When you're buying an amp for marine use, you want it to do more than merely supply clean power to your speakers. You need an amp that will stand up to the rigors of the marine environment as well. Clarion's APX480M 4-channel marine amplifier is built to handle the demands of off-shore life. Its circuit boards are specially-coated to resist damage from mold, mildew, and moisture, while the power, speaker, and RCA connectors are all gold-plated to impede corrosion. There are plenty of features to complement the rugged build. The MOSFET power supply ensures you'll enjoy high power with low distortion. The variable high- and low-pass crossover network is adjustable from 55 to 550 Hz (55Hz-5.5kHz on channels 3 and 4), for maximum adaptability to your needs. If you're driving a pair of subs, you can dial in just the right amount of "kick" with the variable bass boost (up to 15 dB at 45 Hz). And even if your boat's existing radio doesn't have preamp outputs, the APX480M's speaker-level inputs allow easy hookup.
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