1. Introduction
Thank you for choosing the SANSUI T92 Portable Bluetooth Karaoke Speaker. This device is designed to provide a high-quality audio experience with versatile playback options and a fun karaoke function. Featuring advanced Bluetooth 5.3 technology, a powerful subwoofer, and a long-lasting battery, the T92 is perfect for outdoor gatherings, parties, or simply enjoying music at home. This manual will guide you through the setup, operation, and maintenance of your new speaker.

Figure 1: SANSUI T92 Speaker with Microphone, emphasizing enhanced sound.
2. Safety Information
- Read all instructions carefully before using the product.
- Do not expose the speaker to extreme temperatures, direct sunlight, or high humidity.
- Keep the device away from water and other liquids. While waterproof, prolonged submersion is not recommended.
- Use only the specified charging voltage (DC 5V/2A) and compatible charging cables.
- Do not attempt to disassemble, repair, or modify the speaker or microphone. This will void the warranty and may cause damage or injury.
- Keep out of reach of children.
- Avoid listening at excessively high volumes for extended periods to prevent hearing damage.
3. Package Contents
Please check the package for the following items:
- SANSUI T92 Portable Bluetooth Karaoke Speaker
- Wireless Microphone
- USB Charging Cable (for speaker and microphone)
- AUX Audio Cable
- User Manual (this document)
4. Product Overview
Familiarize yourself with the various parts and controls of your SANSUI T92 speaker and wireless microphone.

Figure 2: Speaker Control Panel and Ports
Speaker Controls and Ports:
- DC 5V Input: For charging the speaker.
- USB Port: For USB flash drive playback.
- TF Card Slot: For TF (MicroSD) card playback.
- AUX Input: 3.5mm jack for wired audio input from external devices.
- GUITAR Input: 6.35mm jack for connecting musical instruments like guitars or pianos.
- MIC Input: For connecting a wired microphone (if applicable, though a wireless mic is included).
- Volume Knobs: Adjust master volume and microphone volume.
- Playback Controls: Play/Pause, Next/Previous Track, Mode selection.
- LED Display: Shows current mode, volume, or track information.
- RGB Lighting: Dynamic colorful lighting effects.

Figure 3: Wireless Microphone Features
Wireless Microphone Features:
- Power Button: Press and hold to turn on/off.
- Mode Button: Short press to switch between KTV mode and Host mode.
- Type-C Charging Port: For charging the microphone.
- High Sensitivity: Designed for clear vocal pickup.
5. Setup
5.1 Initial Charging
Before first use, fully charge both the speaker and the wireless microphone.
- Speaker: Connect the USB charging cable to the DC 5V input port on the speaker and a compatible USB power adapter (DC 5V/2A recommended). The charging indicator will show the charging status.
- Microphone: Connect the USB charging cable to the Type-C port on the microphone and a compatible USB power adapter. The indicator light on the microphone will show charging status.
5.2 Power On/Off
- Speaker: Press and hold the power button (usually located on the control panel) for a few seconds until the LED display lights up.
- Microphone: Press and hold the power button on the microphone until its indicator light turns on.
5.3 Bluetooth Pairing
The SANSUI T92 uses Bluetooth 5.3 for stable and efficient wireless connection.
- Turn on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing Bluetooth icon or a voice prompt.
- On your mobile device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "SANSUI T92" from the list of devices.
- Once connected, the speaker will emit a confirmation sound, and the Bluetooth indicator will stop flashing.
- To pair the wireless microphone, simply turn it on after the speaker is powered on. It should automatically connect to the speaker.

Figure 4: Bluetooth 5.3 Connectivity
6. Operating Instructions
6.1 Playback Modes
The SANSUI T92 supports multiple audio input sources:
- Bluetooth Mode: After successful pairing, play audio from your connected device.
- USB/TF Card Mode: Insert a USB flash drive or TF (MicroSD) card into the respective port. The speaker will automatically switch to the corresponding mode and begin playing MP3 lossless music.
- AUX Mode: Connect an external audio device (e.g., MP3 player, computer) to the AUX input using the 3.5mm audio cable. Press the 'Mode' button on the speaker to switch to AUX mode.
- Instrument Input: Connect a musical instrument to the 6.35mm GUITAR input. The speaker will amplify the instrument's sound.
6.2 Karaoke Function
The included wireless microphone allows for an immersive karaoke experience.
- Ensure the wireless microphone is powered on and connected to the speaker.
- Play your desired karaoke track via Bluetooth, USB, or TF card.
- Original Sound Cancellation: Some models feature a button to cancel the original vocals from a track, allowing you to sing along. Refer to the speaker's control panel for this function (often labeled 'Vocal Cut' or similar).
- Microphone Modes: Short press the mode button on the microphone to switch between KTV mode (for singing with effects) and Host mode (for clear speech).
- Adjust microphone volume using the dedicated knob on the speaker.
Video 1: SANSUI T92 Product Demonstration, showcasing its features and karaoke function.
6.3 Sound Modes
The speaker offers different sound modes for an optimized listening experience:
- Smart Sound Mode: Provides balanced audio for general listening.
- Extra Bass Mode: Enhances low frequencies for a deeper, more impactful sound, especially noticeable with the independent bass diaphragm.

Figure 5: Speaker's Bass Diaphragm for Enhanced Bass
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker and microphone. Do not use abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
8. Troubleshooting
If you encounter any issues with your SANSUI T92 speaker, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on | Low battery; Power button not pressed correctly | Charge the speaker fully; Press and hold the power button for 3-5 seconds. |
| No sound from speaker | Volume too low; Incorrect mode selected; Device not paired | Increase volume on speaker and source device; Switch to correct input mode (BT, USB, TF, AUX); Re-pair Bluetooth device. |
| Bluetooth pairing fails | Speaker not in pairing mode; Device too far; Interference | Ensure speaker is in pairing mode; Move devices closer; Turn off other Bluetooth devices nearby. |
| Microphone not working | Microphone off; Low battery; Not paired with speaker | Turn on microphone; Charge microphone; Ensure microphone automatically pairs with speaker after speaker is on. |
| Poor sound quality | Low quality audio source; Obstructions; Distance | Use high-quality audio files; Reduce distance between speaker and source; Remove obstructions. |
If the problem persists after trying these solutions, please contact customer support.
9. Specifications
The following table outlines the technical specifications of the SANSUI T92 Portable Bluetooth Karaoke Speaker:
| Feature | Specification |
|---|---|
| Brand Name | MDNG (SANSUI) |
| Model | T92 |
| Speaker Type | Portable |
| Audio Crossover | Full-Range |
| Number of Loudspeaker Enclosure | 1 |
| Input Power (W) | 50-99 W |
| Output Voltage | 60 W |
| PMPO | 60 W |
| Channels | 2 (2.0) |
| Battery | Yes |
| Battery Capacity | 6000 mAh (3.7V) |
| Power Source | Battery, AC |
| Input/Output | USB |
| Communication | USB |
| Bluetooth Version | 5.3 |
| Maximum Wireless Range | 10m-20m (approx. 10 meters) |
| Sound Mode | Smart Sound Mode, Extra Bass Mode |
| Frequency Range | 100Hz-18KHz |
| Sensitivity | 75dB |
| Impedance | 4 Ohm |
| Codecs | Apt-X HD |
| Waterproof | Yes |
| Support APP | Yes |
| Material | Plastic |
| Cabinet Material | Plastic |
| Playback Function | Radio, MP3 |
| Built-in Microphone | Yes |
| Intelligent Personal Assistant | M |
| Voice Control | No |
| Support Memory Card | Yes |
| Inbox Adaptor | Yes |
| Active Noise-Cancellation | Active |
| Use | Square Dancing |
| Category | Speakers |
| Dimensions (L*W*H) | 147mm * 97mm * 169mm |
| Weight | 1300g |
| Certification | CE, RoHS |

Figure 6: SANSUI T92 Product Parameters
10. User Tips
- Optimal Placement: For the best sound experience, place the speaker on a stable surface at ear level.
- Outdoor Use: The portable design and waterproof feature make it ideal for outdoor activities. Remember to keep it away from excessive moisture or direct heavy rain.
- Karaoke Fun: Experiment with the KTV and Host modes on the microphone to find the best setting for your performance.
- Battery Life: To maximize playtime, consider lowering the volume and turning off the RGB lighting when not needed.
- Connectivity: If experiencing Bluetooth issues, try disconnecting and reconnecting, or restarting both the speaker and your source device.

Figure 7: Portable Design with Leather Handle
11. Warranty and Support
The SANSUI T92 Portable Bluetooth Karaoke Speaker comes with a standard manufacturer's warranty. Please retain your proof of purchase for any warranty claims. For technical support, troubleshooting assistance, or inquiries about your product, please refer to the seller's contact information or the official SANSUI support channels.





