Rockford Fosgate HD9813SG-STG3 Street Glide & Electra Glide Stage-3 Kit for Harley-Davidson 1998-2013 (Gen-3)
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What's Inside?
- • (2) 6.5" Fairing Speakers
- • (2) 6x9" Saddlebag Speakers
- • 800W 4-Channel Amp
- • Amp Installation Kit
- • Owner's Manual
Built for Riders Who Want Serious Sound on the Road
If you’re rolling a Batwing fairing Harley from 1998 to 2013 and you’re tired of weak, washed-out factory audio, the Rockford Fosgate HD9813SG-STG3 is the kind of upgrade that instantly changes the ride. This isn’t just a speaker swap, it’s a full 4-channel high-output motorcycle audio system designed to hit hard even at highway speed. With up to 100 watts RMS per channel, you get clean, powerful sound that actually keeps up when the wind and throttle are working against you.
Power That Stays Clean, Even When You Push It
At the heart of this system is a Class-AD four-channel amplifier platform built for efficiency and output. It delivers strong, stable power without draining your bike’s electrical system, which matters when you’re running long distances. The built-in CLEAN setup makes tuning simple with clip indicators that guide you to distortion-free gain settings. No guessing, no extra gear, just dial it in and ride.
Weather Proof, Road Proof, Life Proof Audio Gear
This system is built like it expects bad weather and rough roads, because it does. With Element Ready engineering, IPX6 sealing, marine-grade coatings, and corrosion-resistant hardware, it shrugs off rain, dust, vibration, and UV exposure. Add in MEHSA 4 cooling and DSM surface-mount tech, and you get an amplifier that stays cool and consistent even when you’re pushing it for hours on end.
Full Touring Sound Package with Smart Control
You’re not just getting an amp here. You’re getting a complete touring setup with 6.5 inch fairing speakers and 6x9 saddlebag lid speakers tuned for high output clarity. Adjustable crossovers, Punch EQ bass and treble shaping, and preset audio optimization modes make it easy to fine-tune your sound. The heavy-duty 8-gauge OFC wiring kit with inline protection ties it all together for a clean, reliable install that’s ready to ride.
Frequently Asked Questions (FAQ)
- • Why Does My Stage 3 System Sound Different After Changing the Radio Settings?
The HD9813SG-STG3 is designed around Rockford's specific amplifier and speaker tuning. Changing EQ or other settings can move the system away from its intended response, and Rockford warns that altering its recommended tuning can contribute to poor performance or speaker failure.
- • Why Are My Saddlebag Speakers Not Working After Installation?
If the fairing speakers work but the 6×9 saddlebag speakers do not, inspect the rear speaker harness, Y-adapters, speaker terminals, and amplifier connections. The kit uses dedicated wiring for the four-speaker configuration, so one missed connection can leave the rear pair silent.
- • Why Doesn't the Saddlebag Speaker Cutout Match My Lid?
The 6×9 saddlebag speakers are intended for ABS plastic factory lids, not fiberglass lids. Installation templates are included for the cutouts, but the exact lid construction should be confirmed before making any modifications.
- • Why Is My System Louder on One Side?
A left/right imbalance can come from speaker polarity, a loose connector, damaged wiring, or an amplifier-channel problem. Swap the left and right speaker connections temporarily to determine whether the issue follows the speaker or remains with the amplifier channel.
- • Why Does the Audio Become Harsh When I Turn It Up?
Excessive amplifier gain or an incorrect preset can cause clipping and harshness. Rockford's tuning guide provides dedicated presets for the HD9813SG-STG3 with the M5-800X4 and TMS speakers, so the system should be configured according to that combination.
- • Why Does My Music Sound Weak Compared With Other Motorcycle Systems?
The kit is engineered for highway listening, but the final result still depends on proper tuning and installation. Rockford specifically designed the speakers to overcome wind, road, and exhaust noise, so weak output should first be investigated through the amplifier settings, radio configuration, and wiring.
- • Why Does the System Cut Out When I Ride Over Rough Roads?
Motorcycle vibration can expose a connector or mounting connection that is not fully secure. Check the amplifier power and ground, speaker harnesses, battery connections, and terminals if the audio disappears specifically after bumps or rough pavement.
- • Why Does My Factory Radio Need to Be Flashed?
When the HD9813SG-STG3 is used with the factory Harley radio, Rockford's installation documentation requires the radio to be properly flashed. The correct factory-radio configuration is important because the amplifier and speakers rely on the appropriate audio signal and tuning.
- • Why Is the Installation More Complicated Than I Expected From a Plug-and-Play Kit?
Although the system uses direct-connect harnesses and factory mounting points, installation still requires careful routing, amplifier mounting, speaker installation, and system testing. Crutchfield customers specifically asked about the saddlebag cutting process, with the included templates used to make the 6×9 openings.
- • Why Doesn't My Tour-Pak Speaker Installation Work Like the Main Four Speakers?
The HD9813SG-STG3 can be expanded using its included Y-adapters, but Rockford notes that Tour-Pak speakers are not 100% plug-and-play and may require a workaround. Confirm the expansion configuration before connecting additional speakers to avoid an incorrect load or tuning setup.
Features:
- Harley-Davidson Touring Stage Audio Expansion Kit: delivers a complete 4-channel high-output motorcycle sound solution engineered for select 1998–2013 Batwing fairing platforms
- High-Output Four-Channel Amplification Platform: utilizes the M5-800X4 Class-AD amplifier delivering up to 100W RMS per channel with optimized efficiency and reduced current draw for motorcycle electrical systems.
- Element Ready Environmental Protection Design: built with IPX6-rated sealing, marine-grade epoxy-coated circuitry, and corrosion-resistant hardware for reliable performance in rain, dust, vibration, and UV exposure.
- Advanced Thermal and Signal Efficiency Architecture: integrates MEHSA 4 cooling technology and DSM surface-mount engineering to maintain low operating temperatures and stable audio output under sustained load.
- Intelligent System Calibration with CLEAN Setup: features input/output clip indicators that simplify gain matching and eliminate distortion without requiring external tuning equipment.
- Integrated PRESET Audio Optimization Mode: automatically adjusts crossover points, gain structure, and EQ tuning when paired with compatible Rockford Fosgate configurations for faster installation.
- Fully Adjustable Crossover and Sound Shaping Control: provides variable 50Hz–250Hz crossover filters with selectable high-pass, low-pass, or full-range modes and integrated Punch EQ bass or treble enhancement.
- Premium Speaker Package for Touring Applications: includes 6.5-inch fairing coaxial speakers and 6x9-inch saddlebag lid speakers engineered with weather-resistant materials and Klippel-verified motor precision for high-output clarity.
- Vehicle-Specific Harley-Davidson Compatibility Engineering: designed for Batwing-equipped Street Glide and Electra Glide models, with saddlebag speaker compatibility limited to ABS lids and select factory configurations.
- Heavy-Duty 8-Gauge OFC Wiring Integration Kit: includes pre-terminated oxygen-free copper power, ground, and signal harnesses with inline 60A protection for clean and reliable electrical installation.
- Flexible Installation and System Bridging Capability: supports multi-channel or bridged output configurations, allowing expanded power distribution depending on speaker layout and tuning preference.
Specifications:
- Speaker Qty: 4
- Amplifier Type: External
- Total Power: 800 Watts
- Grille/Trim Ring Included: Yes
- Mounting Hardware: Yes
- Included In The Box
- (1 pr) TMS6SG
- (1 ea) TMS69BL9813
- (1 ea) M5-800X4
- (1 ea) RFK-HD9813M5
- UPC: 780687362591
- Weight: 29
- 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.
