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Harley Davidson 4-Channel Audio Upgrade with Saddlebag Lids for Select 1998-2013 Models

Rugged, Compact & Powerful

Powerful, yet compact, audio amplifier kit designed for use on Harley Davidson motorcycles.

The HD4SPLIDS includes everything you need to take your 1998-2013 Harley Davidson sound system from stock to rock!

Compatible with 1998-2013 Ultra Classic, Electra Glide, Street Glide, Tri Glide, Road Glide, and Road Glide Ultra models. (Standard saddlebag lids only).


    Description of the product type, size, channels, etc..


    Wire, fuse, fuse holder and fittings required to connect amplifier to electrical system.

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    Upgrade Your Harley

    This kit includes everything you need to upgrade your factory speakers to a bigger speaker and amplifier so you can hear your music no matter how fast you drive.

    Compact And Powerful

    Harley Davidson Street Glide

    The MTX MUD100.4 is a compact amplifier designed to fit inside your motorcycle's fairing. This unit features full range class D topology that delivers exceptional sound quality and excellent thermal efficiency. The unit includes 4 channels that are capable of delivering 100 watts of RMS power per channel, more than enough power take our bikes sound system to the next level. The front channels are designed to power upgraded speakers in your fairing while the rear channels power the humongous 7" x 10" upgraded speakers in your saddlebag lids courtesy of the new speaker lids from Dirty Bird Concepts.

    Key Features

    • Complete System For Replacing Factory Speakers in Harley Davidson Motorcycle Fairings
    • Compatible with 1998-2013 Ultra Classic, Electra Glide, Street Glide, Tri Glide, Road Glide, and Road Glide Ultra Models
    • Uprade Existing Fairing Factory 5.25" Speakers to 6.5" Speakers for Increased Output
    • Replace Existing Hard Saddlebag Lids with Dirty Bird Concepts Custom Speaker Lids
    • Compact Design Enables Installation Anywhere
    • Conformal Coated Printed Circuit Board that Resists Moisture
    • Fixed Crossovers, High and Low Pass Allow Use with Full Range Speakers or Subwoofers
    • Amplifier is Weather Resistant in Accordance with IP66 Rating
    • Speakers Deliver Extended Low Frequency Response
    • Wiring Harness Integrates Directly with Factory Wiring and MUD Amplifier for Easy Installation

    Easy Installation

    Included in the kit is a pair of adapter rings that allow you to upgrade the fairing 5.25" factory speakers to 6.5" speakers that deliver higher output levels and deeper bass and as well as a pair of 7" x 10" speakers for the saddlebag lids . The HDWH4 wiring kit allows the MUD amplifier to be integrated into the factory wiring making installation easy without having to cut into any factory wiring ensuring your warranty stays intact.

    Riders that own a Road Glide or Road Glide Ultra will also need the RGBRACKET that is a custom bracket for mounting the MUD100.4 inside the fairing using existing factory mounting holes.

    Amplifier Specifications
    Channels 4
    Description 4-Channel
    Peak Power (Watts) 400
    4Ω RMS Power Output 50W x 4 Channels
    2Ω RMS Power Output 100W x 4 Channels
    1Ω RMS Power Output NA
    Topology Full Range Class D
    THD <1.0%
    Frequency Response 10Hz - 32kHz
    Crossover Fixed HPF/LPF @ 80Hz, 12dB/Oct
    Max Sensitivity 200mV
    Maximum Input Signal 5V
    Height 6.52"
    Width 5.51"
    Depth 1.86"
    Speaker Specifications
    Size 6.5"
    RMS Power (Watts) 45
    Peak Power (Watts) 90
    Frequency Response 55Hz - 20kHz
    Sensitivity 92dB
    Cone Material Polypropylene
    Woofer Mounting Depth 2.25"