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Rockford Fosgate

Rockford Fosgate M5-800X4 IPX6 Element Ready 800-Watt 4-Channel Marine Amplifier with Dynamic Power

  • Based on 95 reviews
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Availability: In Stock.
Fulfilled by Audio Watt Store
Arrives Sunday, Feb 15
Order within 18 hours and 27 minutes
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Features

  • Our 800-Watt, 4-channel, ultra-compact (1.7" x 4.25" x 8.41") M5-800X4 amplifier features the next level of Element Ready design and performance from Rockford Fosgate, thats built as rugged as the outdoor environment its used in
  • The IPX6 rated M5 amplifiers provide superior protection and are built to stand up to all the elements including water, dust, mud, and UV rays
  • The M5 amplifiers are the first series based on new industry standard Dynamic Power ratings, deliver more output where you actually hear it (Dynamic Power Rating: 125 Watts x 4 @ 4 OR 200 Watts x 4 @ 2 OR 400 Watts x 2 @ 4 Bridged/Mono)
  • Built on the popular Rockford Fosgate Power Marine series, M5 amplifiers also feature the same great technologies like Constant Power, Class-AD and C.L.E.A.N., all engineered, developed, and validated in Tempe, Arizona
  • Famous Rockford Fosgate build quality with a full 2-year warranty

Item dimensions L x W x H: 12 x 6 x 4 inches


Voltage: 14.4 Volts


Manufacturer: Rockford Fosgate


Mounting Type: Surface Mount


Brand: Rockford Fosgate


Item dimensions L x W x H: ‎12 x 6 x 4 inches


Voltage: ‎14.4 Volts


Manufacturer: ‎Rockford Fosgate


Mounting Type: ‎Surface Mount


Brand: ‎Rockford Fosgate


Number of Channels: ‎4


Output Power: ‎800 Watts


Package Type Name: ‎box


Material: ‎Plastic, Metal


UPC: ‎780687357962


Model: ‎Rockford Fosgate M5-800X4


Item Weight: ‎4.19 pounds


Product Dimensions: ‎12 x 6 x 4 inches


Item model number: ‎M5-800X4


Exterior: ‎Painted


Manufacturer Part Number: ‎M5-800X4


Date First Available: December 9, 2020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Feb 15

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Awesome amp!
Like the size, looks and performance. Awesome! Thank you!
Reviewed in the United States on July 10, 2024 by Andrew Johnson
    • Cualidad
The best amplifier of my life
Reviewed in the United States on March 1, 2025 by José medina
    • good seller
seller was good and fast delivery but having trouble getting amp to perform correctly
Reviewed in the United States on May 20, 2025 by john schneemann
    • Easy plug and play
Awesome
Reviewed in the United States on November 28, 2025 by Juan A Saavedra
    • Works great
Perfect
Reviewed in the United States on April 8, 2025 by Jose G Salgado
    • Plug and play
Review Image by Levi wallace Levi wallace
Review Image by Levi wallace Levi wallace
Review Image by Levi wallace Levi wallace
Awesome speakers, very loud and clear quality when paired with the fosegate speakers. Also compact If you are changing from the T model to the M5 model no rewirung needed just unplug and plug and play.
Reviewed in the United States on February 24, 2022 by Levi wallace Levi wallace
    • Rocks out with its $ock out!
Badd A$$ little amp. Performs great! Super loud, low power consumption. Would definitely recommend. Worth the price. Worth double the price.
Reviewed in the United States on June 28, 2024 by Leslie Hicks
    • Rockford Fosgate M5-800X4 IPX6 / 2 channel install
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Excellent customer support, with an 800 number and a live person to talk to for tech support. Manual could have better instructions on 2 channel settings and wiring, but tech support cleared it up in one quick call.
Reviewed in the United States on June 29, 2023 by Amazon Customer Amazon Customer

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