Diamond Audio D300.2 Power Handling: 100W RMS x 2 @ 4-Ohms 150W RMS x 2 @ 2-Ohms 300W RMS x 1 @ 4-Ohms General Features: Class AB amplifier topology Bridgeable output capability (4 Ohms) Stable into 2 Ohm stereo loads 12dB/Octave high pass or low pass filter (50-250Hz) Pass-Thru line output for daisy chaining amplifiers Versatile for either full range or subwoofers Pulse Width Modulated MOSFET switching power supply Extruded aluminum heatsink Nickel plated RCA low level audio inputs Nickel plated power and speaker connector blocks Power on and protection LED lighting for easy diagnostics Thermal, short circuit, and low impedance protection 0 - 12dB bass boost Chassis mounted ATC/ATO type automotive fuses Proudly designed and engineered in the USA THD: &lt;0.02% Frequency Response: 20-20,000Hz Dimensions: L 11.1" x W 8.7" x H 2.25"