Introduction
The 1Mii DS200Pro is a high-fidelity Bluetooth 5.0 receiver designed to upgrade your existing stereo system with wireless audio streaming capabilities. Featuring an ESS DAC, aptX HD, and LDAC support, it delivers exceptional sound quality from your smartphone, tablet, or computer to your home audio setup.
Package Contents

Image Description: This image displays the complete contents of the 1Mii DS200Pro package. It includes the main wireless audio adapter unit, a USB charging cable, a 3.5mm female to 2RCA splitter cable, a 2RCA to 2RCA stereo audio cable, an optical cable, self-adhesive feet bumpers, and a user manual.
Please verify that all items are present in your package:
- 1Mii DS200Pro HiFi Bluetooth Receiver
- USB Charging Cable
- 3.5mm Female to 2RCA Splitter Cable
- 2RCA to 2RCA Stereo Audio Cable
- Optical Cable
- Self-adhesive Feet Bumpers
- User Manual
Product Overview

Image Description: A front-angle view of the 1Mii DS200Pro HiFi Bluetooth Receiver. The device is black with a prominent antenna on the left side. The front panel features the "DS200Pro HiFi Bluetooth Receiver" branding, a power button, and a blue indicator light.
The 1Mii DS200Pro is designed for seamless integration into your home audio system. Its compact and elegant design, crafted from high-quality aluminum, ensures both aesthetic appeal and effective electromagnetic shielding.

Image Description: This image illustrates the dimensions of the 1Mii DS200Pro receiver. The device measures 105mm in width, 90mm in depth, and 26mm in height (excluding the antenna). It highlights the compact form factor and the built-in ESS DAC chip specifications.
Setup Instructions
Follow these steps to connect and set up your 1Mii DS200Pro HiFi Bluetooth Receiver:
- Connect to Power: Connect the provided USB charging cable to the 5V DC In port on the back of the DS200Pro and plug the other end into a suitable USB power adapter (not included) or a USB port on your audio system.
- Connect to Audio System:

Image Description: The rear panel of the 1Mii DS200Pro receiver, highlighting its flexible output options. It features gold-plated RCA analog outputs (left and right channels) and a digital optical output. The 5V DC In port for power is also visible.
- Analog Connection (RCA): Use the supplied 2RCA to 2RCA stereo audio cable to connect the "Analog Out" ports on the DS200Pro to the RCA input ports on your amplifier or AV receiver.
- Digital Connection (Optical): Use the supplied optical cable to connect the "Digital Out" port on the DS200Pro to the optical input port on your amplifier or AV receiver.
- Power On: Press and hold the ON/OFF button on the DS200Pro for approximately 2.5 seconds until the indicator light illuminates, indicating the device is powered on and in pairing mode.
- Pair with Mobile Device:
- Enable Bluetooth on your mobile device (smartphone, tablet, etc.).
- Go to the Bluetooth settings menu on your device.
- Select "DS200Pro" from the list of available devices to establish a connection.
- Start Streaming: Once paired, you can begin streaming audio wirelessly from your device to your stereo system.
Operating Instructions
The 1Mii DS200Pro is designed for straightforward operation:
- Power On/Off:
- To power on and enter pairing mode: Press and hold the ON/OFF button for approximately 2.5 seconds.
- To power off: Press and hold the ON/OFF button for approximately 1 second.
- Play/Pause: While the DS200Pro is powered on and connected, briefly press the ON/OFF button to play or pause audio playback.
- Clear Bluetooth Pairing List: To clear all previously paired Bluetooth devices, press and hold the ON/OFF button for approximately 5 seconds. This will reset the pairing memory.

Image Description: This graphic illustrates the superior data transmission of LDAC (96kHz, 990kbps) compared to aptX HD (48kHz, 328kbps), indicating a higher quality audio experience. A smartphone is shown wirelessly connected to the DS200Pro, which is linked to a stereo receiver.
The DS200Pro supports various high-quality audio codecs, including LDAC, aptX HD, aptX, aptX LL, AAC, and SBC, ensuring optimal sound reproduction.

Image Description: This image highlights the strong decoding format support of the 1Mii DS200Pro, which includes LDAC, aptX HD, aptX Low Latency, AAC, and SBC, contributing to enhanced sound quality.
Maintenance
To ensure the longevity and optimal performance of your 1Mii DS200Pro, follow these maintenance guidelines:
- Keep the device clean by wiping it with a soft, dry cloth. Avoid using liquid cleaners or abrasive materials.
- Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid exposing the device to water or excessive moisture.
- Do not attempt to disassemble or repair the device yourself, as this will void the warranty and may cause damage.
Troubleshooting
If you encounter issues with your 1Mii DS200Pro, refer to the following common troubleshooting steps:
- No Power:
- Ensure the USB charging cable is securely connected to both the DS200Pro and a working power source.
- Try a different USB power adapter or USB port.
- Cannot Pair with Device:
- Make sure the DS200Pro is in pairing mode (indicator light should be active after holding the ON/OFF button for 2.5 seconds).
- Ensure Bluetooth is enabled on your mobile device.
- Move your mobile device closer to the DS200Pro.
- Clear the Bluetooth pairing list on the DS200Pro by holding the ON/OFF button for 5 seconds, then attempt to pair again.
- Restart both the DS200Pro and your mobile device.
- No Audio Output:
- Verify that the audio cables (RCA or Optical) are correctly and securely connected between the DS200Pro and your audio system.
- Ensure your audio system is set to the correct input source (e.g., "AUX," "Optical In").
- Check the volume levels on both your mobile device and your audio system.
- If using LDAC and experiencing issues, disable LDAC on your mobile device if it does not support a 96 kHz sampling codec.
- Poor Sound Quality or Intermittent Connection:
- Ensure there are no obstructions between the DS200Pro and your mobile device.
- Reduce the distance between the devices.
- Avoid placing the DS200Pro near other wireless devices that may cause interference (e.g., Wi-Fi routers, microwaves).
- Try clearing the Bluetooth pairing list and re-pairing.
Specifications

Image Description: An exploded view of the 1Mii DS200Pro's internal circuitry, highlighting key components such as the ESS9018K2M Audiophile DAC, Nichicon Multi-stage Audio Capacitor Array, Low-noise Amplifier, Gold-plated RCA outputs, High-speed Optical Output Port, and the Bluetooth 5.3 Chip supporting LDAC lossless audio decoding.
| Feature | Detail |
|---|---|
| Brand | 1Mii |
| Model Number | DS200Pro |
| Color | Black |
| Connectivity Technology | Bluetooth 5.0 |
| Bluetooth Chipset | CSR8675 |
| DAC Chip | ESS ES9018K2M SABRE32 (384 kHz / 32 bit) |
| Supported Audio Codecs | LDAC, aptX HD, aptX, aptX LL, AAC, SBC |
| Audio Outputs | Analog RCA, Digital Optical (SPIDIF) |
| Compatible Devices | Speakers, Smartphones, Tablets, AV Receivers, Amplifiers |
| Material | Aluminum |
| Number of Channels | 2 |
| Weight | 12 Ounces (approx. 340g) |
Warranty Information
The 1Mii DS200Pro HiFi Bluetooth Receiver comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package or visit the official 1Mii website for detailed terms and conditions regarding warranty coverage, duration, and claims process.
Customer Support
For further assistance, technical support, or inquiries regarding your 1Mii DS200Pro, please contact 1Mii customer support through their official website or the contact information provided in your product documentation. When contacting support, please have your model number (DS200Pro) and purchase details ready.





