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Infinity M4555A 5-Channel High-Performance Marine Amplifier

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$529.00
In Stock
SKU
MA4555A
  • Speaker Level and Low Level Inputs
  • Selectable Output and Variable Crossovers
  • Slim Chasis and Small Footprint

Infinity M4555A 5-Channel High-Performance Marine Amplifier

New weather-resistant & high-performance Infinity Marine amplifiers deliver impressive power from a compact chassis designed to withstand outdoor environments. 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.

Features

Compact size
Infinity Marine amplifiers feature a slim chassis and a small footprint to allow for installation in tight spaces

High- and low-level inputs
Speaker-level and low-level inputs let Infinity Marine amps integrate with just about any audio input.

Selectable Output and Variable Adjustment Crossovers
Infinity Marine amps feature selectable all-, high-, or low-pass crossovers with variable electronic frequency adjustment to allow for fine-tuning multiple system configurations.

Product Value
Infinity power and performance at an affordable price point

Cosmetic Appeal
Product family look and feel to meet the needs of our Infinity customers

Conformal-Coated PCB
Infinity Marine amplifiers are engineered to withstand harsh marine conditions, with fully “marinized” circuit boards to ensure flawless power delivery, year after year

Variable Crossovers
Onboard 12dB electronic crossovers, with selectable full-range, high-pass & low-pass switching, provide tuning options for systems of any size

Big Dynamic Power
Output power is perfectly matched to meet the needs for your Infinity marine products

Specifications

Max Power: 1800W Peak
RMS Power Output @ 2Ω (subwoofer): 500W x 1, <1% THD+N
RMS Power Output @ 4Ω (subwoofer): 320W x 1, <1% THD+N
RMS Power Output @ 2Ω (full-range): 65W x 4, <1% THD+N
RMS Power Output @ 4Ω (full-range): 45W x 4, <1% THD+N
RMS Power Output @ 4Ω Bridged (full-range): 130W x 2, <1% THD+N
Signal-to-Noise Ratio (sub): >80dB (ref 1W output @ 4Ω)
Signal-to-Noise Ratio (full-range): >80dB (ref 1W output @ 4Ω)

What's In The Box

1 amplifier
Stainless steel mounting hardware
Rubber inserts
4 High-level input adapters
3 spare fuses
2 2-color brand stickers
Quick start guide

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Return Policy

30 Day No Hassle Returns

Installation Guarantee

Lifetime guarantee on installation

Questions

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(1-888-227-8697)
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More Information
Product Name Infinity M4555A 5-Channel High-Performance Marine Amplifier
SKU MA4555A
Manufacturer Infinity
Manufacturer's Warranty N/A
Manufacture's Warranty 2 N/A
Amplifier Channels 5 Channel
RMS Power Output (Watts x Channels) 45 x 4 + 320W x 1
Power at 2 Ohms (Watts x Channels) 65 x 4 + 500W x 1
Bridged Power (Watts x Channels) 130 x 2
Minimum Impedance Unbridged 2 Ohm
Minimum Impedance Bridged 4 Ohm
Signal to Noise Ratio @ Rated Power 85dB
Amplifier Class Class D
Low-Pass Crossover Frequency 32-320 Hz