M5-800X4

The Rockford Fosgate M5-800X4 is a compact, high-performance 4-channel amplifier designed specifically for demanding applications in boats, motorcycles, UTVs, and other outdoor vehicles. Thanks to innovative Element Ready™ technology and an IPX6 rating, the amplifier is optimally protected against powerful water jets and harsh environmental conditions.

The efficient Class AD amplifier technology combines high output power with low power consumption. Constant Power technology ensures consistent power delivery across a range of speaker impedances. With 4 x 100 watts RMS at 4 ohms and 2 ohms, the M5-800X4 delivers ample power for high-quality speaker systems.

Features include C.L.E.A.N. technology for detecting signal clipping, balanced differential inputs to reduce noise, and flexibly adjustable high-pass and low-pass filters. The built-in Auto-Turn-On function also allows for easy integration into existing audio systems.

The rugged aluminum housing, featuring optimized heat dissipation, sealed cable connections, and a protected control panel, ensures high reliability even under demanding operating conditions.

Technical Specifications

General Characteristics

• Manufacturer: Rockford Fosgate

• Model: M5-800X4

• Series: M5 Marine

• Amplifier Type: 4-channel amplifier

• Amplifier class: Class-ad

• Number of channels: 4

• Total RMS power: 400 watts

• Dynamic total power: up to 800 watts

• Protection Class: IPX6

• Technology: Element Ready™

• Applications: Marine, Motorcycles, Powersports, and Outdoor
  
  

RMS Output Power (CTA-2006)

• 4 ohms: 4 x 100 watts RMS

• 2 ohms: 4 x 100 watts RMS

• 4 ohms bridged: 2 x 200 watts RMS
  
  

Dynamic Output Power

• 4 ohms: 4 x 125 watts

• 2 ohms: 4 x 200 watts

• 4 ohms bridged: 2 x 400 watts
  
  

Audio Properties and Filters

• Frequency response: 10 Hz – 50,000 Hz (±1 dB)

• Signal-to-noise ratio: over 105 dB

• Total Harmonic Distortion (THD) at rated power: less than 1.0%

• High-pass filter (HPF): 50–250 Hz

• Low-pass filter (LPF): 50–250 Hz

• Filter slope: 12 dB/octave

• Filter characteristic: Butterworth

• Input sensitivity: 150 mV – 12 V RMS

• Input selector switch: 2- or 4-channel operation

• Minimum speaker impedance: 2 ohms per channel

• Minimum speaker impedance in bridge mode: 4 ohms
  
  

Features and Technologies

• Constant Power Technology for stable performance across a range of impedances

• C.L.E.A.N. Input and Output Monitoring with LED Display

• High-level inputs with automatic power-on function

• Remote-Out Function When Using the High-Level Inputs

• Balanced differential inputs for noise suppression

• Compatible with factory-installed radios and aftermarket units

• PRESET Function for Compatible Rockford Fosgate UTV Audio Systems

• MESHA 4 Technology for Reducing MOSFET Temperatures

• Surface-mount electronic components with tight manufacturing tolerances

• Optimized Aluminum Heat Sink

• Electrical decoupling of the housing from the mounting points

• Protected control panel with tinted cover

• Sealed Cable Glands and Connection Systems

• Protection against powerful water jets in accordance with IPX6

• Quality Assurance Using the Rockford Automated Testing System (RATS)
  
  

Dimensions

• Width: 108 mm

• Height: 43 mm

• Length: 246 mm
  
  

What's Included

• 1 Rockford Fosgate M5-800X4 4-Channel Amplifier

• 1 x Power, Ground, Remote, and Speaker Connection Harness

• 1 x input wiring harness

• 2 x RCA-to-Molex Input Adapters

• 1 x Power/Ground/Remote Adapter Plug

• 2 x speaker output harnesses

• 1 x 3-mm Allen wrench

• 1 x User Manual

• 1 x Individual Certificate of Achievement

• Product Information
  
  

Additional technical specifications from the manufacturer's manual

• Operating voltage: 9–16 V DC

• Recommended wire gauge: 8 AWG (approx. 8.4 mm²)

• Rated fuse rating: 100 A

• Punch EQ: available

• Signal-Sense/DC-Offset Enable: Available

• Longitudinal mounting hole spacing: 198.7 mm

• Transverse mounting hole spacing: 74.5 mm

• Housing length without cable harnesses: 245.9 mm

• Length, including extended wiring harnesses: approx. 855.5 mm