1. Introduction
This manual provides detailed instructions for the operation and maintenance of your Depusheng DA8 Professional Audio Mixer. Please read this manual thoroughly before using the device to ensure proper function and to prevent damage.
The Depusheng DA8 is an 8-channel professional audio mixer designed for various audio applications, offering versatile connectivity and high-quality sound processing.
2. Safety Information
Always observe the following basic precautions when operating this unit:
- Power Source: Connect the unit only to the specified power supply (100V-240V AC).
- Ventilation: Ensure adequate ventilation. Do not block ventilation openings.
- Water and Moisture: Do not expose the unit to rain or moisture. Do not place objects filled with liquids on the unit.
- Heat: Keep the unit away from heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cleaning: Clean only with a dry cloth.
- Servicing: Do not attempt to service this unit yourself. Refer all servicing to qualified service personnel.
3. Product Features
The Depusheng DA8 mixer offers a range of features designed for professional audio mixing:
- Multi-Device Compatibility: Easy connection via USB/Flash Reader/MP3 or Bluetooth devices for mixing and recording. Integrated controls for playback, skipping tracks, and mode switching.
- Wireless Bluetooth Audio Streaming: Seamlessly stream music from smartphones or other Bluetooth-enabled devices.
- Ultra-Thin and Robust Chassis: Slim design (1.4 inches thick) with sealed rotary controls for dust resistance, providing a tactile user experience.
- MIC + Stereo Line Inputs: Supports XLR and 1/4" unbalanced jacks with +48V phantom power buttons. Features precise LED peak level indicators, 10-segment stereo output level meter, and 3-band ultra-musical EQ on all channels.
- Low Noise Design: High headroom mixer for professional vocal and instrumental sound.
- Multi-Voltage Power Supply: 100V-240V (+/- 15V DC adapter) for worldwide use.
Figure 3.1: Key features of the Depusheng DA8 Professional Audio Mixer, highlighting its built-in wireless Bluetooth, DSP reverb effect, USB playback, 48V phantom power, and LED display.
4. Product Overview and Controls
Familiarize yourself with the layout and functions of the DA8 mixer's various controls and connection points.
Figure 4.1: Top view of the Depusheng DA8 Audio Mixer, showing all input channels, main outputs, and control sections.
Figure 4.2: Multiple views of the Depusheng DA8 Audio Mixer, including top, side, and bottom perspectives, illustrating its compact and robust design.
4.1 Input Channel Controls
Figure 4.3: Detailed view of the input channel controls, including Microphone audio input, LINE input, Gain adjustment knob, High frequency adjustment (HF), Medium frequency adjustment (MF), Low frequency adjustment (LF), Auxiliary drive (AUX), Reverb adjustment (FX), Left and right channel balance adjustment (PAN), Peak Signal Indicator, Volume Fader, and Monitor button (PFL).
4.2 Output and Master Controls
Figure 4.4: Detailed view of the output and master section, showing Right channel audio output, Left channel audio output, Hybrid output interface, Headphone output jack, Auxiliary transmit output jack, Effect send output jack, Control room monitor output jack, Two-track audio Inputs and Outputs (TAPE IN/OUT), and Output effect (SEND/RETURN).
4.3 MP3 Player and Bluetooth Section
Figure 4.5: Close-up of the MP3 player and Bluetooth section, indicating the USB socket, display screen, MP3 playback audio and video controls, MP3 playback signal distribution button, Function button, +48V phantom power switch, Auxiliary sending master, Monitor button, TAPE INPUT volume knob, and Headphone volume control.
5. Setup and Connections
Before powering on the mixer, ensure all connections are made correctly.
5.1 Power Connection
- Connect the provided power adapter to the DC input on the rear of the mixer.
- Plug the power adapter into a suitable electrical outlet (100V-240V AC).
5.2 Input Connections
The DA8 mixer supports various input sources:
- Microphones: Connect XLR microphones to the MIC inputs. For condenser microphones requiring phantom power, activate the +48V switch.
- Line-Level Devices: Connect instruments (guitars, keyboards), media players, or other line-level devices to the LINE inputs using 1/4" unbalanced jacks.
- USB Devices: Insert a USB flash drive into the USB socket for MP3 playback.
- Bluetooth Devices: Pair your smartphone or tablet wirelessly via Bluetooth.
Figure 5.1: The Depusheng DA8 mixer demonstrating its built-in Bluetooth wireless streaming capability, compatible with various modern devices such as smartphones and tablets.
Figure 5.2: Connection diagram illustrating various input and output possibilities for the Depusheng DA8 mixer, including 48V condenser microphone, wired microphone, guitar, electronic organ, active speakers/power amplifiers, mobile phone, headphones, and USB disk/computer.
5.3 Output Connections
- Main Output: Connect the L MAIN OUT R (XLR or 1/4" jacks) to your main speakers or amplifier.
- Control Room Output: Use the CTRL ROOM OUT (1/4" jacks) for connecting to studio monitors.
- Headphones: Plug your headphones into the PHONES jack for monitoring.
- Effect Send/Return: Connect external effects processors using the SEND and RETURN jacks.
- Tape In/Out: Use the TAPE IN/OUT RCA jacks for connecting recording devices or external playback sources.
6. Operating Instructions
6.1 Basic Mixing
- Power On: After all connections are made, turn on the mixer using the power switch.
- Gain Adjustment: For each input channel, adjust the GAIN knob to achieve an optimal input level. The Peak Signal Indicator (PEAK LED) should flash only occasionally.
- Equalization (EQ): Use the HF (High Frequency), MF (Medium Frequency), and LF (Low Frequency) knobs to shape the tone of each channel.
- Auxiliary Send (AUX): Adjust the AUX knob to send a portion of the channel's signal to the auxiliary output for external effects or monitor mixes.
- Effects (FX): Adjust the FX knob to send a portion of the channel's signal to the internal effects processor.
- Pan (PAN): Adjust the PAN knob to position the channel's sound within the stereo field (left to right).
- Channel Volume: Use the channel VOLUME FADER to control the individual volume of each input.
- Main Output Volume: Adjust the L MAIN R faders to control the overall output volume.
6.2 Bluetooth Operation
- Press the MODE button on the MP3 player section until "Bluetooth" is displayed.
- On your Bluetooth-enabled device (smartphone, tablet), search for available devices and select "Depusheng DA8" (or similar name).
- Once paired, you can stream audio wirelessly to the mixer. Use the MP3 player controls (play/pause, skip) or your device's controls to manage playback.
Figure 6.1: The Depusheng DA8 mixer actively connected via Bluetooth to a smartphone, demonstrating wireless audio streaming capabilities.
6.3 USB MP3 Playback
- Insert a USB flash drive containing MP3 audio files into the USB socket.
- The mixer will automatically detect and begin playing the audio files.
- Use the controls on the MP3 player section to play, pause, skip tracks, or change modes (e.g., repeat).
7. Maintenance
Proper maintenance ensures the longevity and optimal performance of your mixer.
- Cleaning: Use a soft, dry cloth to clean the exterior of the mixer. Do not use liquid cleaners or aerosols.
- Dust Protection: Keep the mixer covered when not in use to prevent dust accumulation, especially on faders and rotary controls.
- Storage: Store the mixer in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Management: Ensure cables are not tangled or stressed, which can damage connectors and ports.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power outlet faulty; Mixer power switch off. | Check power cable connection; Try a different outlet; Ensure power switch is ON. |
| No sound output | Main volume faders down; Channel volume faders down; Speakers not connected/powered; Incorrect input selection. | Increase main and channel volume; Check speaker connections and power; Verify correct input source is selected. |
| Bluetooth not connecting | Mixer not in Bluetooth mode; Device not in pairing mode; Interference. | Ensure mixer is in Bluetooth mode; Put device in pairing mode; Move closer to mixer; Restart both devices. |
| Humming or buzzing noise | Ground loop; Faulty cable; Nearby electronic interference. | Use a ground loop isolator; Replace cables; Move mixer away from other electronics. |
| Phantom power not working | +48V switch off; Microphone not compatible. | Ensure +48V switch is ON; Verify microphone requires phantom power. |
9. Specifications
- Model: DA8
- Dimensions (L x W x H): 34 x 40 x 3.7 cm (13.4 x 15.7 x 1.4 inches)
- Weight: 4 Kilograms (8.8 lbs)
- Body Material: Metal
- Number of Channels: 8
- Connectivity Technology: RCA, Bluetooth, Auxiliary, USB, XLR
- Input Audio: Microphone, Music
- Output Connector Type: XLR, RCA, 6.35MM
- Power Source: Electric Cable
- Voltage: 220 Volts (AC) - Multi-voltage 100V-240V compatible
- Noise Level: 90 dB
- Compatible Devices: Speaker, Amplifier, Microphone, Computer
- Operating System Compatibility: Windows 7, Windows 8, Windows 8.1, Windows 10, Mac OS
10. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Depusheng customer service. Keep your proof of purchase for warranty claims.
For further assistance, visit the official Depusheng website or contact their support channels.