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Your cart is empty.New Infinity weather-resistant & high-performance Infinity Marine amplifiers deliver impressive power from a compact chassis designed to withstand outdoor environments. Available with 4-channel and 5-channel outputs. Infinity Marine amplifiers incorporate our latest amplifier topology that includes selectable all-, high-, or low-pass crossovers with variable electronic frequency adjustment for precision system tuning. Engineered for harsh marine conditions, with power and performance to meet the needs of any outdoor audio system, Infinity Marine amplifiers are the perfect match for all of your Infinity marine products.
Lucas Morse
2025-07-30 20:45:35
I originally bought the 4 channel version of the amplifier but then decided I would add a sub. So I returned it and bought the 5 channel. I had read the reviews saying that channels would stop working but figured it was worth a shot. I bought one. The sub channel stopped working so I tested the sub and everything related. Problem persisted so I requested a replacement. It arrived the after about 2 weeks the sub channel went out then about 2 days later the front 2 channels went out. Not over heating as it is getting plenty of air flow. DO NOT BUY.
Customer
2025-05-13 12:28:54
Item not as described!! Amplifier will be returned in the morning!
Jose Blazquez
2025-02-05 17:25:04
I installed on my boat and was very happy at first, however, the case started rusting after a year - not exactly what you expect out of a "marine" amp.
Steve
2024-12-22 20:54:39
Unit not as described. Was an M704A as pictured, not an M4555A. Returning.
matthew sargeson
2024-11-23 10:09:41
One of the channels was not functioning when installing the amp . I tried to contact the seller but no answer . Very disappointed
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