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Description

Memphis MXA480.4M

The MXA480.4M is a high-power 4-channel marine amplifier engineered for powersports, boats, and other outdoor audio systems. It delivers clean, robust sound for multiple speakers or bridged subwoofer configurations. Built with a fully sealed, weather-resistant chassis and conformal-coated circuitry, the MXA480.4M is designed to withstand water, salt, mud, and vibrations. Its adjustable crossovers and flexible high/low-level inputs make it easy to integrate into factory or custom audio setups.


Features:

  • 4-channel marine/powersports amplifier
  • 80 watts RMS x 4 at 4 ohms (120 watts RMS x 4 at 2 ohms)
  • 240 watts x 2 bridged at 4 ohms
  • Class D amp technology
  • variable high- and low-pass filters
  • 8-gauge wiring kit (sold separately) recommended
  • two sets of preamp inputs
  • frequency response: 10-40,000 Hz
  • dimensions: 10-3/4″W x 2-3/8″H x 6-1/2″D

Specifications:

  • RMS Power Output (Watts x Channels): 80 x 4
  • Frequency Response at Rated RMS Power: 20-20k Hz
  • THD at Rated RMS Power: 1%
  • Signal to Noise Ratio: 95 dB
  • Input Voltage: 14.4v
  • Peak Power Output (Watts x Channels): N/A
  • Power at 2 Ohms (Watts x Channels): 120 x 4
  • Bridged Power (Watts x Channels): 240 x 2
  • Minimum Impedance Bridged: 4
  • Minimum Impedance Unbridged: 2
  • Amplifier Class: D
  • Low-Pass Crossover Frequency: 40-4000 Hz
  • Low-Pass Slope (dB/octave): 12dB/oct
  • High-Pass Crossover Frequency: 40-4000 Hz
  • High-Pass Slope (dB/octave): 12dB/oct
  • Bass Boost: 0-12dB
  • Bass Boost Frequency: 45 Hz
  • Fan Cooled: No
  • Fuse Rating: 50
  • Speaker Level Inputs: No
  • Preamp Outputs: No
  • Height (inches): 2-3/8
  • Width (inches): 10-3/4
  • Depth (inches): 6-1/2
  • Authorized Internet Dealer

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Questions and Answers

Q1: What is the RMS power output of the MXA480.4M?

A1: Approximately 120W x 4 RMS (varies with voltage and load).

Q2: Is this amplifier suitable for marine use?

A2: Yes fully sealed, weather-resistant design protects against water and salt.

Q3: Can I bridge channels for higher output?

A3: Yes  channels can be bridged to run higher-power speaker or subwoofer setups.

Q4: Does it support high-level inputs from factory systems?

A4: Yes  supports both high and low-level inputs for flexible installation.

Q5: Is it durable in harsh outdoor conditions?

A5: Yes  engineered to handle mud, vibrations, water, and extreme powersports environments.


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