JL Audio MX600/3 600 Watt 3 Channel Amplifier Class D$429.99
The JL Audio MX600/3 is designed to deliver the power and clarity you expect from JL Audio in a compact chassis that is IPX7 rated. This amp uses Class D circuirty to delivery 75 watts per channel to the speakers and 250 watts to a subwoofer at 4 ohms. At 2 ohms, the JL Audio MX600/3 puts out 100 watts per channel for the the speakers at 400 watts to the subwoofer. This amplifier is perfect for powersports and marine applications where there is limited space. You can run 4 speakers off of the 2 speaker channels at 2 ohms, run a subwoofer at 2 ohms, and get 600 watts of JL output at an affordable price point.
From a signal processing standpoint, the MX600/3 has a variable, 12dB/octave crossover for the full range, speaker channels and a 24dB/ocatave crossover for the subwoofer channel. There is a selectable, 2 or 4 channel input switch, bass boost EQ, a variable infrasonic filter, and a subwoofer polarity switch to give you virtually all of the features you would expect from an amplifier. You can use the JL RBC-1 as a bass knob with this amplifier, but it does not have RCA pass-through pre-outs.