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4 Altitude 4-channel amplifier is a high-efficiency Class D four-channel power unit built for modern vehicles
Cone and dust cap: Carbon fiber cones and dust caps standard with the Platinum line
The selectable filters and adjustable bass boost let you tune performance to your enclosure and head unit
Provides steady
Magnet: 654 Oz High-Efficiency Magnet
DC Audio 90.4 4-Channel Amplifier Trinity Audio 4 Altitude 4-channel amplifier isDC Audio 90. 4 4 Channel Amplifier is a 4 channel Class A B amp with a fully active crossover, engineered for SQ focused builds that demand precise frequency control and clean power across channels. It provides 90 W RMS per channel at 4 ohms, 130 W per channel at 2 ohms, and 250 W per bridged pair at 4 ohms (500 W total). Fully Active Crossover: Each channel has independent filtering, letting you tailor front stage and subwoofer integration for
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