Rockford Fosgate DSR1 DSP
Rockford Fosgate DSR1 DSP
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Rockford Fosgate DSR1 DSP
The Rockford Fosgate DSR1 is a digital signal processor with 4 balanced RCA inputs, 4 high-level inputs and 8 RCA outputs, tuned through the PerfectTune app. Rockford’s Harley Stage-2 kits include a T-harness with a loop-thru for the DSR1. It mounts behind the dash and is sold separately.
EQ, crossover and time alignment for your build
31 EQ bands per channel, selectable crossovers and up to 10 ms of delay per channel.
- 4 RCA + 4 high-level inputs, 8 RCA outputs
- 31 EQ bands per channel
- 1-year warranty
Key Product Details
| Model | Rockford Fosgate DSR1 |
| Inputs | 4 balanced RCA, 4 high-level, 2 AUX RCA, 1 SPDIF coaxial |
| Outputs | 8 RCA |
| EQ channels | Front, Spare, Rear, Sub |
| Setup | PerfectTune app (iOS 10.0+, Android Oreo 8.0+); Micro USB port |
| Mounting | Behind dash |
| Warranty | 1 year |
Specifications are from Rockford Fosgate’s DSR1 page. Rockford’s page does not list a Harley-Davidson T-harness for the DSR1, so confirm your integration with us before ordering.
Where the DSR1 Fits in a Harley Build
Rockford’s Stage-2 Harley kits include a T-harness with a loop-thru for the DSR1, sold separately. See the CVO Stage-2 kit and the 2014-2023 Stage-2 complete kit.
It runs in Universal mode, using RCA or high-level inputs with aftermarket amplifiers, or in Maestro mode, which uses a vehicle-specific T-harness with aftermarket amplifiers.
Specifications
| EQ | 31 bands per channel, selectable Q 0.01–10.0 |
| Crossovers | High-pass, low-pass, band-pass, all-pass, fixed Linkwitz-Riley |
| Crossover frequency | 20 Hz–10 kHz, slopes from 6 to 48 dB/octave |
| Time alignment | Up to 10 ms delay per channel |
| DSP / converters | 32-bit, 24-bit DAC/ADC |
| Frequency response | 20 Hz–20 kHz, ±0.5 dB |
| Output voltage | Up to 4 V RMS |
| Operating voltage | 9–16 VDC |
| Dimensions (H x W x D) | 1.26" x 4.04" x 5.12" (32 x 102.5 x 130 mm) |
| Bluetooth | 4.0, for tuning only, not audio streaming |
Setup Notes
- Requires proper power and grounding for best performance.
- It pairs best with quality amplifiers and speakers.
- Garage Bagger Stereo can recommend settings based on your exact bike, speakers and amplifiers.
Related Paths
Rockford DSR1 DSP FAQ
Do I need an amplifier with the DSR1?
Yes. Rockford describes both operating modes as working with aftermarket amplifiers.
How do I tune it?
Tuning is done through the Rockford Fosgate PerfectTune app on iOS 10.0 and newer or Android Oreo 8.0 and newer. There is also a Micro USB setup port.
Does the DSR1 stream audio over Bluetooth?
No. Its Bluetooth 4.0 is for tuning only, not audio streaming.
Which Harley kits have a DSR1 loop-thru?
Rockford’s Stage-2 kit T-harnesses include a loop-thru for the DSR1, which is sold separately.
What is the warranty?
Rockford Fosgate lists a 1-year warranty.
Need Help Choosing?
Need help integrating a DSR1 with your radio, amplifier and speakers? Call or start a consultation.
Similar Products
What a DSP Does on a Harley With a Stock Radio
A factory Harley radio shapes its signal for factory speakers. When you add amps and new speakers, that signal fights you. A DSP like the Rockford Fosgate DSR1 cleans it up, sets the crossovers and lets you tune each speaker pair.
On our listing, the DSR1 is plug and play ready with the 2014-2023 stock radio and the 2024-Present stock radio. We confirm the right integration for your bike before you order.
Running the Rockford Stage-2 kit? Its T-harness has a loop-through for the DSR1. See the HD14-PMX-STG2.
Where the DSR1 Fits in the Build
The DSR1 sits between the radio and the amp. Plan its spot with the amp so the wiring stays short and clean.
Compare it with other processors in motorcycle DSPs, and pick an amp from motorcycle amplifiers.
A DSP is only as good as its tune. If you'd rather have it done right, book the build.
More Rockford Fosgate DSR1 DSP Questions
Does the Rockford Fosgate DSR1 work with a 2024 Harley stock radio?
Our listing shows the DSR1 as plug and play ready with both the 2014-2023 and 2024-Present Harley stock radios. We confirm the integration for your bike before you order.
Why do I need a DSP with a stock Harley radio?
The stock signal is shaped for the factory speakers. A DSP cleans it up, sets crossovers and lets you tune each speaker pair once you add amps and new speakers.
Does the DSR1 work with the Rockford Fosgate Stage-2 kit?
Yes. The HD14-PMX-STG2 T-harness has a loop-through for the DSR1.