SMSL DO200 PRO HiFi MQA DAC User Manual

Introduction

This manual provides detailed instructions for the setup, operation, and maintenance of your SMSL DO200 PRO Digital-to-Analog Converter (DAC). Please read this manual thoroughly before using the device to ensure proper functionality and optimal audio performance.

Package Contents

Verify that all items listed below are included in your package:

• SMSL DO200 PRO Unit
• USB Cable
• AC Power Cable
• Remote Control
• Bluetooth Antenna
• User Manual
• Warranty Card

Image: The SMSL DO200 PRO unit shown alongside its included accessories: USB cable, AC power cable, remote control, Bluetooth antenna, user manual, and warranty card.

Product Overview

Front Panel

Image: Front view of the SMSL DO200 PRO DAC, displaying its screen, control knob, and the included remote control.

• Display Screen: Shows current input, sample rate, and volume level.
• Control Knob: Used for power on/off, volume adjustment, and menu navigation.
• Function Buttons: For input selection and menu access.

Rear Panel

Image: Rear view of the SMSL DO200 PRO DAC, highlighting its various input and output ports including XLR, RCA, Optical, Coaxial, HDMI ARC, and USB.

• RCA/XLR Outputs: Analog audio outputs for connecting to amplifiers or active speakers.
• Optical/Coaxial/HDMI (ARC) Inputs: Digital audio inputs for various sources like TVs, CD/DVD players.
• USB Input: For connecting to computers, gaming consoles (PS5, Switch).
• Bluetooth Antenna Port: For connecting the included Bluetooth antenna.
• AC Power Input: For connecting the power cable.

Setup and Connections

Follow these steps to set up your SMSL DO200 PRO DAC:

1. Connect Audio Sources: Use appropriate cables (USB, Optical, Coaxial, HDMI ARC) to connect your audio sources (PC, TV, game console, CD player) to the corresponding input ports on the DO200 PRO.
2. Connect Audio Outputs: Connect the RCA or XLR outputs of the DO200 PRO to your amplifier or active speakers.
3. Attach Bluetooth Antenna: Screw the provided Bluetooth antenna into its designated port on the rear panel.
4. Connect Power: Connect the AC power cable to the DO200 PRO and then to a power outlet.
5. Power On: Press the control knob or the power button on the remote control to turn on the device.

HDMI ARC Connection

The DO200 PRO supports HDMI ARC (Audio Return Channel) for receiving audio from compatible televisions. This allows for audio and visual synchronization.

Image: Diagram illustrating how to connect a TV's HDMI ARC port to the DO200 PRO's HDMI ARC input for audio return.

• Connect a standard HDMI cable (19-pin) from your TV's HDMI (ARC) port to the DO200 PRO's HDMI (ARC) input.
• Ensure your TV is compatible with ARC. Refer to your TV's user manual for specific settings.
• Set your TV's audio output format to PCM/LPCM.
• Note: The DO200 PRO supports HDMI ARC, not HDMI eARC. It does not support CEC (Consumer Electronics Control), meaning the TV remote cannot control the DAC's volume or power synchronously. This product does not output video.

USB Connection Modes

The DO200 PRO offers two USB modes for different applications:

• USB 1.1 Mode: Driver-free, suitable for gaming consoles like PS5 or Nintendo Switch.
• USB 2.0 Mode: For PC, tablets, and other devices, requiring driver installation for optimal performance.
• To switch between modes, a restart of the DO200 PRO is required for the change to take effect.

Image: The SMSL DO200 PRO connected to a PlayStation 5 and a Nintendo Switch, illustrating its use as a gaming DAC.

Operation

Basic Controls

• Power On/Off: Press the control knob or the power button on the remote.
• Volume Adjustment: Rotate the control knob or use the volume buttons on the remote.
• Input Selection: Press the input button on the remote or navigate through the menu using the control knob.
• Menu Navigation: Press the control knob to enter the menu. Rotate to scroll, press again to select.

Remote Control Functions

Image: A detailed diagram of the SMSL remote control, indicating the function of each button, including power, navigation, menu, input select, mute, and volume controls.

• Power ON/OFF: Turns the unit on or off.
• Up/Down: Navigates menu options or adjusts settings.
• MENU/OK: Enters menu or confirms selection.
• Next Level Menu: Moves to the next menu level.
• Return: Goes back to the previous menu.
• Input Select: Cycles through available input sources.
• FN (Define in the menu): Customizable function button.
• Mute: Mutes or unmutes audio output.
• Volume +/-: Adjusts the output volume.

Bluetooth Connectivity

The DO200 PRO features Bluetooth 5.1 with support for LDAC, aptX/HD, SBC, and AAC codecs.

Image: The SMSL DO200 PRO wirelessly connected via Bluetooth to a computer and a smartphone, demonstrating its wireless audio streaming capability.

1. Ensure the Bluetooth antenna is connected.
2. Select Bluetooth as the input source on the DO200 PRO.
3. On your smartphone, tablet, or other Bluetooth device, search for "SMSL DO200 PRO" and pair.

Advanced Features

4V/5V Output Level Adjustment

The DO200 PRO allows adjustment of the output voltage level to 4V or 5V, providing compatibility with various amplifiers and different dynamic ranges.

Image: A close-up view of the bottom of the SMSL DO200 PRO, showing the physical switch for adjusting the maximum output level between 4Vrms and 5Vrms.

• The 4V/5V switch is located on the bottom of the unit.
• Select the appropriate voltage based on your connected amplifier's input sensitivity.

MQA Decoding

The DO200 PRO supports full MQA decoding via USB, Optical, and Coaxial inputs, including MQA-CD playback.

Image: A graphic highlighting the SMSL DO200 PRO's support for MQA-CD and full MQA decoding through Coaxial, Optical, and USB inputs.

• MQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording.
• MQA-CD playback is supported for compatible optical disc players.
• Bluetooth and HDMI (ARC) inputs do not support MQA decoding.

Specifications

Image: A close-up view of the internal circuit board, highlighting the arrangement of twelve CS43131 decoding chips.

Image: A detailed view of the XMOS XU-316 chip, responsible for USB audio processing, supporting high-resolution PCM and DSD formats.

Image: A close-up of the QCC5125 Bluetooth chip, enabling Bluetooth 5.1 connectivity with support for various high-quality audio codecs.

Troubleshooting

• No Sound Output:
  • Check all cable connections (input, output, power).
  • Ensure the correct input source is selected on the DO200 PRO.
  • Verify the volume level is not muted or set too low.
  • If using HDMI ARC, confirm your TV's audio output is set to PCM/LPCM and the TV supports ARC.
  • If using USB, ensure the correct USB mode (1.1 or 2.0) is selected and drivers are installed for USB 2.0. Restart the unit after changing USB modes.
• Distorted Audio:
  • Check the 4V/5V output level switch on the bottom of the unit. Ensure it matches the input sensitivity of your amplifier to avoid clipping.
  • Verify the source audio file quality.
• Bluetooth Connection Issues:
  • Ensure the Bluetooth antenna is securely attached.
  • Confirm the DO200 PRO is in Bluetooth input mode.
  • Delete previous pairings on your device and re-pair.
  • Reduce distance between the DO200 PRO and the Bluetooth device.

Maintenance

• Keep the device in a dry, well-ventilated area, away from direct sunlight, heat sources, and moisture.
• Clean the unit with a soft, dry cloth. Do not use liquid cleaners or solvents.
• Avoid placing heavy objects on top of the unit.
• Do not attempt to disassemble or repair the unit yourself. Contact qualified service personnel for assistance.

Warranty and Support

The SMSL DO200 PRO comes with a standard manufacturer's warranty. Please refer to the included Warranty Card for specific terms and conditions. For technical support or service inquiries, contact your retailer or the manufacturer directly.

Keep your purchase receipt as proof of purchase for warranty claims.