800 Watt 4-Channel IPX6 Element Ready™ Amplifier M5-800X4
The M5-800X4 amplifier features the next level of Element Ready™ design from Rockford Fosgate that’s built as rugged as the outdoor environment it’s used in. The IPX6 rating is provided by splash guards on both ends and heavy-duty molded harnesses with integral sealing gaskets. A new PRESET switch - for use with Rockford Fosgate UTV audio kits - eliminates the need to set-up and tune the amp for the best experience possible. Built on the popular TM series, M5 amplifiers feature the same great technologies like Constant Power, Class-AD and C.L.E.A.N., all engineered, developed, and validated in Tempe, Arizona.
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M5 Amp Product Overview
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Rockford Fosgate amplifiers are known world-wide for producing more power than their ratings suggest. The M5 amplifiers are the first series based on new industry standard Dynamic Power ratings, bringing their conservative ratings to the forefront. Engineered from the ground up and purpose-built to deliver more output where you actually hear it, this is real dynamic power that performs not only on paper, but performance heard through the musical experience. You’ll see two amplifier power ratings, the traditional Continuous Power output, and the new Dynamic Power output, both tested in accordance with the CTA-2006 specification. Consider Continuous Power as wattage developed on the test bench for comparison against other amplifiers in the same class, and Dynamic Power as real-world wattage when connected to a speaker load, listening to music. Either way you look at it, Rockford Fosgate is proving – once again – these amplifiers are powerful enough to drive any speaker or subwoofer you throw at them.
- Element Ready™ design with integrated harness & panel seals
- PRESET removes the need to set-up and tune the amp when used with Rockford Fosgate UTV audio kits
- Play all day, easy to integrate, and keep music playing for extended lengths of time
- Constant Power provides instantaneous delivery of output over varying impedance loads
- C.L.E.A.N. input/output clip detection and indicator LEDs
- Focused mass heat sink allows critical aluminum material to be located around hottest internal devices
- Top mounted control panel with Element Ready™ smoked lens cover
- OEM and aftermarket radio integration inputs
- Low Impedance Stability
- Proprietary testing using RATS (Rockford Automated Testing System)
- Proprietary Class-AD technology allows amplifier to produce more power with less current draw
- Discrete Surface Mount technology utilizes 1% tight-tolerances for high efficiency and reduced cross-talk
- MESHA 4 reduces MOSFET temps, lowers distortion, increases durability and prolongs device life span
- Chassis Isolation from mounting points greatly reduces possible introduction of vehicle noise
- Balanced Differential Inputs eliminates noise picked up by signal cables
- Remote-Out feature when using high level inputs
- 2-Year Warranty
New M5 Amplifiers
The new M5 amplifiers are built rugged to go anywhere, featuring a refined design with preset setup, and performance to play all day.
M5 Amplifier Overview
Rockford Fosgate is proud to introduce 3 new powerful M5 amplifiers equipped with the next level of Element Ready™ protection, and the first amps based on new industry standard Dynamic Power ratings, bringing their conservative ratings to the forefront, proving they are powerful enough to drive any speaker or subwoofer you throw at them.
These amplifiers are protected against Dust, UV, Corrosion, and feature Stainless hardware.Learn more
Element Ready™ - Amps
These amplifiers are protected against Dust, UV, Corrosion, and feature Stainless hardware.
IPX6 Water Intrusion RatingLearn more
IPX6 Water Intrusion Rating
IPX6 Water Intrusion Rating
Power supply circuit design that allows the amplifier to increase output power as voltage increases.Learn more
Power supply circuit design that allows the amplifier to increase output power as voltage increases.
MEHSA4 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span.Learn more
MEHSA 4 (Maximum Efficiency Heat Sink Application)
MEHSA4 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span.
C.L.E.A.N. (Calibrated Level Eliminates Audible Noise) is a patented circuit with in/out clip LEDs to help ...Learn more
C.L.E.A.N. (Calibrated Level Eliminates Audible Noise) is a patented circuit with in/out clip LEDs to help match a source to amp and optimize output.
Differential inputs eliminate noise picked up by signal cables.Learn more
Balanced Differential Inputs
Differential inputs eliminate noise picked up by signal cables.
Constant Power is a patented circuit topology that provides instantaneous delivery of output power over varying ...Learn more
Constant Power is a patented circuit topology that provides instantaneous delivery of output power over varying impedance loads.
Onboard equalizer with up to +18dB @ 45Hz and/or up to +12dB boost at 12kHz.Learn more
Onboard equalizer with up to +18dB @ 45Hz and/or up to +12dB boost at 12kHz.
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...Learn more
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and dangerously low speaker impedances.
These Avatars are a personal signature from the Rockford Fosgate team member(s) who designed and engineered ...Learn more
Engineered In The USA
These Avatars are a personal signature from the Rockford Fosgate team member(s) who designed and engineered this fanatic product. This statement illustrates our commitment to being Designed and Engineered in the U.S.A.
DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and ...Learn more
DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and lowers operating temperature.
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your amplifier's ...Learn more
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings.
(Sum of Rated Power)
(RMS Continuous Power)
100 Watts x 4 @ 4Ω
100 Watts x 4 @ 2Ω
200 Watts x 2 @ 4Ω Bridged/Mono
125 Watts x 4 @ 4Ω
200 Watts x 4 @ 2Ω
400 Watts x 2 @ 4Ω Bridged/Mono
High-Level: (2) 4-Pin Molex
Front/Rear: 0-18dB @ 45Hz
50 Hz - 250 Hz @ 12dB/Octave Butterworth
50 Hz - 250 Hz @ 12dB/Octave Butterworth
Input Clip: Red
Output Clip: Blue/Red
85 A @ 2Ω
90 A @ 4Ω Bridged
(42.8 mm x 108 mm x 213 mm)
Does not include harnesses
Knowledge Base Articles
- M5 amplifiers must use included wiring harnesses - Installation Advisory
- 2021 M5 amplifiers - owner's manual
Ask Our Experts
Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.
ARE YOU ENGINEERED TO ROCK?
Get a 1-Year extended amplifier warranty when using a matching Rockford Fosgate installation kit.
We want you to get the maximum performance and reliability from your Rockford Fosgate amplifier. We're so certain using the right cables make a difference, we'll give you and additional 1-Year amplifier warranty when using a matching installation kit!
- 1 Purchase a Rockford Fosgate Punch or Power amplifier.
- 2 Add the correct amplifier installation kit.
- 3 Get an additional 1 year amplifier warranty FREE!
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