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!
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.
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.
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.
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.
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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!
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.
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.
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.
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.
