Audiobahn A1500HCJ 2200W Single-Channel High Current Series Monoblock Car Amplifier Monoblock Class AB High Current Series Car Amplifier RMS Power Rating: 4 ohms: 600 watts x 1 chan. 2 ohms: 1100 watts x 1 chan. 1 ohm: 2200 watts x 1 chan. PWM MOSFET Power Supply Remote bass control with blue backlight knob Large display volt meter with blue illumination