Memphis Audio VIV68DSP Digital Signal Processor User Manual

1. Overview

The Memphis Audio VIV68DSP is a sophisticated 6-channel input, 8-channel output digital signal processor designed to provide precise control over your car audio system. It features advanced audio tuning capabilities, including a 31-band equalizer per channel, various crossover types, signal sensing, summing, and delay functions. With wireless connectivity and a dedicated DSP app for PC, iOS, and Android, the VIV68DSP offers unparalleled flexibility and sound customization.

2. Safety Information

Please read and understand all safety instructions before installing or operating this product. Failure to follow these instructions may result in injury or damage to the product or vehicle.

• Always disconnect the vehicle's battery before beginning any installation.
• Ensure proper wiring and connections to prevent short circuits or electrical hazards.
• Mount the device securely in a dry, well-ventilated area away from excessive heat, moisture, or vibration.
• Do not operate the device if it has been damaged or exposed to water.
• Consult a professional installer if you are unsure about any part of the installation process.

3. Package Contents

Verify that all items are present in the package before installation:

• Memphis Audio VIV68DSP Digital Signal Processor
• Remote Control with Display Screen
• USB Cable
• Wiring Harness
• Mounting Hardware (screws, washers)
• User Manual (this document)

Figure 1: Memphis Audio VIV68DSP package contents.

4. Product Features

The VIV68DSP is equipped with a comprehensive set of features to optimize your audio experience:

• Signal Sensing & Summing: Automatically detects audio signals and combines multiple input channels for flexible system integration.
• Time Delay: Adjust the arrival time of audio signals to each speaker for precise sound staging.
• Crossovers: Configurable 12dB and 24dB/Octave crossovers to properly route frequencies to your speakers.
• 6-Channel Input: Accepts up to 6 channels of audio input from your head unit or other sources.
• 8-Channel Output: Provides 8 independent output channels for connecting amplifiers and speakers.
• 31-Band Equalizer per Channel: Fine-tune the frequency response of each output channel for optimal sound quality.
• Wireless Connectivity & Audio Streaming: Connect wirelessly via Bluetooth for audio streaming and control.
• Toslink (Optical) Input: High-quality digital audio input for superior sound fidelity.
• Remote for Preset Recall & Level Control: Conveniently adjust volume and switch between saved audio presets.
• DSP App: Control and configure the DSP using a dedicated application available for PC, iOS, and Android devices.

5. Connections and Controls

Familiarize yourself with the input, output, and control connections on your VIV68DSP unit.

5.1 Front/Top View

Figure 2: Front view of the Memphis Audio VIV68DSP.

5.2 Input Side

Figure 3: Input side of the VIV68DSP.

• PC Control (USB): Connects to a PC for software configuration.
• Optical Input: Digital audio input.
• RCA Input (CH1-CH6): Analog audio inputs.
• SPK/REM/GND/+BAT: Power and remote turn-on connections.
• TURN-ON Switch: Selects turn-on method (Remote, Speaker, RCA).
• POWER LED: Indicates power status.

5.3 Output Side

Figure 4: Output side of the VIV68DSP.

• RCA Output (CH1-CH8): Analog audio outputs to amplifiers.
• RGB Out: Connection for RGB lighting control.
• ANT: Antenna for Bluetooth connectivity.
• REMOTE: Connection for the wired remote control.

5.4 Remote Control

Figure 5: VIV68DSP Remote Control.

• Display Screen: Shows current settings, volume, and selected preset.
• Rotary Knob: Adjusts volume and navigates menus.
• Buttons: For preset recall and other functions.

6. Setup

Proper installation and setup are crucial for optimal performance. It is recommended to have this device installed by a qualified professional.

6.1 Wiring Connections

1. Power: Connect the +BAT terminal to a constant 12V power source (fused). Connect the GND terminal to a solid chassis ground.
2. Remote Turn-On: Connect the REM terminal to your head unit's remote output. Alternatively, use the SPK or RCA turn-on methods by adjusting the TURN-ON switch.
3. Audio Inputs: Connect your head unit's RCA outputs to the VIV68DSP's RCA Inputs (CH1-CH6). For digital sources, use the Optical Input.
4. Audio Outputs: Connect the VIV68DSP's RCA Outputs (CH1-CH8) to your amplifiers' RCA inputs.
5. Remote Control: Connect the wired remote control to the REMOTE port on the DSP unit.
6. PC Connection: For initial setup and advanced tuning, connect the DSP to a PC using a USB cable.

6.2 Initial Power-Up

Once all connections are secure, reconnect the vehicle's battery. The POWER LED on the DSP unit should illuminate. If not, recheck all power and ground connections.

7. Operating Instructions

The VIV68DSP can be operated via its dedicated DSP app or the wired remote control.

7.1 DSP App (PC/iOS/Android)

The DSP app provides full control over all tuning parameters. Download the appropriate app for your device (PC, iOS, or Android).

1. Connect: Connect your device to the VIV68DSP via USB (for PC) or Bluetooth (for iOS/Android).
2. Configuration: Use the app to adjust the 31-band equalizer, set crossovers, configure time alignment, manage input/output mixing, and save/recall presets.
3. Wireless Audio Streaming: Stream audio directly to the DSP via Bluetooth from your smartphone or tablet.

7.2 Remote Control

The wired remote control offers convenient access to essential functions:

• Volume Control: Adjust the master volume of your audio system.
• Preset Recall: Cycle through saved audio presets to quickly change your sound profile.
• Subwoofer Level: Adjust the output level of the subwoofer channel.

8. Specifications

9. Troubleshooting

If you encounter issues with your VIV68DSP, refer to the following common problems and solutions:

• No Power: Check all power and ground connections. Ensure the remote turn-on wire is connected and receiving a signal, or verify the SPK/RCA turn-on switch setting. Check the vehicle's fuse.
• No Audio Output: Verify all RCA input and output connections. Ensure the input source is active and sending a signal. Check the DSP app for muted channels or incorrect routing.
• Distorted Audio: Reduce the input gain on the DSP or the output level of your head unit. Check for proper crossover settings and ensure no channels are clipping.
• Bluetooth Connectivity Issues: Ensure the DSP's Bluetooth antenna is properly connected. Try restarting the DSP and your mobile device. Forget and re-pair the device in your mobile's Bluetooth settings.
• App Connection Problems: For PC, ensure the USB cable is securely connected and drivers are installed. For mobile, ensure Bluetooth is enabled and the app has necessary permissions.

10. Maintenance

To ensure the longevity and optimal performance of your VIV68DSP, follow these maintenance guidelines:

• Keep the unit clean and free from dust and debris. Use a soft, dry cloth for cleaning.
• Avoid exposing the unit to extreme temperatures, direct sunlight, or excessive moisture.
• Ensure adequate ventilation around the unit to prevent overheating.
• Regularly check all wiring connections for tightness and corrosion.

11. Warranty Information

Memphis Audio products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty against defects in materials and workmanship for a period specified by Memphis Audio from the date of original purchase. Please retain your proof of purchase for warranty claims. The warranty does not cover damage due to improper installation, accident, misuse, abuse, negligence, normal wear and tear, or unauthorized modification.

12. Support

For technical assistance, troubleshooting, or warranty inquiries, please contact Memphis Audio customer support:

• Website: Visit the official Memphis Audio website for FAQs, support resources, and contact information.
• Phone: Refer to your product packaging or the Memphis Audio website for the latest customer service phone numbers.