1. Introduction
Thank you for choosing the Musway DSP68 Digital Signal Processor. This device is engineered to provide superior audio processing capabilities for your vehicle's sound system, offering precise control over various audio parameters. This manual will guide you through the installation, operation, and maintenance of your DSP68 to ensure optimal performance and longevity.
2. Safety Instructions
- Always disconnect the vehicle's battery before performing any electrical work.
- Ensure all wiring is correctly connected and insulated to prevent short circuits.
- Do not expose the device to moisture, extreme temperatures, or direct sunlight.
- Mount the DSP68 securely in a location that does not obstruct vehicle operation or safety features.
- Refer to a professional installer if you are unsure about any installation steps.
3. Package Contents
Please check the package for the following items:
- Musway DSP68 Digital Signal Processor
- Power/Speaker Input Harness
- USB Cable
- Mounting Screws
- User Manual (this document)
4. Product Features
The Musway DSP68 offers a comprehensive set of features for advanced audio tuning:
- 8-channel DSP with PC/App control.
- Standalone 32-bit 330 MHz 8-channel DSP.
- 6 high-level inputs up to 21 V RMS.
- 6 low-level inputs (RCA).
- 1 auxiliary / RCA / stereo input (RCA).
- 1 optical / stereo input.
- 8 RCA outputs (6.5 VMS).
- Time alignment (delay time in 7mm increments with group function).
- Separately adjustable input sensitivity (channel 1-4, channel 5-6, AUX).
- 31-band graphic and parametric equalizer for 8 individually adjustable channels.
- Adjustable high and low pass filters from 6 to 48 dB.
- Signal-to-noise ratio ≥ 95 dB.
- Free choice of filter types (e.g., Bessel, Linkwitz-Riley).
- 6 saved and downloadable DSP configurations.
- Clipping LED indicator.
- Start-Stop compatibility.
- Auto Turn On function.
- Dual 32-bit, 330 MIPS processing.
- Controllable via PC software or mobile application.
- Optional external Bluetooth USB dongle for streaming/app (BTA2.0).
- Optional DRC1 remote control.
5. Setup and Connections
Proper installation and connection are crucial for optimal performance. Refer to the diagrams below for connection points.
Figure 5.1: Angled view of the Musway DSP68, showcasing its compact design and brushed metal finish.
Figure 5.2: Top view of the Musway DSP68, highlighting the central Musway brand logo.
Figure 5.3: Rear panel of the Musway DSP68, showing the high-level inputs, USB port, DRC port, optical input, and power connections.
Figure 5.4: Rear panel of the Musway DSP68, displaying the 8 RCA line outputs and input sensitivity controls.
5.1 Power and Remote Connections
- +12V (BATT): Connect to the vehicle's positive battery terminal (fused).
- GND: Connect to a solid chassis ground point.
- REM IN: Connect to the head unit's remote output or ignition switched +12V.
- REM OUT: Provides a remote output for external amplifiers.
5.2 Audio Inputs
- HI LEVEL INPUT: Connect to your head unit's speaker outputs for high-level signal input.
- LINE INPUT (RCA): Connect to your head unit's RCA pre-outs for low-level signal input.
- AUX IN (RCA): Auxiliary stereo RCA input.
- OPT IN: Optical digital input for high-quality digital audio sources.
5.3 Audio Outputs
- LINE OUTPUT (RCA): 8 RCA outputs to connect to external amplifiers.
5.4 Control Connections
- USB: Connect to a PC for software control and tuning.
- BT (Bluetooth): For optional Bluetooth dongle (BTA2.0) for wireless audio streaming and app control.
- DRC: Port for optional DRC1 remote control.
6. Operating the DSP68
The Musway DSP68 is primarily controlled via dedicated PC software or a mobile application. These interfaces provide access to all DSP functions.
6.1 Software/App Installation
Download the latest PC software or mobile application from the official Musway website or your device's app store. Follow the on-screen instructions for installation.
6.2 Key DSP Functions
- Input Mixer: Route and mix input signals to the desired output channels.
- Equalizer: Utilize the 31-band graphic and parametric equalizer for precise frequency response adjustments on each channel.
- Crossovers: Set high-pass, low-pass, and band-pass filters with adjustable slopes (6-48 dB/octave) and filter types (Bessel, Linkwitz-Riley).
- Time Alignment: Adjust the delay for each speaker to ensure all sound waves arrive at the listening position simultaneously, creating a focused soundstage.
- Output Level Control: Fine-tune the output level for each channel.
- Presets: Save and recall up to 6 different DSP configurations for various listening preferences or vehicle setups.
6.3 Auto Turn On and Start-Stop Functionality
The DSP68 features an auto turn-on function that detects an audio signal or DC offset on the high-level inputs, eliminating the need for a remote wire from the head unit. It is also compatible with vehicles equipped with Start-Stop systems, ensuring seamless operation during engine restarts.
7. Maintenance
To ensure the longevity and proper functioning of your Musway DSP68, follow these simple maintenance guidelines:
- Keep the device clean and free from dust. Use a soft, dry cloth for cleaning.
- Do not use harsh chemicals or abrasive cleaners.
- Ensure adequate ventilation around the unit to prevent overheating.
- Regularly check all connections for tightness and corrosion.
8. Troubleshooting
If you encounter issues with your DSP68, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/Unit does not turn on | Blown fuse; Loose power/ground connection; No remote signal | Check and replace fuse; Verify all power and ground connections; Ensure remote wire is connected and receiving signal. |
| No sound output | Incorrect input/output routing in DSP software; Muted channels; Loose RCA connections | Check DSP software settings for correct routing and unmuted channels; Verify all RCA cables are securely connected. |
| Distorted sound | Input signal too high (clipping); Gain settings too high; Incorrect EQ settings | Check clipping LED and reduce input sensitivity; Lower gain settings in DSP software; Reset EQ to flat and re-tune. |
| Software/App connection issues | Faulty USB cable; Driver issues; Bluetooth dongle not paired | Try a different USB cable; Reinstall DSP drivers; Ensure Bluetooth dongle is correctly inserted and paired. |
If the problem persists after trying these solutions, please contact Musway customer support.
9. Specifications
- DSP Processor: Standalone 32-bit, 330 MHz
- Inputs: 6 High-Level (up to 21V RMS), 6 Low-Level (RCA), 1 AUX (RCA), 1 Optical
- Outputs: 8 RCA (6.5 VMS)
- Equalizer: 31-band Graphic & Parametric per channel
- Crossover Slopes: 6-48 dB/octave
- Signal-to-Noise Ratio: ≥ 95 dB
- Dimensions (L x W x H): 181 x 124 x 41 mm
- Control: PC Software, Mobile App (via USB or optional Bluetooth)
- Features: Time Alignment, Input Sensitivity Adjustment, 6 DSP Presets, Clipping LED, Start-Stop Compatible, Auto Turn On
10. Warranty and Support
Musway products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty against defects in materials and workmanship. Please refer to the warranty card included with your product or visit the official Musway website for detailed warranty terms and conditions.
For technical support, troubleshooting assistance, or service inquiries, please contact your authorized Musway dealer or visit the Musway support section on their official website.
