Power Amplifier 2x150W 4Ohm, bridge 300W 8Ohm, class D The new REVAMP2150 is a professional 2-channel digital power amplifier with 2 x 215 watt output power @ 4 ohms, but is also bridgeable (1 x 300 watts @ 8 ohms). This class-D amplifier is convection cooled without built-in fans which implies tha..