Audiobahn A5005J 900W 5-Channel Intake Series Car Amplifier 5-Channel Class AB Intake Series Car Amplifier RMS Power Rating: 4 ohms: 50 watts x 4 chan + 250 watts x 1 chan 2 ohms: 100 watts x 4 chan + 500 watts x 1 chan Bridged @ 4 Ohms: 200 watts x 2 chan + 500 watts x 1 chan PWM MOSFET power supply Large display volt meter with blue illumination Bass Boost on/off switch