Rockford Fosgate Sound Upgrade Kits
Upgrade your factory audio system with Rockford Fosgate sound upgrade kits engineered for improved clarity, stronger bass, and enhanced overall performance. Designed for vehicle-specific audio upgrades and easy integration. Pair with Rockford Fosgate or browse Car Speakers.
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Rockford Fosgate
Rockford Fosgate HD9813SGU-STAGE2 Source Unit, 4-Speaker and Amplifier Stage 2 Kit for 1998-2013 Harley-Davidson Electra Glide Ultra Classic
- Price
- $4,499
Rockford Fosgate
Rockford Fosgate HD9813SGU-STAGE1 Source Unit and 4-Speaker Stage 1 Kit for 1998-2013 Harley-Davidson Electra Glide Ultra Classic
- Price
- $3,149
Rockford Fosgate
Rockford Fosgate HD9813SG-STG3 Stage 3 Speaker and Amplifier Kit for 1998-2013 Harley-Davidson Street Glide and Electra Glide
- Price
- $5,249
Rockford Fosgate
Rockford Fosgate HD9813SG-STG2 Stage 2 Speaker and Amplifier Kit for 1998-2013 Harley-Davidson Street Glide and Electra Glide
- Price
- $3,999
Rockford Fosgate
Rockford Fosgate HD9813RGU-STAGE3 Source Unit, 6-Speaker and Amplifier Stage 3 Kit for 1998-2013 Harley-Davidson Road Glide Ultra
- Price
- $5,999
Rockford Fosgate
Rockford Fosgate HD9813RGU-STAGE2 Source Unit, 4-Speaker and Amplifier Stage 2 Kit for 1998-2013 Harley-Davidson Road Glide Ultra
- Price
- $4,499
Rockford Fosgate
Rockford Fosgate HD9813RG-STG3 Stage 3 Speaker and Amplifier Kit for 1998-2013 Harley-Davidson Road Glide
- Price
- $5,269
Rockford Fosgate
Rockford Fosgate HD9813RGU-STAGE1 Source Unit and 4-Speaker Stage 1 Kit for 1998-2013 Harley-Davidson Road Glide Ultra
- Price
- $3,149
Rockford Fosgate
Rockford Fosgate HD9813RG-STAGE2 Source Unit, 2-Speaker and Amplifier Stage 2 Kit for 1998-2013 Harley-Davidson Road Glide
- Price
- $3,979
Rockford Fosgate
Rockford Fosgate HD14U-STAGE2 2014+ Harley-Davidson® Road Glide® Ultra & Electra Glide® Ultra Classic® 4-Speaker & Amp Kit (Gen-2)
- Price
- $3,169
Rockford Fosgate
Rockford Fosgate HD14RK-STAGE2 2-Speaker and Amplifier Stage 2 Kit for 2014+ Harley-Davidson Road King
- Price
- $2,949
Rockford Fosgate
Rockford Fosgate HD14CVO-STAGE3 2014+ Harley-Davidson® Road Glide® CVO® & Street Glide® CVO 6 Speaker & Amp Kit (Gen-2)
- Price
- $3,969
Rockford Fosgate
Rockford Fosgate HD14CVO-STAGE2 2014+ Harley-Davidson® Road Glide® CVO & Street Glide® CVO 4 Speaker & Amp Kit (Gen-2)
- Price
- $3,139
Frequently Asked Questions
Rockford Fosgate sound upgrade kits are designed to enhance a vehicle's factory audio system with compatible aftermarket audio components.
A Rockford Fosgate car audio upgrade can improve factors such as sound clarity, speaker performance, bass response and overall audio output, depending on the kit.
Some Rockford Fosgate sound upgrade kits are designed for specific vehicles, while others may use universal components. Always check the listed vehicle compatibility.
Not necessarily. Some car sound upgrade kits are designed to work with the factory head unit, depending on the specific vehicle and kit configuration.
Check your vehicle's make, model, year, factory audio configuration and kit compatibility to select the appropriate Rockford Fosgate sound upgrade solution.
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