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Marine 4 Channel Digital Amplifier - PDX-4.100M

The superb audio performance and outstanding durability of Alpine's new Marine product line is based on over 30 years experience in the car audio industry. Powerful and amazingly capable: The Alpine Marine PDX-4.100M Power Density 4 Channel Amplifier is a durable, reliable digital power station  providing over 90% efficiency at all power levels – even with the engine off.

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