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2016 Water Sports Gear Guide: Rockford Fosgate 400 Watt Class-AD 4-Channel Amplifier
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2015Nov 10
Rockford Fosgate’s TM400X4AD is an ultracompact 400-watt four-channel amplifier built using Rockford’s proprietary Class AD technology. It includes an aluminum chassis and epoxy-coated circuit boards.

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Boating Magazine

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