SPL Audio 4-Channel FX Class A/B Amplifier 190 Watts X 2 RMS 840 Watts Max - SPL Audio FX4840 80 Watts x 4 @ 4 Ohm RMS 95 Watts x 4 @ 2 Ohm RMS 190 Watts x 2 RMS/840 Watts Bridged Max Embossed Logo HyperBass Boosts the Low Frequencies in the Adjusted Range