Introduction
Thank you for choosing the AUNA Microstar Sing Vertical Karaoke Micro System. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
Safety Instructions
- Read all instructions carefully before operating the unit.
- Keep the unit away from water, moisture, and direct sunlight.
- Do not block ventilation openings. Ensure adequate space around the unit for proper airflow.
- Use only the power adapter supplied with the unit.
- Do not attempt to repair or modify the unit yourself. Refer all servicing to qualified personnel.
- Clean the unit only with a dry, soft cloth. Do not use liquid cleaners or aerosols.
- Keep small parts and packaging materials out of reach of children.
Package Contents
Please check the package for the following items:
- AUNA Microstar Sing Main Unit
- Stereo Speakers (2 units)
- Wired Microphone
- Power Adapter
- User Manual (this document)
Product Overview
The AUNA Microstar Sing is a versatile micro system designed for karaoke and audio playback. It features a compact design, multiple input options, and integrated LED lighting.



Key Features:
- Space-saving vertical design
- CD player compatible with standard audio CDs, CD-R, CD-RW, MP3 CDs, and CD-G (Karaoke CDs with graphics)
- Video output (composite PAL) for displaying CD-G lyrics on an external screen
- Bluetooth interface for wireless audio streaming
- USB port for MP3 playback from USB storage devices
- FM radio tuner with 30 preset stations
- Two microphone inputs for duets
- Integrated LED lighting for ambiance
- AUX-In for connecting external audio sources
Setup
1. Unpacking and Placement:
Carefully remove all components from the packaging. Place the main unit and speakers on a stable, flat surface. Ensure there is adequate ventilation around the unit.
2. Connecting the Speakers:
Connect the two stereo speakers to the speaker output ports on the main unit. Ensure a secure connection for optimal sound quality.
3. Power Connection:
Connect the supplied power adapter to the DC 5V input on the main unit, then plug the adapter into a wall outlet.
4. Microphone Connection:
Plug the wired microphone into one of the MIC input jacks (MIC 1 or MIC 2) on the main unit.
5. Video Output (for CD-G):
If using CD-G discs, connect a composite video cable (not included) from the VIDEO OUT port on the main unit to the video input of your TV or monitor.

Operating Instructions
1. Power On/Off:
Press the POWER button to turn the unit on or off.
2. Source Selection:
Press the SOURCE button repeatedly to cycle through available modes: CD, Bluetooth (BT), USB, FM, AUX.
3. CD Playback:
- Select CD mode using the SOURCE button.
- Open the CD compartment.
- Place a CD (audio CD, CD-R, CD-RW, MP3 CD, or CD-G) onto the spindle with the label side facing up.
- Close the CD compartment. The disc will begin playing automatically or after pressing PLAY/PAUSE.
- Use PREVIOUS and NEXT buttons to skip tracks.

4. Bluetooth Pairing:
- Select BT mode using the SOURCE button. The display will show "BT" and flash, indicating pairing mode.
- Enable Bluetooth on your mobile device (smartphone, tablet, etc.).
- Search for "AUNA Microstar Sing" in your device's Bluetooth settings and select it to pair.
- Once paired, you can stream audio wirelessly from your device to the Microstar Sing.

5. USB Playback:
- Insert a USB flash drive containing MP3 audio files into the USB port.
- Select USB mode using the SOURCE button.
- The unit will automatically detect and begin playing MP3 files.
- Use PREVIOUS and NEXT buttons to navigate tracks.
6. FM Radio:
- Select FM mode using the SOURCE button.
- Press the SCAN button to automatically scan and save available FM stations.
- Use the PRESET + and PRESET - buttons to cycle through saved stations.
7. Karaoke Function:
With a CD-G disc playing and connected to a TV, or any audio source playing, adjust the microphone volume using the dedicated MIC VOLUME knob. Sing along with the music. The LED lighting will enhance the karaoke experience.
8. Volume Control:
Adjust the overall volume using the MASTER VOLUME knob. The BASS knob allows for bass level adjustment.
9. LED Light Show:
Press the LIGHT SHOW button to activate or deactivate the integrated LED lighting effects.
Maintenance
Cleaning:
Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish. Ensure the unit is unplugged before cleaning.
Storage:
If not in use for an extended period, unplug the unit and store it in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter not connected or faulty outlet. | Ensure the power adapter is securely connected to the unit and a working power outlet. |
| No sound | Volume too low; incorrect source selected; speakers not connected. | Increase master volume. Select the correct input source. Check speaker connections. |
| CD not playing | CD inserted incorrectly; disc scratched/dirty; incorrect mode. | Ensure CD is inserted correctly. Clean or replace the disc. Select CD mode. |
| Bluetooth not connecting | Unit not in pairing mode; device too far; Bluetooth off on source device. | Ensure unit is in BT mode and flashing. Move device closer. Enable Bluetooth on your device. |
| Microphone not working | Microphone not connected; MIC volume too low. | Ensure microphone is securely plugged in. Increase MIC volume. |
| Poor FM radio reception | Weak signal; antenna not positioned correctly. | Adjust the position of the unit or external antenna (if applicable) for better reception. |
Specifications
| Feature | Specification |
|---|---|
| Brand | AUNA |
| Model Number | MG3-9200-hghg |
| Color | Silver |
| Connectivity Technology | Bluetooth, USB |
| Connections | USB, AUX-In, Microphone (2), Video Out (Composite) |
| Total USB Ports | 1 |
| Media Type | CD-RW, USB, MP3 CD, CD-G |
| Number of Speakers | 2 (Stereo) |
| Components Included | Microphone |
| Recommended Uses | Home |
| Main Unit Dimensions (WxHxD) | 18 x 23 x 12.5 cm |
| Speaker Dimensions (WxHxD, each) | 13 x 23 x 12 cm |

Warranty and Support
For warranty information and technical support, please refer to the warranty card included with your product or contact AUNA customer service directly. Keep your proof of purchase for any warranty claims.
For further assistance, please visit the official AUNA website or contact their support channels.





