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Rockford Fosgate TMA-1000X4iDigital 1,000 Watt 4-Channel IPX4 Amplifier for 2024+ Harley-Davidson®
The TMA-1000x4i is a 1,000 watt digital 4-channel amplifier purpose-built for aftermarket audio upgrades on 2024 and newer Harley‑Davidson motorcycles equipped with Skyline OS.
Highlights
- Purpose-Built for 2024+ Harley-Davidson® touring motorcycles
- 2-Year Warranty
- All-in-one compact digital amplifier with built-in DSP and A2B interface
- Premium audio integration with Skyline OS® without external black-boxes
Key specs
Full specs- CTA-2006 Compliant
- Yes
- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 1000 Watts
- Rated Power (RMS Continuous Power)
- CTA-2006 Continuous Power Rating ≤1.0% THD+N 200 Watts x 4 @ 4Ω 200 Watts x 4 @ 2Ω 400 Watts x 2 @ 4Ω Bridged/Mono
- Dynamic Power (PVC/PowerCube®)
- CTA-2006 Dynamic Power Rating 250 Watts x 4 @ 4Ω 300 Watts x 4 @ 2Ω 600 Watts x 2 @ 4Ω Bridged/Mono
- Bridgeable
- Yes
- Frequency Response
- 20 Hz – 20 kHz
- Input Sensitivity
- A2B
Key specs
Full specs- CTA-2006 Compliant
- Yes
- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 1000 Watts
- Rated Power (RMS Continuous Power)
- CTA-2006 Continuous Power Rating ≤1.0% THD+N 200 Watts x 4 @ 4Ω 200 Watts x 4 @ 2Ω 400 Watts x 2 @ 4Ω Bridged/Mono
Highlights
Overview- Purpose-Built for 2024+ Harley-Davidson® touring motorcycles
- 2-Year Warranty
- All-in-one compact digital amplifier with built-in DSP and A2B interface
Overview
The TMA-1000x4i is a 1,000 watt digital 4-channel amplifier purpose-built for aftermarket audio upgrades on 2024 and newer Harley‑Davidson motorcycles equipped with Skyline OS. Its compact, Element‑Ready chassis combines high dynamic power density with weather-resistant protection.
Best for
- Riders upgrading the factory audio on 2024+ Harley‑Davidson motorcycles with Skyline OS who want higher output
- integrated A2B connectivity
- weather resistance
- and onboard DSP.
Key points
- 1,000 watts dynamic power in a compact 4-channel design
- Built-in A2B interface for direct integration with Harley‑Davidson Skyline OS
- Element Ready™ chassis and IPX4 water intrusion rating for exposure to road conditions
- Bluetooth control and integrated DSP for system tuning
- Supports up to 8-speaker systems
- Digital C.L.E.A.N. processing, RF-LINK connectivity, and CTA-2006 compliance
Fit and use
Designed specifically for 2024+ Harley‑Davidson motorcycles with Skyline OS, the TMA-1000x4i integrates via its A2B interface to work with motorcycle audio systems. It provides four amplified channels (up to an 8-speaker configuration) from a compact, weather-resistant chassis suited to the outdoor environment of motorcycle use. This amplifier is sold with the HD24-STG2 and HD24-STG3 installation kits.
What to know
Engineered exclusively for 2024 and newer Harley‑Davidson motorcycles equipped with Skyline OS. The unit carries an IPX4 rating and Element Ready™ protection against water spray, dust and UV exposure typical of motorcycle use—IPX4 does not indicate suitability for submersion. The amplifier is offered only with the HD2…
Highlights
Key features
- Purpose-Built for 2024+ Harley-Davidson® touring motorcycles
- 2-Year Warranty
- All-in-one compact digital amplifier with built-in DSP and A2B interface
- Premium audio integration with Skyline OS® without external black-boxes
- Amplifier has the highest power-to-size density in Rockford Fosgate history
- 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 for clean, reliable sound
- High dynamic power exceeds ratings using our legendary unregulated power supply
- Patented Constant Power™ boosts power up to 25% across varying impedance loads
- High-efficiency Class-D topology reduces load on electrical system
More info
Manufacturer details
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:
Additional details
Loud. Clear. Relentless.
The TMA-1000X4i is a 1,000 Watt 4-channel amplifier purpose-built for aftermarket Harley-Davidson® audio upgrades with support for up to 8-speaker systems. The amplifier features a built-in A2B interface for direct and seamless integration with the Harley-Davidson® Skyline™ OS. IPX4 and Element Ready™ protection allows the amp to withstand the harsh outdoor elements like water spray, dust, and UV rays. Several advances in cooling technology have been combined with our legendary unregulated power supply to deliver high dynamic power output in an unprecedentedly small chassis.
Works Best With:
• RFK-HD24 amp install kit
Technologies
Digital C.L.E.A.N.
Recognition of input/output clip detection with indicator LEDs
Element Ready™ | Motorcycle
Rockford Fosgate’s motorcycle products are fully tested against UV radiation degradation as well as tested to IPX
IPX4 Water Intrusion Rating
Protects from splashing water, no matter the direction.
Bluetooth Control
With Bluetooth® connectivity it’s easy to control your music and take your playlist with you no matter where you
CTA-2006 Compliant
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your
Integrated DSP
The integrated Digital Signal Processor allows all tuning functionality to be performed on-board without requiring
Dynamic Power
Dynamic Power indicates actual, usable power delivered by the amplifier to the speakers when listening to music.
RF-LINK
Communication protocol allowing multiple Rockford Fosgate products to link-up with each other to provide
Patent: 7,994,857
Constant Power
Music and speakers have a dynamic relationship. As the frequency of music varies, so does the impedance of the
Showing the main technologies for this product.
Specs
Specifications
31
| CTA-2006 Compliant | Yes |
| Number of Channels | 4 |
| Total Power (Sum of Rated Power) | 1000 Watts |
| Rated Power (RMS Continuous Power) | CTA-2006 Continuous Power Rating ≤1.0% THD+N 200 Watts x 4 @ 4Ω 200 Watts x 4 @ 2Ω 400 Watts x 2 @ 4Ω Bridged/Mono |
| Dynamic Power (PVC/PowerCube®) | CTA-2006 Dynamic Power Rating 250 Watts x 4 @ 4Ω 300 Watts x 4 @ 2Ω 600 Watts x 2 @ 4Ω Bridged/Mono |
| Bridgeable | Yes |
| Frequency Response | 20 Hz – 20 kHz |
| Input Sensitivity | A2B |
| Circuit Topology Class | Class-A/D |
| Efficiency (average) | 80.3% |
| Total Harmonic Distortion (THD+Noise) | <1.0% THD+N @ Rated Power |
| Signal Input | A2B Digital Bus 4-Pin Molex |
| Signal Output | A2B Digital Bus 4-Pin Molex |
| Tone Controls | TBA |
| Crossover Controls | HIGH-PASS: Adj. Freq. @ 24dB/Octave Butterworth LOW-PASS: Adj. Freq. @ 24dB/Octave Butterworth ALL-PASS: Yes |
| Remote Controls | N/A |
| Visual Indicators | RED SOLID: Normal Operation RED FLASH: Fault ("Active Recovery" Enabled) BLUE SOLID: BLE Connected BLUE FLASH: BLE Activity GREEN FLASH: A2B Activity |
| Power Wire Gauge | 4 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 | 8 – 16 V DC |
| Recommended Fuse (not included) | 60 A MAXI |
| Average Current Draw (13.8V Music) | 27 A |
| Max. Current Draw (13.8V Sinewave) | 76 A |
| Suggested Alternator | Factory Equipped 50 A |
| Included in the Box | (1 ea) TMA-1000X4i Amplifier (1 ea) ER5N Power Connector |
| Dimensions (H x W x D) | 1.92" x 4.39" x 8.56" (48.85 mm x 111.54 mm x 217.46 mm) |
| Shipping Weight | 4 Lbs. (1.8 Kg) |
What's in the box
| Qty | Part number | Item details |
|---|---|---|
| 1 ea | TMA-1000X4I | Amplifier |
| 1 ea | — | ER5N Power Connector |
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Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
Popular Questions
No FAQs available
Compatibility
YESModel IS compatible |
NOModel NOT compatible |
NOT AVAILABLEModel not produced this year |
|---|
REQUIREDSkyline™ OS |
NOHarley-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.
Videos
TMA-1000X4i | Product Launch
Engineered to be loud, clear, and relentless, the new 2024+ audio kits deliver perfectly balanced sound—rich mids, strong bass, and ultra-sharp highs.
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