage 14.5v RCA Voltage 200mV ~ 10V Freq. Response 12Hz - 40kHz Crossover Slope 12dB Rear Channel Subsonic Filter N/A Bass EQ OFF / 6dB / 12dB Subwoofer EQ N/A Dimensions Inches 7.68 (in) x 2.0 (in) x 7.1 (in) Dimensions mm 195mm x 54mm x 171mm