Audiobahn A18001DJ 2500W Single-Channel Class D Monoblock Car Amplifier Monoblock Class D Car Amplifier RMS Power Rating: 4 ohms: 700 watts x 1 chan. 2 ohms: 1300 watts x 1 chan. 1 ohm: 2500 watts x 1 chan. Remote bass control with blue backlight knob Large display volt meter with blue illumination Variable Bass Boost: 0-18 dB