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Rockford Fosgate  HD14-STG3

Stage-3 Speaker and Amplifier Kit for 2014 and Up Harley-Davidson Street Glide and Road Glide (Gen-3)

Item #90941

Condition:   Brand New

Product Highlights

  • Compatible with 2014+ Road Glide & Street Glide models
  • Stage-3 performance upgrade kit
  • Enhances engine power and torque
  • Includes high-performance components
  • Designed for improved ride experience

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

$2,099.99

Reg. Price $2,199.99  Save $100.00
Add Extended Warranty
  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

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Rockford Fosgate HD14-STG3 Stage-3 Speaker and Amplifier Kit for 2014 and Up Harley-Davidson Street Glide and Road Glide (Gen-3)


We are a Rockford Fosgate authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • (2) TMS65 6.5" 2-Way Speakers
  • • TMS69BL14 6"x9" Saddlebag Retrofit Kit
  • • M5-800X4 4-Channel Powersports Amplifier
  • • RFK-HD14M5 Amplifier Kit
  • • Owner's Manual

 


Why Choose Rockford Fosgate HD14-STG3 Motorcycle & Off-Road Speakers?


 

 

Rockford Fosgate HD14-STG3 Motorcycle & Off-Road Speakers Inclusions
More Time Enjoying Premium Sound

Take your motorcycle audio to the next level with our M5 audio kits—the loudest, clearest, and most powerful systems we’ve ever created. With an easy plug-and-play design and high-performance sound built for freeway speeds, you’ll spend less time installing and more time riding with unmatched audio quality.

Unmatched Clarity – Feel Every Beat of Your Ride

Experience high-performance, adrenaline-pumping audio designed for the open road. Our speakers and amplifiers are precision-tuned to cut through wind, road, and exhaust noise, ensuring crystal-clear sound at any speed. Built for durability and peak performance, this system delivers deep bass, crisp highs, and unmatched clarity—so you can feel every beat of your ride.

Rockford Fosgate HD14-STG3 Motorcycle & Off-Road Speakers

 

 

Rockford Fosgate HD14-STG3 Motorcycle & Off-Road Speakers Grilles
Seamless style and performance without modification

RF3 (Rockford Factory Fit and Finish) delivers a seamless, OEM-quality look with audio components designed to match your bike’s factory style. Engineered to exact specifications, these purpose-built systems ensure flawless integration, superior durability, and a sleek, professional appearance—enhancing both style and performance without modification.

Distortion-Free Sound in Any Condition

Built to conquer any road or trail, these rugged, all-weather speakers and amplifiers are engineered to withstand water, dirt, mud, UV rays, and relentless vibrations—ensuring high-performance, distortion-free sound in even the harshest riding conditions.

Rockford Fosgate HD14-STG3 Motorcycle & Off-Road Speakers Amplifier

 

 


Frequently Asked Questions (FAQ)


  • • Why does the sound get weak while riding?
    Wind, engine, and road noise can overpower music at higher speeds. Check amplifier power, gain, speaker placement, and source settings, then adjust the system for clean output without pushing it into clipping.
  • • Why does the sound distort at high volume?
    Distortion can result from excessive gain, source clipping, or insufficient amplifier headroom. Lower the gain and EQ boost, then verify the amplifier provides clean power and is properly matched to the speakers.
  • • Why is one speaker louder than the other?
    Check the source balance, speaker wiring, amplifier channels, and connectors. Swapping the left and right connections can help determine whether the problem follows the speaker, wiring, or amplifier channel.
  • • Can these handle rain and outdoor use?
    They are designed for motorcycle and off-road applications, but proper installation remains important. Secure the speakers, protect electrical connections, and avoid unnecessary exposure to high-pressure water that could damage components.
  • • Why do I hear rattling while riding?
    Rattling can come from loose brackets, mounting hardware, panels, or nearby trim. Check all fasteners and mounting surfaces, then inspect the speaker if the noise remains after tightening the installation.
  • • Why is the bass weaker than expected?
    Motorcycle and off-road speakers have limited low-frequency output compared with a dedicated subwoofer. Check polarity, amplifier settings, mounting, and crossover settings to achieve the strongest bass possible.
  • • Why do the speakers cut out at high volume?
    Cutting out may indicate amplifier protection, overheating, insufficient power, loose wiring, or an unsuitable load. Check the power supply, connections, amplifier temperature, and speaker impedance before continuing at high output.
  • • Do I need an amplifier for better output?
    A compatible source may produce sound, but a properly matched amplifier can provide more output and headroom. This is especially useful on motorcycles and off-road vehicles where engine and road noise are significant.
  • • Why does the sound change after installation?
    Speaker location, mounting conditions, polarity, crossover settings, and amplifier gain can affect the final sound. Recheck the installation and adjust the system controls to match the vehicle and listening environment.
  • • What should I check if there is no sound?
    Check the source, amplifier power, fuses, speaker connections, and signal wiring. Confirm the amplifier receives an audio signal and verify the speaker terminals are secure before testing the system again.

SPECIFICATIONS



FEATURES


Features:

  • TMS65: 6.5" 2-way Element Ready™ speaker with integrated phase-aligned 25mm tweeter
  • Plug-and-Play Design: Easy installation with no modifications required
  • Direct Connect Wiring: Compatible with Harley-Davidson® models for seamless integration
  • Factory Fitment: Kits bolt to factory attachment points for a secure and clean install
  • M5-800X4 Amplifier: 800-watt 4-channel IPX6 Element Ready™ amplifier for powerful sound
  • Harley-Davidson® Boom!™ Box Compatibility: Requires flashing for 4.3, 6.5GT, and GTS models
  • T-Harness with Loop-Thru: Supports Digital Signal Processor (DSR1 sold separately)
  • RATS Certified: Rockford Automated Testing System ensures top-quality performance
  • 90-Degree Harness: Included with amp install kit for Road Glide® models
  • Front/Rear Fader Support: Requires flash update ("Rockford Fosgate 2014+ All Bikes")
  • RFK-HD14M5 Amp Install Kit: Designed for M5-800X4 on 2014+ Harley-Davidson® models
  • Klippel Verified: Ensures the best possible speaker performance
  • TMS69BL14 Saddlebag Retrofit Kit: 6x9” Element Ready™ speakers for factory H-D® PVC bags
  • Custom-Tuned Sound: Designed to be heard clearly over wind, road, and exhaust noise
  • Expandable System: Y-adaptors support additional speakers in lower fairing, saddlebag, or Tour-Pak®

 

Specifications:

TMS65

  • Speaker Type: 2-Way Coaxial
  • Vehicle Compatibility: Harley-Davidson Road Glide (2015+), Harley-Davidson Street Glide (2014+)
  • Voice Coil Diameter: 1.40" (35.56 mm)
  • Power Handling (MAX): 150 Watts
  • Power Handling (RMS): 75 Watts
  • Crossover: Built-in tweeter crossover
  • Mounting Hardware: Included
  • Grille/Trim Ring: Included
  • Frequency Response: 56 Hz - 20 kHz
  • Sensitivity: 94 dB @ 2.83V/1M

 

M5-800X4

  • Number of Channels: 4
  • Total Power: 800 Watts
  • Rated Power (RMS Continuous Power): 100 Watts x 4 @ 4Ω, 100 Watts x 4 @ 2Ω, 200 Watts x 2 @ 4Ω Bridged/Mono
  • Dynamic Power (PVC/PowerCube®): 125 Watts x 4 @ 4Ω, 200 Watts x 4 @ 2Ω, 400 Watts x 2 @ 4Ω Bridged/Mono
  • Bridgeable: Yes
  • Frequency Response: 10 Hz - 50 kHz
  • Input Sensitivity: 150mVrms - 12Vrms
  • Circuit Topology Class: Class-AD
  • Efficiency (Average): >75%
  • Total Harmonic Distortion (THD+Noise): <0.25% THD+N @ 1 Watt
  • Signal Input: Low-Level: 4 RCA, High-Level: (2) 4-Pin Molex
  • Tone Controls: Front/Rear: 0-14dB @ 12.5kHz, Front/Rear: 0-18dB @ 45Hz
  • Crossover Controls: High-Pass: 50 Hz - 250 Hz @ 12dB/Octave Butterworth, Low-Pass: 50 Hz - 250 Hz @ 12dB/Octave Butterworth, All-Pass: Yes
  • Remote Controls: No
  • Visual Indicators: Power: Blue, Protect: Red, Input Clip: Red, Output Clip: Blue/Red
  • Power Wire Gauge: 8 AWG
  • Power Input Connector: Compression Terminal Block
  • Speaker Wire Gauge: 16 AWG
  • Speaker Output Connector: 4-Pin Molex
  • Cooling: Convection
  • Heatsink: Extruded Aluminum
  • Operating Voltage: 9 - 16 VDC
  • Recommended Fuse (Not Included): 80A MAXI (Littelfuse #0299080)
  • Average Current Draw (13.8V Music): 4Ω Stereo: 29 A, 2Ω Stereo: 29 A, 4Ω Bridged: 29 A
  • Max. Current Draw (13.8V Sinewave): 4Ω Stereo: 55 A, 2Ω Stereo: 85 A, 4Ω Bridged: 90 A

 

RFK-HD14M5

  • Battery PWR/GND Gauge: 8 AWG
  • Fuse Size: 60 Amp
  • Dual Amp Installation Kit: No
  • Amplifier PWR/GND Gauge: 8 AWG
  • Speaker Wire Gauge: 16 AWG
  • Fuse Type: MAXI
  • UPC: 780687362492
  • Weight: 15
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.

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Write a review!
  • Great product and sounds. Meet all my expectations.

    Xue Xiong
    7/5/2026

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