1. Introduction
Thank you for choosing the Bluetooth receiver from Shenzhen Feixiang Digital Technology Co., Ltd. This Bluetooth receiver features advanced design, meticulously crafted with high-end audiophile components, a mini stylish appearance, simple operation, and excellent sound quality, bringing you a unique auditory experience. For safety, please read this manual before using the product and keep it for future reference.
2. Package Contents
Please check the package contents upon unboxing to ensure all items are present and in good condition:
- BL-MUSE-01 PRO+ Bluetooth Audio Receiver ×1
- 12V Power Adapter ×1
- Bluetooth Antenna ×1
- User Manual ×1
3. Product Overview
3.1 Front Panel
- Power Switch (ON/OFF): Long press for 2 seconds to turn the device on/off. Short press to switch between analog and digital signals.
- Power Light: Indicates the power status.
- Bluetooth Light: Indicates Bluetooth connection status.
- Signal Output Light: Lights up only when a signal is being output.
3.2 Rear Panel
- RF Antenna Interface (ANT): Connects to the Bluetooth antenna for receiving audio from Bluetooth-enabled devices like mobile phones, tablets, or computers.
- Optical Out: Optical fiber output interface, connects to amplifiers or headphone amplifiers with optical input.
- Coaxial Out: Coaxial output interface, connects to amplifiers or headphone amplifiers with coaxial input.
- R Out (Right Channel Output): Right channel analog output interface, connects to amplifiers or active speakers with analog input.
- L Out (Left Channel Output): Left channel analog output interface, connects to amplifiers or active speakers with analog input.
- Power (DC 12V): Power input interface. Connect to a 12V DC power supply, 1A current, with positive inner and negative outer pole. The outer diameter is 5.5mm and inner diameter is 2.1mm.
Note: Please use the provided power adapter. Using a power supply with poor filtering may cause current noise.
4. Setup and Connection
The BL-MUSE-01 PRO+ can connect to various audio systems. Ensure all connections are secure before powering on.
4.1 Connecting to an Amplifier with RCA Input
This diagram illustrates connecting the Bluetooth receiver to an amplifier with RCA inputs (for reference only).
- Ensure the Bluetooth antenna is securely attached to the ANT port on the receiver.
- Connect the R OUT and L OUT ports of the BL-MUSE-01 PRO+ to the corresponding R and L AUDIO INPUT ports on your amplifier using RCA cables.
- Connect the 12V DC power adapter to the receiver's POWER input.
- Power on the receiver and your amplifier.
- Pair your Bluetooth device (e.g., phone, tablet, computer) with the receiver. The Bluetooth device name is BL-MUSE-01.
4.2 Connecting to an Amplifier with Optical or Coaxial Input
This diagram illustrates connecting the Bluetooth receiver to an amplifier with optical/coaxial inputs (for reference only).
- Ensure the Bluetooth antenna is securely attached to the ANT port on the receiver.
- Connect either the OPTICAL OUT or COAXIAL OUT port of the BL-MUSE-01 PRO+ to the corresponding OPTICAL INPUT or COAXIAL INPUT port on your amplifier using an optical or coaxial cable, respectively.
- Connect the 12V DC power adapter to the receiver's POWER input.
- Power on the receiver and your amplifier.
- Pair your Bluetooth device (e.g., phone, tablet, computer) with the receiver. The Bluetooth device name is BL-MUSE-01.
5. Operating Instructions and Precautions
- Please strictly follow the wiring instructions in this manual.
- Do not short-circuit or ground the output terminals of this device.
- If you need to disconnect the power, please turn off the device first.
- Do not unplug audio cables while a signal is being input and audio is playing (e.g., music, movies, games).
- Do not place the device in high temperature or humid environments. If fragments or liquids accidentally enter the device, immediately cut off the power and contact professional personnel for inspection before further use. The product is not designed to withstand strong impacts.
- Do not disassemble the device or replace components without authorization. If disassembly or replacement of internal components (such as op-amps) is required, please contact us first. The company will not provide returns or exchanges for disassembled machines, and any repair costs incurred due to damage from disassembly will be borne by the buyer.
- This device should be used with the original power adapter or an approved power adapter.
- For your hearing health, and to ensure optimal sound quality, please control the volume to a moderate level that is comfortable and distortion-free.
- This device is intended for indoor use only.
- When the device is not in use for a long period, please unplug the power adapter.
- The computer system volume cannot adjust the volume of digital audio signals output by this device.
6. Troubleshooting
If you encounter any issues with your BL-MUSE-01 PRO+, please refer to the table below for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Cannot power on | Power not connected | Connect power correctly, or disconnect and reconnect power to restart. |
| No sound | No audio source output | Adjust or check the audio source. |
| Amplifier volume set too low | Adjust amplifier volume. | |
| Incorrect input selection on device | Switch to the correct input with an audio source. | |
| Amplifier not working or incorrectly wired | Replace amplifier or carefully check wiring. | |
| Device not powered on or audio source not connected | Check if device is powered on and audio source is properly connected. | |
| Noise | Specific noise type | Replace power supply, signal cable, or audio source for testing. |
| Playing multi-channel audio with noise | Unsupported format | Change audio format output to PCM. |
| Bluetooth not recognized | Bluetooth in stopped pairing state | Delete all connected devices from your phone, restart phone and Bluetooth receiver. |
| Power indicator not lighting up | Is the device powered on or is the power supply connected correctly? | Restart the device or replace the power supply. |
7. Specifications
| Input | Bluetooth |
| Output | Analog (RCA), Optical, Coaxial |
| Bluetooth Version | BT 5.0 (QCC3031) |
| Supported Formats | APTX HD, APT-X, AAC, SBC |
| Bluetooth Distance | Up to 10 meters (distance varies with signal intensity) |
| Sampling Frequency | 24Bit/48KHz |
| Frequency Response | ±2dB (10Hz-20KHz) |
| Signal-to-Noise Ratio (SNR) | 110dB |
| Total Harmonic Distortion (THD) | 0.04% |
| Output Level | 2.5Vrms |
| Working Voltage | DC 12V |
| Power Consumption | 3W |
| Dimensions (WxHxD) | 98mm × 58mm × 30mm |
| Weight | 0.2kg |
| Body Material | Aluminum |
| WIFI | No |
| Built-in Battery | No |
8. Maintenance
8.1 Power Check
- Ensure the power supply is DC and its voltage does not exceed the specified range for the device. Do not power on if the voltage is incorrect. If using a battery, ensure correct polarity (positive inner, negative outer).
- Check that the power plug is fully inserted and not loose. Ensure the voltage in the operating environment is stable.
8.2 Daily Maintenance
- Take anti-moisture and anti-pollution measures.
- Cleaning should be performed when the device is powered off.
- Place the device in a safe location during use. Do not stack items on top of it.
- If a malfunction occurs, please contact professional technical personnel for repair. Do not disassemble the product without authorization.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or authorized distributor from whom you purchased the product. Please have your purchase receipt and product model number ready when contacting support.
A digital version of this user manual is available for download. Please refer to the following link for the PDF document: User Manual (PDF)
