Element Ready™ | Motorcycle
All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion & Vibration.
Amp Installation Kit for 2024+ Harley-Davidson RFK-HD24
Amp Installation Kit for 2024+ Harley-Davidson RFK-HD24
The RFK-HD24 is an aftermarket amplifier installation kit designed specifically for the Rockford Fosgate TMA-1000X4i amplifier. The system features an Skyline™ OS interface connector, amp mounting plate for Road Glide and Street Glide, and a complete plug-and-play wiring harness for uncompromising precision with a true plug-and-play system. This installation kit is only sold with the HD24-STG2 & HD24-STG3 kit.
Plug and Play Design: A true plug-and-play solution in a single box, complete with direct fit model-specific amplifier mounting plate. Designed to seamlessly integrate with the Harley-Davidson® Skyline™ OS — eliminating the need to flash the radio — making installation truly effortless.
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.
Compatibility Chart: Please review compatibility tab for fitment before purchase.
2024+ Stage-3 | Launch
2024+ Stage-3 | Overview
2024+ Stage-3 | Installation
2024+ Stage-3 | Tuning Guide
Download RF CONNECT™ to setup the amplifier:
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Overview
Loud. Clear. Relentless.
The RFK-HD24 is an aftermarket amplifier installation kit designed specifically for the Rockford Fosgate TMA-1000X4i amplifier. The system features an amp mounting plate for Road Glide and Street Glide, and a complete plug-and-play wiring harness for uncompromising precision with a true plug-and-play system.
Components:
• (1) Amp mounting plate
• (1) Skyline™ OS connector
• (1) Complete wiring harness
• (1) Power/ground harness
• Mounting hardware
FEATURES AT A GLANCE
- Purpose-Built for 2024+ Harley-Davidson® touring motorcycles
- 2-Year Warranty
- Supports up to 8-speaker audio systems
- Designed for use with TMA-1000X4i amplifier
- Cast aluminum amp bracket has provisions for Street Glide and Road Glide
- Element Ready™ to withstand the harsh outdoor environment like dust, water, and UV rays
- Quick connection to factory wiring with Molex MX150 connectors
- Plugs directly into factory A2B connector to facilitate quick amp upgrade
- Connects amplifier output directly to existing factory speaker wiring
- Harness includes expansion for lower fairing, Tour-Pak® and saddlebags
- One-time removal of gas tank and fairing streamlines future upgrades
- ER5N power connector increases contact area for improved current transfer
- Cables use 100% pure crystal-oxygen free copper (PC-OFC)
- Full Spec Cable meets or exceeds AWG (American Wire Gauge) requirements
- Plug-and-Play design for easy installation
Videos
HD24-STG3 | Product Launch
Engineered to be loud, clear, and relentless, the Stage-3 Audio Kit delivers perfectly balanced sound—rich mids, strong bass, and ultra-sharp highs.
HD24-STG3 | Product Overview
Engineered to be loud, clear, and relentless, the next generation of motorcycle audio kits from Rockford Fosgate are here. This Stage-3 kit delivers perfectly balanced sound—rich mids, strong bass, and ultra-sharp highs.
HD24-STG2 & STG3 | Installation
We’ll walk you through the installation process for our new aftermarket Stage-2 and Stage-3 audio systems for 2023.5 and newer Harley-Davidson models with the newer Skyline™ OS.
Technologies
Performance Engineered
Rooted in a legacy of American innovation, our products are proudly designed and developed in Tempe, Arizona, reflecting decades of expertise.
CTA-2015
Rockford Fosgate cables conform to the CTA-2015 industry standard. The standard specifies the exact amount of …
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CTA-2015
Rockford Fosgate cables conform to the CTA-2015 industry standard. The standard specifies the exact amount of copper needed to indicate a specific wire diameter or gauge size (8 AWG, 4 AWG, etc). Some manufacturers substitute thicker insulation for copper. With Rockford Fosgate, you get exactly what you pay for.
Includes Fused Dist.
This amplifier kit includes fused distribution. It utilizes a stand-alone fuse holder that can be installed …
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Includes Fused Dist.
This amplifier kit includes fused distribution. It utilizes a stand-alone fuse holder that can be installed in a convenient location.
Includes Power Wire
This amplifier kit includes power wire by including necessary cable for both B(+) and GND(-) connections. …
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Includes Power Wire
This amplifier kit includes power wire by including necessary cable for both B(+) and GND(-) connections. Additionally, amplifier kits include remote turn-on power wire. All cables in this kit conform to the CEA-2015 AWG specification.
Water Resistant
IPX Ratings allow for the components to be directly sprayed with water without ingress.
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Water Resistant
IPX Ratings allow for the components to be directly sprayed with water without ingress.
Corrosion Protection
Components are tested for salt spray corrosion resistance.
Stainless Hardware
Stainless hardware is used to its natural resistance to corrosion and rusting. This ensures electrical connections …
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Stainless Hardware
Stainless hardware is used to its natural resistance to corrosion and rusting. This ensures electrical connections will not degrade over time due to exposure to the elements.
Specifications
Battery PWR/GND Gauge
8 AWG
Amplifier PWR/GND Gauge
8 AWG
Fuse Size
60 Amp
Fuse Type
MAXI
Dual Amp Installation Kit
No
In The Box
(1 ea) 1415-80570-01 Amp Mounting Plate
(1 ea) 1560-80703-01 Rear Output Harness
(1 ea) 1560-80704-01 Power Harness
(1 ea) 1560-80705-01 A2B & Speaker Harness
1130-80764-01 AP Pack
• (4) Hex Bolt, 1/4-20 x .75, countersink
• (4) Steel Bolt, M4 x 14mm
• (10) Cable Tie, 4.8mm x 200mm
(1 ea) 1560-80703-01 Rear Output Harness
(1 ea) 1560-80704-01 Power Harness
(1 ea) 1560-80705-01 A2B & Speaker Harness
1130-80764-01 AP Pack
• (4) Hex Bolt, 1/4-20 x .75, countersink
• (4) Steel Bolt, M4 x 14mm
• (10) Cable Tie, 4.8mm x 200mm
Shipping Weight
3.5 Lbs. (1.59 Kg)
Compatibility
YES Model IS compatible |
NO Model NOT compatible |
NOT AVAILABLE Model not produced this year |
|---|
REQUIRED Skyline™ OS |
NO Harley-Davidson® AudioSKY1/2/3 |
|---|
 MODEL |
CHASSIS |
2023 |
2024 |
2025 |
|---|---|---|---|---|
 Road Glide® |
FLTRX | X | ✅ | ✅ |
 Road Glide® ST |
FLTRXST | X | — | — |
 Road Glide® Special |
FLTRXS | X | — | — |
 Road Glide® Special 120th Anniversary |
FLTRXSANV | X | — | — |
 Street Glide® |
FLHX | X | ✅ | ✅ |
 Street Glide® ST |
FLHXST | X | — | — |
 Street Glide® Special |
FLHXS | X | — | — |
 Street Glide® Special 120th Anniversary |
FLHXSANV | X | — | — |
| MODEL |
CHASSIS |
2023 |
2024 |
2025 |
|---|---|---|---|---|
 Electra Glide Highway King |
FLHFB | X | — | — |
 Road King® Special |
FLHRXS | X | X | X |
| MODEL |
CHASSIS |
2023 |
2024 |
2025 |
|---|---|---|---|---|
 Road Glide® Limited |
FLTRK | X | X | — |
 Street Glide® Ultra |
FLHXU | — | — | ✅ |
 Ultra Limited |
FLHTK | X | X | — |
 Ultra Limited 120th Anniversary |
FLHTKANV | X | — | — |
 Ultra Limited Shrine Edition |
FLHTK | X | — | — |
| MODEL |
CHASSIS |
2023 |
2024 |
2025 |
|---|---|---|---|---|
 CVO Road Glide® |
FLTRXSE | ✅SKY2 | ✅SKY2 | ✅SKY2 |
 CVO™ Road Glide® RR |
FLTRXRRSE | — | — | ✅ |
 CVO Road Glide® ST |
FLTRSXTSE | — | ✅SKY2 | ✅SKY2 |
 CVO Road Glide® Limited 120th Anniversary |
FLTRKSEANV | XRF1 | — | — |
 CVO Street Glide® |
FLHXSE | ✅SKY2 | ✅SKY2 | ✅SKY2 |
| MODEL |
CHASSIS |
2023 |
2024 |
2025 |
|---|---|---|---|---|
 Freewheeler® |
FLRT | XNR | XNR | XNR |
 Road Glide 3 |
FLTRT | X | X | X |
 Tri Glide® Ultra Classic® |
FLHTCUTG | X | X | X |
 Tri Glide® Ultra 120th Anniversary |
FLHTCUTGANV | X | — | — |
GRAY TEXT
indicates nomenclature used on some early models and later inherited.
2
H-D® Power Lock on factory Harley-Davidson bags are compatible.
3
Saddlebags must be factory Harley-Davidson® ABS plastic to insure proper fitment with bag-lid and subwoofer kits.
Fiberglass saddlebags and lids are not compatible. Color matched speaker lids are not compatible.
4
Stretched Saddlebags not optimized for kits with subwoofers. Contact technical support for suggested harness brace.
5
Tour-Pak® must be detached in order to install and remove subwoofer enclosures.
NR
No Radio equipped from factory.
RF1
RF Stage I: Not upgradable. Factory equipped with "Harley-Davidson Audio Powered by Rockford Fosgate" 2-way speakers and saddlebag amplifier.
RF2
RF Stage II: Not upgradable. Factory equipped with "Harley-Davidson Audio Powered by Rockford Fosgate" 3-way speakers and saddlebag amplifier.
SKY1
Skyline RF Stage I: Factory equipped with Skyline OS and "Harley-Davidson Audio Powered by Rockford Fosgate" 2-way speakers and 500W primary amplifier.
This system replaces and is not designed to be used with factory equipped audio.
Models with factory Harley-Davidson® Saddlebag Speaker Lids will also require TMS24-69 speakers.
SKY2
Skyline RF Stage II: Factory equipped with Skyline OS and "Harley-Davidson Audio Powered by Rockford Fosgate" 3-way speakers and 500W primary amplifier.
This system replaces and is not designed to be used with factory equipped audio.
Models with factory Harley-Davidson® Saddlebag Speaker Lids will also require TMS24-69 speakers.
SKY3
Skyline RF Stage III: Factory equipped with Skyline OS and "Harley-Davidson Audio Powered by Rockford Fosgate" 3-way high-output speakers and 500W primary amplifier.
This system replaces and is not designed to be used with factory equipped audio.
Models with factory Harley-Davidson® Saddlebag Speaker Lids will also require TMS24-69 speakers.
— Boom!™ is a Trademark of Harley-Davidson USA, Inc.
— Harley-Davidson®, H-D®, Road King®, Road Glide®, Street Glide®, Ultra Classic®, Tri Glide®, Freewheeler®, and Tour-Pak® are Registered Trademark of Harley-Davidson USA, Inc.
— SiriusXM® is a Registered Trademark of Sirius XM Radio Inc.
Support
Knowledge Base Articles
- Keep Your Harley-Davidson IFCU Updated
- 2024 TMA-1000X4i digital amp for Harley-Davidson - owner's manual
Show all Knowledge Base topics
Ask Our Experts
Return Authorization
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.
Popular Questions
2023.5+ Skyline OS Awareness Statement
Updated Software Ensures Performance
Your Harley-Davidson® motorcycle was built to deliver more than just the ride; it’s designed to provide an elevated experience powered by advanced technology. To ensure you’re getting the best performance, compatibility, and features from your bike and our products, it’s essential to keep your Infotainment Control Unit (IFCU) updated with the latest software.
Running outdated software may limit functionality, reduce performance, and keep you from unlocking the full potential of your Rockford Fosgate motorcycle audio system. Staying current ensures you enjoy the smoothest integration with our equipment and the most advanced features available.
What is the IFCU?
The Harley-Davidson® Infotainment Control Unit (IFCU) is the digital dashboard system introduced on select 2023.5 and newer CVO and Touring models. Powered by Skyline OS, it replaces the older “BOOM! Box™” infotainment system with a modern, fully digital display that brings riders enhanced control, seamless connectivity, and a smarter riding experience.
Minimum Version
- Ensure the IFCU software version ends in either 2237 or 4125.
- Always use the most recent software version, even if it's greater than the above versions.
Why Updates Matter
- Peak Performance – ensures your bike and equipment work at their absolute best
- Full Compatibility – unlocks seamless integration with the latest accessories and upgrades
- Future-Ready – stay aligned with Harley-Davidson’s evolving technology ecosystem
Stay Updated. Ride Smarter. Experience More.
Accessories
Complete Your System
Rockford Fosgate products are built to work together seamlessly for the ultimate experience.
+
Digital 1,000 Watt 4-Channel IPX4 Amplifier for 2024+ Harley-Davidson®
TMA-1000X4iIntroducing the all-new TMA-1000x4i Digital Amplifier, where uncompromising precision meets relentless power. Engineered exclusively for 2024 and newer Harley-Davidson® motorcycles equipped with Skyline® OS, this amplifier redefines motorcycle audio performance. Packing 1,000 watts of power into a compact, Element-Ready™ chassis, the TMA-1000x4i is built to dominate on the open road. No radio flashing. No hassle. Just seamless integration, Bluetooth® connectivity, and refined output. This amplifier is only sold with the HD24-STG2 & HD24-STG3 kit.
Relentless Power: Delivering 1,000 watts of dynamic power, the TMA-1000x4i Digital Amplifier is built for serious performance. At its core is a high-efficiency flat wire power transformer that boosts power density, giving you more output in a smaller footprint. Its dual-tier heatsink design takes thermal management to the next level, keeping it cool under pressure, so the power never quits, no matter how hard you push it.
Direct Digital Integration: Engineered for 2024 and newer Harley-Davidson® motorcycles with Skyline® OS, the TMA-1000x4i integrates seamlessly via a direct A2B digital input using our proprietary RF Link communication system. That means full power, zero hassle and no need to flash the factory infotainment. Just connect and ride.
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 amplifier is designed to stand up to water, dirt, UV, and motorcycle vibration, ensuring that your audio will stand the test of time.
Compatibility Chart: Please review compatibility tab for fitment before purchase.
TMA-1000X4i Amplifier | Launch
TMA-1000X4i Amplifier | Overview
TMA-1000X4i Amplifier | Installation
Download RF CONNECT™ required to setup the amplifier:
Click to explore some of the products that work best.
-
TMA-1000X4I
Digital 1,000 Watt 4-Channel IPX4 Amplifier for 2024+ Harley-Davidson®
Introducing the all-new TMA-1000x4i Digital Amplifier, where uncompromising precision meets relentless power. Engineered exclusively for 2024 and newer Harley-Davidson® motorcycles equipped with Skyline® OS, this amplifier redefines motorcycle audio performance. Packing 1,000 watts of power into a compact, Element-Ready™ chassis, the TMA-1000x4i is built to dominate on the open road. No radio flashing. No hassle. Just seamless integration, Bluetooth® connectivity, and refined output. This amplifier is only sold with the HD24-STG2 & HD24-STG3 kit.
Relentless Power: Delivering 1,000 watts of dynamic power, the TMA-1000x4i Digital Amplifier is built for serious performance. At its core is a high-efficiency flat wire power transformer that boosts power density, giving you more output in a smaller footprint. Its dual-tier heatsink design takes thermal management to the next level, keeping it cool under pressure, so the power never quits, no matter how hard you push it.
Direct Digital Integration: Engineered for 2024 and newer Harley-Davidson® motorcycles with Skyline® OS, the TMA-1000x4i integrates seamlessly via a direct A2B digital input using our proprietary RF Link communication system. That means full power, zero hassle and no need to flash the factory infotainment. Just connect and ride.
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 amplifier is designed to stand up to water, dirt, UV, and motorcycle vibration, ensuring that your audio will stand the test of time.
Compatibility Chart: Please review compatibility tab for fitment before purchase.
TMA-1000X4i Amplifier | Launch
TMA-1000X4i Amplifier | Overview
TMA-1000X4i Amplifier | Installation
Download RF CONNECT™ required to setup the amplifier:
Click to explore some of the products that work best.
TMA-1000X4I
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