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Boss MR404

400W Max, 4-Channel MR Series Marine Amplifier

Boss
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• 4 ohm: 50 watts x 4 chan.
• 2 ohm: 100 watts x 4 chan.
• Pulse Width Modulated MOSFET Power Supply
• LED power (green) and Protect (red) Indicators
• Variable Bass Boost (0 to +12 dB bass boost at 50 Hz)

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This item has been discontinued


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Description


Boss brand icon

Authorized dealer

General Features:

  • 4-Channel MR Series Marine Amplifier
  • RMS Power Rating:
    • 4 ohm: 50 watts x 4 chan.
  • Max Power Rating:
    • 2 ohm: 100 watts x 4 chan.
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +12 dB bass boost at 50 Hz)
  • Soft start turn-on
  • 4/3/2 channel operation
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Frequency response: 12-22000 Hz
  • 8 gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier.
  • Dimensions: 9-8/10"W x 7-3/4"D x 2-3/4"H
  • Authorized Platinum Internet Dealer
  • 1 year Sonic Electronix, and 5 years Manufacturer's warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
50 watts x 4 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
400 watts
Total RMS Power Output
100 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
.05%
Speaker Level Inputs
No
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Signal-to-Noise Ratio
95 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
No
Fuse Rating
20A x 1 
Warranty and Return Policy
Parts Warranty Duration
6 years
Labor Warranty Duration
6 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

MR404

Weight:

3.80lbs

Internal SKU:

mr404

Internal Product ID:

44141

Customer Ratings & Reviews


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