DESC: Two Channel Amplification Maximum Power 2 x 120 Watts Total Output Variable Gain Control Accepts High or Low Impedance Inputs Gold Plated RCA Inputs High/Low Level Input Output Impedance: 4-8 Ohms Easy Access Speaker Connections Remote Turn On/Off Adjustable Gain Control Load Dump Over Voltage Thermal Shutdown AC/DC Short Circuit Protector Heavy Duty Aluminum Alloy Heatsink Power On LED Indicator Frequency Response: 20-30kHz Signal to Noise Ratio: 85dB