Infinity PRIMUS-3000A 1-Channel, 300w RMS X 1 Car Audio Subwoofer Amplifier
Primus Series Class D 2 ohms Stable Monoblock Amplifier. Total RMS power output: 300 watts. 3-way protection circuitry (thermal, overload, and speaker short protection). 2 ohms: 300 watts x 1 channel.