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Rockford Fosgate Stage 3 HD24-STG3

Stage 3 Audio System Upgrade Kit for select 2024-2025 vehicles from Harley Davidson with 6.5" Speakers, 6x9" Saddlebag Kit and 4-Channel Amplifier

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• Includes a pair of 6.5" speakers, one 6x9" saddlebag speaker kit, one 4-channel amplifier and an amp wiring kit
• Direct fit for select 2024-2025 vehicles from Harley Davidson
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

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Description


Rockford Fosgate brand icon

Authorized dealer


Rockford Fosgate HD24-STG3


Performance Engineered

Each component of the Stage-3 kit is meticulously engineered for peak performance. The 6.5” and 6x9 speakers feature a heat-resistant motor structure and radiator ring that efficiently dissipate heat, ensuring consistent, powerful sound even under the most demanding conditions. Complementing the speakers, the 1000-watt digital amplifier delivers robust performance and is future-ready for expanding your system with additional speakers.


Plug and Play Design

Stage-3 delivers a complete plug-and-play solution in a single box, featuring direct-fit, model-specific 6.5” and 6x9” speakers, amplifier mounting plates, a saddlebag installation kit, and grilles. Engineered for seamless integration with the Skyline OS Harley-Davidson infotainment system — it requires no radio flashing — making installation straightforward and hassle-free.


Precision-Tuned

Featuring long-throw woofers for high output and deep, extended low-end response, these speakers deliver powerful yet balanced sound. The large voice coil and extended frequency range enhance bass output, ensuring louder, more dynamic, and long-lasting performance.


Total Control

With the RF Connect app, tuning your system is as easy as tapping your screen. Connect to the amplifier via Bluetooth to instantly load a DSP tune matched to your exact Rockford Fosgate motorcycle audio kit. You can also fine-tune your ride by adjusting gain and crossover settings digitally, customizing your sound, your way, all from your smartphone.


Element Ready

Purpose-built for the harsh motorcycle environment, this kit includes watertight, grommeted installation harnesses with OEM-style and Deutsch™ DT connectors. Designed to withstand water, dirt, UV exposure, and constant vibration, it ensures long-lasting, reliable audio performance.


Product Details:

  • System includes one pair of 6.5" speakers, one 6x9" saddlebag speaker kit, one 4-channel amplifier and an amp wiring kit
  • Also includes amplifier installation kit and mounting hardware
  • Designed to match and complement the factory fit and finish of your vehicle
  • Plug and Play design for easy installation, no drilling or cutting required
  • Eliminates the need to "flash" your radio
  • Bluetooth connectivity for easy wireless setup
  • Interactive tuning via RF Connect app for iPhone/iOS and Android
  • Quick connection to factory wiring with Molex MX150 connectors
  • Full Spec Cable meets or exceeds AWG (American Wire Gauge) requirements
  • One-time removal of gas tank and fairing streamlines future upgrades
  • Estimated Installation Time: (3) Full hours typical
  • Authorized Internet Dealer
  • 2 Year Manufacturer's Warranty
  • Compatible with select 2024-2025 vehicles from Harley Davidson

Rockford Fosgate TMS24-65 6.5" Midrange Motorcycle Speaker Details:

  • Power Handling:
    • Peak: 600 watts per pair / 300 watts each
    • RMS: 300 watts per pair / 150 watts each
  • CEA-2031 compliant
  • Curvilinear Polypropylene cone material
  • Santoprene speaker VAST surround
  • 1.5" vented voice coil on Kapton former
  • Element Ready design to withstand the harsh outdoor environment
  • Precision-tuned, long throw, high output design
  • Extended frequency range for increased low-end response
  • Direct fitment for seamless upgrades in factory mounting locations
  • 10% carbon-fill for ideal stiffness and damping
  • Breathable, durable Poly-Nomex spider resists moisture and wear
  • UV-stable Domamid PA66 composite basket with reinforced 30% glass fiber
  • 2nd order crossover for high-frequency clarity, reliability, and listening comfort
  • ICC (Integrated Concealed Crossover) eliminates external black boxes
  • Braided stitched tinsel leads resist fatigue, corrosion, and breakage
  • Corrosion-resistant tin-plated terminals fit Harley-Davidson female spades
  • Dual Neodymium magnet motor structure
  • Integrated motor cover prevents valuables in saddle bag from heat damage
  • Impedance: 4-ohms
  • Frequency Response: 50 - 20000 Hz
  • Sensitivity: 90.6 dB
  • Speaker grilles and trim rings included
  • MFR: TMS24-65

Rockford Fosgate HD24BL69 6x9" Saddlebag Cut-in Speaker Kit Details:

  • Includes a pair of Rockford Fosgate TMS24-69 motorcycle speakers
  • Power Handling:
    • Peak: 600 watts per pair / 300 watts each
    • RMS: 300 watts per pair / 150 watts each
  • CEA-2031 compliant
  • Curvilinear Polypropylene cone material
  • Santoprene speaker VAST surround
  • 1.5" vented voice coil on Kapton former
  • Element Ready design to withstand the harsh outdoor environment
  • Precision-tuned, long throw, high output design
  • Extended frequency range for increased low-end response
  • Direct fitment for seamless upgrades in factory mounting locations
  • Precision template with ribbed design for accurate cuts using jig or air saws
  • Top-loading bucket saddlebag speaker-mount with self-centering backer ring
  • Top-load design keeps speaker mounted higher to preserve saddlebag space
  • Top mount assembly creates a stable foundation to reduce loss of acoustic energy
  • U-channel formed by mating top bucket and backer ring fight water intrusion
  • Gasketed screws thread into brass inserts for increased seal and rigidity
  • Grille with custom side badge finish follows compound bag-lid lines
  • Speaker grille secures to bucket using four rubber O-rings for better sealing
  • Watertight harness protection using Molex MX150 & Deutsch DT connections
  • Integrated motor cover prevents valuables in saddle bag from heat damage
  • Impedance: 4-ohms
  • Frequency Response: 50 - 20000 Hz
  • Sensitivity: 90.6 dB
  • Speaker grilles and trim rings included
  • MFR: HD24BL69

Rockford Fosgate TMA-1000X4i 4-Channel Amplifier:

  • Class-D 4-Channel IPX4 Amplifier
  • Power Specifications
    • 4 ohm: 200 watts x 4 channel
    • 2 ohm: 200 watts x 4 channel
    • Bridged: 200 watts x 2 channel @ 4 ohm
  • Total RMS power output: 800 watts
  • Premium audio integration with Skyline OS
  • Full-featured digital signal processor
  • Bluetooth connectivity for easy wireless setup
  • Interactive tuning via RF Connect app for iOS and Android
  • Precision digital settings eliminate wear and distortion
  • High dynamic power exceeds ratings
  • ER5N power connector increases contact area
  • Industrial grade O-rings for protection
  • RGB top logo offers real-time status display
  • Digital A2B 4-pin Molex signal input and signal output
  • Frequency Response: 20 - 20000 Hz
  • Total Harmonic Distortion (THD): 0.10%
  • Variable low-pass filter: 50 - 250 Hz
  • Variable high-pass filter: 50 - 250 Hz
  • MFR #: TMA-1000X4i

Rockford Fosgate RFK-HD24 Amplifier Installation Kit:

  • 8-gauge amplifier installation wiring kit
  • Plug and play design
  • Battery power/ground: 8-gauge
  • Amplifier power/ground: 8-gauge
  • Fuse Size/Type: 60 amp / Maxi
  • Includes amplifier mounting plate, rear output harness, power harness
  • Includes A2B and speaker harness and AP Pack
  • Includes Hex Bolt, 1/4-20 x 0.75, countersink and Steel Bolt, M4 x 14mm, Cable Tie
  • MFR #: RFK-HD24

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 1973 Ford Bronco is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


Package Specifications
Series
Stage 3 Series
Compatible vehicle types
Motorcycle
Included Components
Car Amplifier
Pair of Speakers in Custom-Fit Enclosures
Pair of Fairing Speakers
Marine Certified
No
Speaker Specs & Details
Speaker specs and details
Pair of 6.5" Speakers, and a 6x9" Saddlebag Kit
Number of Speakers
4
Illumination
None
Speaker Grilles
Yes
Amplifier Specs & Details
Amplifier specs and details
Class D 4-Channel Powersports Amplifier
Number of Channels
4-Channel
Total Peak Power Output
1000 watts
Total RMS Power Output
800 watts
Amplifier Class
D
Other Component Specs and Details
Other Component Details
Amplifier Installation Kit
Warranty and Return Policy
Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

HD24-STG3

Weight:

35.00lbs

Internal SKU:

hd24stg3

Internal Product ID:

224278

Customer Ratings & Reviews


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.