SPL Audio 4-Channel FX Class A/B Amplifier 1600 Watts Bridged Max - SPL Audio FX41600 4-Channel Class A/B Amplifier 150 Watts x 4 @ 4 Ohm RMS 180 Watts x 4 @ 2 Ohm RMS 360 Watts x 2 Mono RMS 1600 Watts Bridged Max