3. Car audio speakers & Subwoofer sound upgrades for the car
  5. DSR1

DSR1

DSR1

Technical Highlights

  • Input impedance 20 kOhm, output impedance 200 Ohm, 245 EQ bands.
  • Digital signal processing, speed of 147 MIPS, 32-bit.
  • Bluetooth 4.0, frequency response 20Hz-20kHz, signal-to-noise ratio >100 dBA.
  • More technical details
€312.55
-5% €329.00 €312.55
2% discount with credit card

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ProductDSR1

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A black Rockford Fosgate DSR1 car audio interface module featuring ports and DSR1 branding on the top surface.
€312.55
€329.00 €312.55

DSR1 is a 4-Channel DSP from Rockford Fosgate with digital signal processing and an integrated Maestro-CAN interface. It features four balanced differential RCA inputs and four high-level inputs with Signal Sense Turn On, as well as additional RCA and SPDIF coaxial inputs. Eight RCA outputs, an 18-pin analog input harness, and a 16-pin analog output cable are included. Setup and updates are done via Micro-USB, and Bluetooth 4.0 with an interactive tuning interface is available through an Android or iOS app. Adjustable crossovers with selectable slopes, up to 10 ms delay per channel, and 245 equalization bands are included. The DSP operates at 147 MIPS and 32-bit accuracy, with a frequency response of 20 Hz to 20 kHz ±0.5 dB.

Features
  • 4-Channel DSP
  • Digital signal processing with integrated Maestro-CAN interface
  • Four balanced differential RCA inputs
  • Four high-level inputs with Signal Sense Turn On
  • Additional RCA and SPDIF coaxial inputs
  • Eight RCA outputs
  • Bluetooth 4.0 and app control for Android and iOS
  • Micro-USB for setup and update
  • Adjustable crossovers with selectable slopes
  • Up to 10 ms delay per channel
  • 245 equalization bands
  • 18-pin analog input harness
  • 16-pin analog output cable
  • Compatible with Select Maestro vehicle T-harnesses
  • Optional PLC2 Level Controller with assignable functions
Technical Specifications
  • Signal Inputs: 4 balanced differential RCA inputs
  • High-Level Inputs: 4 with Signal Sense
  • AUX Inputs: 2 RCA
  • Digital Input: SPDIF coaxial
  • Signal Outputs: 8 RCA outputs
  • Input Impedance: 20 kOhm
  • Output Impedance: 200 Ohm
  • Operating Voltage: 9 to 16 V DC
  • Frequency Response: 20 Hz to 20 kHz ±0.5 dB
  • Input Voltage Low Level RCA: up to 4 V
  • Input Voltage High Level: up to 12.5 V
  • High Level Turn-On: 4 to 16 V
  • AUX Input Voltage: up to 2 V
  • Output Voltage: up to 4 V RMS
  • THD+N: less than 1.0 percent
  • Signal-to-Noise Ratio: greater than 100 dBA A-weighted
  • DSP Speed: 147 MIPS
  • DSP Accuracy: 32-Bit
  • Crossover Types: High-pass, Low-pass, Band-pass, All-pass, fixed Linkwitz-Riley
  • Cutoff Frequency: 20 Hz to 10 kHz
  • Slope: 6, 12, 18, 24, 30, 36, 48 dB per octave
  • Channels: Front, Spare, Rear, Sub
  • Frequency Bands: 31 per channel
  • EQ Q-Factor: 0.01 to 10.0
  • Delay Time Alignment: up to 10 ms per channel
  • Connectivity: Bluetooth 4.0
  • Setup and Update: Micro-USB
  • Dimensions H x W x D: 32 mm x 102.5 mm x 130 mm
  • Shipping Weight: 0.22 kg
  • Cables: 18-pin analog input harness, 16-pin analog output cable
  • Maestro: integrated Maestro-CAN interface, designed for Select Maestro vehicle T-harnesses
  • Interactive Tuning Interface: Android and iOS app
  • Accessories: optional PLC2 Level Controller with assignable functions

Frequently Asked Questions about DSR1

How does the Rockford Fosgate DSR1 DSP enhance the audio experience in the car?

The Rockford Fosgate DSR1 DSP transforms the audio experience by utilizing the factory audio signal with full bandwidth and an integrated digital signal processor. The advanced DSP technology allows for the adjustment of 245 equalization bands, the use of high-pass, low-pass, band-pass, and all-pass filters with variable slopes up to 48 dB/octave, as well as up to 10 milliseconds of delay per channel for time alignment. These features enable precise audio tuning and significantly improve sound quality. Additionally, the Bluetooth 4.0 connectivity offers convenient adjustment options via an Android or iOS app, providing an interactive tuning interface.

What input and output options does the Rockford Fosgate DSR1 offer?

The Rockford Fosgate DSR1 provides versatile inputs and outputs for comprehensive audio customization. On the input side, there are four balanced differential RCA inputs and four high-level inputs with signal sense turn on. Additionally, there are two AUX-RCA inputs and one SPDIF coaxial input. This connectivity allows for integration into various audio systems. On the output side, the DSR1 has eight RCA outputs with a maximum output voltage of up to 4V RMS, ensuring high-quality audio output. This wide range of interfaces provides maximum flexibility for installation and use.

What technical specifications does the Rockford Fosgate DSR1 offer regarding the crossovers?

The Rockford Fosgate DSR1 is equipped with highly customizable crossovers, including high-pass, low-pass, band-pass, and all-pass. The crossover frequency is adjustable from 20 Hz to 10 kHz. Users can select the slope of the crossovers between 6 and 48 dB/octave, depending on the specific requirements of the audio system. A special feature is the Linkwitz-Riley filter type, which ensures a smooth crossover frequency. With these diverse adjustment options, the DSR1 offers exceptional adaptability, especially for audiophiles who desire detailed control over the frequency spectrum.

How can the DSR1 be integrated into cars with Maestro interfaces?

The integration of the DSR1 in vehicles with Maestro interfaces is achieved through a bundled combination of technology and user-friendliness. The integrated Maestro-CAN interface allows for flashing the vehicle-specific firmware to use the factory system's CANbus signals for the internal signal routing of the DSR1. This makes it easy to use the DSR1 as a replacement for the factory Amplifier. The comprehensive compatibility with selected Maestro vehicle T-harnesses significantly facilitates integration and allows for seamless adaptation to the specific requirements of the vehicle without additional hardware modifications.

What role does the Bluetooth functionality of the Rockford Fosgate DSR1 play?

The Bluetooth 4.0 functionality of the Rockford Fosgate DSR1 offers a convenient way to set up and control the sound processor via mobile devices. With the accompanying app for Android and iOS, comprehensive audio tuning can be easily adjusted without the need for physical adjustments directly on the device. This wireless connection allows for saving settings and conveniently updating the system without cumbersome wiring. Especially if you enjoy listening to music at high volumes, this feature proves to be extremely useful for quickly and easily adjusting the sound profile and equalizer settings to your preferences.

What advantages does the Signal Sense Turn On feature of the DSR1 offer?

The Signal Sense Turn On feature of the DSR1 provides an automatic power-on capability, which is particularly practical for activating the sound processor without an additional switch or manual intervention. This feature continuously monitors the incoming signals through the high-level inputs and powers on the DSR1 as soon as a signal is detected. This eliminates the need for a separate control wire and ensures a straightforward user experience. It not only simplifies installation but also minimizes the risk of installation errors, leading to smoother integration into existing audio systems.

How does the Rockford Fosgate DSR1 affect sound quality through equalizer and delay settings?

The Rockford Fosgate DSR1 allows for high-precision sound optimization through extensive equalizer settings with 31 bands per channel. This variety of customization options enables detailed sound shaping, optimizing frequencies individually for specific listening preferences. Additionally, the DSR1 offers an adjustable delay of up to 10 milliseconds per channel, allowing for precise timing alignment of the channels to avoid time differences. Together, these features provide audiophiles and tech enthusiasts with unprecedented control over their listening experience, enabling finely tuned and perfect sound alignment.

What are the physical dimensions of the Rockford Fosgate DSR1?

The compact dimensions of the Rockford Fosgate DSR1 are 32 mm x 102.5 mm x 130 mm (H x W x D), allowing for easy installation in a variety of vehicles. This small volume makes it easier to place the DSP in different locations within the vehicle, whether under the seat, in the dashboard, or in the trunk. Despite its power, the DSR1 is extremely lightweight with a shipping weight of only 0.22 kg, which not only simplifies the installation process but also has minimal impact on the overall system weight of the vehicle. This flexibility makes it an ideal solution for demanding car audio installations.

Can the DSR1 also be integrated with leading car brands?

The Rockford Fosgate DSR1 is specifically designed to enable seamless integration into many vehicles equipped with Maestro-interfaced audio systems. However, it is crucial to flash the vehicle-specific firmware before implementation to ensure optimal functionality. While specific car brands are not always specified, the flexible design of the DSR1 makes it easier to adapt to common models from leading brands. The ability to integrate into existing systems without extensive physical modifications is a significant advantage for users of advanced audio systems in modern vehicles.

What input signal capacities does the Rockford Fosgate DSR1 offer?

The Rockford Fosgate DSR1 can process input signals of various levels. For low-level RCA inputs, a signal level of up to 4 V is supported, while for high-level inputs, an input voltage of up to 12.5 V is possible, with a turn-on power for high-level of 4V - 16V. The AUX input can handle voltages up to 2V. This wide capacity allows the DSR1 to flexibly integrate into diverse audio systems and ensures that even signals from high-performance sound systems can be captured and processed. This means comprehensive compatibility with a variety of audio system requirements.

Manufacturer information/responsible person

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

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