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Rockford Fosgate 8-Channel Interactive Signal Processor

Model #: DSR1
Rockford Fosgate
At a Glance
Co-developed with iDatalink Maestro, the DSR1 combines a full-featured 3Sixty digital signal processor with a flashable Maestro integration module. The DSR1 can be used out-of-the-box with high or low level input, or with a quick flash download to add vehicle specific firmware to enable integration without the loss of factory equipped controls and features. Once connected, complete control of the sound profile can be adjusted using the proprietary Rockford Fosgate PerfectTune™ software.
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Get to know this product.

The DSR1 is the first real solution for replacing the factory amplifier and speakers in Ford and Chrysler vehicles, as the DSR1 uses the full-range, flat audio signal from the factory source unit. After the built-in Maestro interface is flashed with the vehicle-specific firmware, the factory source unit CANbus messages are used to control the internal signal routing of the DSR1. The DSR1 still utilizes the power processor found in our patented 3Sixty.3, but adds an easy to use app for tuning from Apple and Android devices.

  • Digital Signal Processing with Integrated Maestro CAN Interface
  • Four Channel Balanced Differential RCA Inputs
  • Four Channel High Level Inputs with Signal Sense Turn On
  • 18 Pin Analog Input Harness
  • 16 Pin Analog Output Harness
  • Micro USB Setup/Update Port
  • Designed for use with Select Maestro Vehicle T-Harnesses
  • Auxiliary RCA and SPDIF Coaxial Inputs
  • Optional PLC2 Level Controller with Assignable Functions
  • 245 Bands of Equalization for Aftermarket Tuning
  • Adjustable crossovers with selectable slope
  • Up 10msec of delay on each channel for Time Alignment
  • Bluetooth 4.0 Connectivity for convenient setup
  • Interactive Tuning Interface Controlled via Android/ iOS APP
  • CE and FCC Compliant
  • 1 Year Warranty

Tuning Connectivity via Bluetooth

Bluetooth connectivity allows connection to a mobile device for tuning (non audio streaming.)

CE Compliant

This product fulfills all essential safety and environmental requirements as defined in the European Directives (768/2008 EC).

iDatalink Maestro

The iDatalink Maestro technology is a flashable module that allows vehicle specific firmware to be downloaded to the unit, enabling integration into a factory installed system without the loss of factory equipped controls and features.


DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and lowers operating temperature.

Useful Documents


Processor TypeDigital Processor
MountingBehind Dash
Input Impedance20k Ohms
Signal Input4 Balanced Differential RCA Inputs, 4 High-Level Inputs w/ Signal Sense, 2 AUX RCA Inputs, SPDIF Coaxial Input
Output Impedance200 Ohms
Operating Voltage9 - 16 VDC
Frequency Response20Hz - 20kHz +/- 0.5dB
Signal Output8 RCA Outputs
Input VoltageLow Level (RCA): up to 4V, High Level: up to 12.5V, High Level Turn-On: 4V - 16V, AUX: up to 2V
Output VoltageUp to 4V RMS
Signal-to-NoiseRCA: >100 dBA (A-weighted), AUX: >100 dBA (A-weighted)
Digital Signal Processing (DSP)Speed: 147 MIPS, Precision: 32-BIt, Accumulators: 72-bit
Digital to Analog (DAC)Precision: 24-Bit, Dynamic Range: 108 dB, THD+N: -98 dB
Analog to Digital (ADC)Precision: 24-Bit, Dynamic Range: 105 dB, THD+N: -98 dB
Crossover TypeHigh-Pass, Low-Pass, Band-Pass, All-Pass, Fixed Linkwitz-Riley
Crossover FrequencyVariable: 20 Hz to 10 kHz
Crossover SlopeSelectable Slope: 6/12/18/24/30/36/48 dB/Octave
EQ Frequency CentersChannels: Front/Spare/Rear/Sub; Frequency Bands: 31 per channel
EQ Frequency ControlsSelectable Q: 0.01 to 10.0
Smartphone CompatibilityAPPLE: iOS 10.0 or later (iPhone, iPad, iPod touch); ANDROID: Marshmallow 6.0 or later (optimized for 5-inch screen or larger)
Smartphone AppApp Store; Google Play
T-Harness ExtensionsHRN-AR-EXT2 (2m Extension), HRN-AR-EXT4 (4m Extension)
Shipping Weight0.5 Lbs. (0.22 Kg)
Dimensions (H x W x D)1.26" x 4.04" x 5.12" (32 mm x 102.5 mm x 130 mm)

Misc. Specs

Depth (in.)5.12
Width (in.)4.04
Height (in.)1.26
Manufacturer Warranty1 Year
App IntegrationYes
Number Of Inputs1
Number Of Outputs1
Bands Of Equalization245
Weight Kilogram.22
WarningProposition 65 Warning for California Residents