1. Introduction
Thank you for purchasing the Media-Tech FUNBOX BT MT3181 Portable Bluetooth Karaoke Speaker. This manual provides detailed instructions on how to set up, operate, and maintain your speaker to ensure optimal performance and longevity. Please read this manual thoroughly before using the product and keep it for future reference.
2. Safety Instructions
- Do not expose the speaker to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the speaker to strong impacts.
- Do not attempt to disassemble or repair the speaker yourself. Refer all servicing to qualified personnel.
- Keep the speaker away from heat sources such as radiators, stoves, or other heat-producing appliances.
- Use only the specified charging cable (USB/USB-C) to charge the device.
- Do not block ventilation openings.
- Ensure proper ventilation when operating the speaker.
- Dispose of batteries responsibly according to local regulations.
3. Package Contents
Please check the box for the following items:
- Media-Tech FUNBOX BT MT3181 Portable Bluetooth Karaoke Speaker
- Wired Microphone
- USB to USB-C Charging Cable
- User Manual
4. Product Overview
4.1 Front View
Image: Front view of the speaker showcasing the dual drivers and RGB lighting.
4.2 Top Control Panel
Image: Top panel showing control buttons for LED, Mode, Playback, Volume, and Bass.
4.3 Rear Panel
Image: Rear panel displaying the AUX, USB, Micro SD card slots, and charging port.
4.4 Microphone
Image: Detailed view of the wired microphone with ON/OFF switch.
5. Setup
5.1 Charging the Speaker
- Connect the supplied USB to USB-C charging cable to the USB-C port on the rear panel of the speaker.
- Connect the other end of the USB cable to a USB power adapter (not included) or a computer's USB port.
- The charging indicator (if available) will show the charging status. A full charge provides up to 10 hours of playback.
5.2 Powering On/Off
Locate the power button on the control panel. Press and hold the power button for a few seconds to turn the speaker ON or OFF.
5.3 Microphone Connection
Insert the 6.3mm jack of the wired microphone into the microphone input port on the rear panel of the speaker.
6. Operating Instructions
6.1 Bluetooth Connection
- Turn on the speaker. It will automatically enter Bluetooth pairing mode.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "FUNBOX BT MT3181" from the list of devices.
- Once connected, you will hear a confirmation sound, and the speaker's Bluetooth indicator will remain steady.
TWS (True Wireless Stereo) Function
To connect two MT3181 speakers for a stereo experience:
- Ensure both speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press and hold the TWS button (if available, or a combination of buttons as per specific model instructions, typically the 'Mode' button for a few seconds).
- The two speakers will automatically pair with each other. A confirmation sound will indicate successful pairing.
- Connect your mobile device to the primary speaker via Bluetooth as described above. Both speakers will now play audio in stereo.
6.2 MP3 Playback (Micro SD / USB)
- Insert a Micro SD card (up to 64GB) or a USB flash drive containing MP3 audio files into the respective slot on the rear panel.
- The speaker will automatically switch to MP3 playback mode. If not, press the 'Mode' button to cycle through modes until MP3 mode is active.
- Use the playback control buttons (Play/Pause, Next/Previous Track) on the top panel to manage your music.
6.3 AUX Input
- Connect one end of a 3.5mm audio cable (not included) to the AUX input port on the rear panel of the speaker.
- Connect the other end of the cable to the audio output of your external device (e.g., smartphone, laptop, MP3 player).
- Press the 'Mode' button on the speaker until AUX mode is selected.
- Audio will now play through the speaker from your connected device.
6.4 Karaoke Function
- Ensure the wired microphone is securely connected to the 6.3mm microphone input.
- Play your desired karaoke track via Bluetooth, MP3, or AUX mode.
- Adjust the microphone volume using the dedicated control (if available) or the main volume controls.
- Use the 'Equalizer' function (if available) to fine-tune the sound for optimal vocal performance.
6.5 RGB Lighting
Press the 'LED' button on the top control panel to cycle through different RGB lighting modes or to turn the lighting ON/OFF.
6.6 Control Buttons Overview
- LED: Controls RGB lighting modes.
- MODE: Switches between Bluetooth, MP3 (USB/Micro SD), and AUX input modes.
- ◀◀ (Previous Track): Short press for previous track; Long press for Volume Down.
- ▶▶ (Next Track): Short press for next track; Long press for Volume Up.
- ▶▌▌ (Play/Pause/Repeat): Plays or pauses current track. May also control repeat function in MP3 mode.
- VOL-: Decreases volume.
- VOL+: Increases volume.
- BASS: Adjusts bass level.
7. Maintenance
7.1 Cleaning
Wipe the speaker's exterior with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish.
7.2 Storage
When not in use for extended periods, store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures. It is recommended to charge the battery periodically to maintain its health.
7.3 Battery Care
To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker when the battery low indicator appears. Do not leave the speaker uncharged for very long periods.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Battery is depleted. | Charge the speaker using the provided USB-C cable. |
| No sound. | Volume is too low or muted. Incorrect input mode. | Increase volume. Press 'MODE' button to select correct input (Bluetooth, AUX, MP3). |
| Bluetooth connection fails. | Speaker not in pairing mode. Device too far. Interference. | Ensure speaker is in Bluetooth mode. Move device closer. Turn off other Bluetooth devices. |
| Microphone not working. | Microphone not properly connected. Microphone switch OFF. | Ensure microphone is fully inserted into the 6.3mm jack. Check if the microphone's ON/OFF switch is in the 'ON' position. |
| Poor sound quality. | Low battery. Source audio quality. | Charge the speaker. Try a different audio source or file. |
9. Specifications
| Feature | Specification |
|---|---|
| Model | MT3181 |
| Brand | Media-Tech |
| Connectivity Technology | Bluetooth 5.0 + EDR, A2DP, AVRCP |
| Output Power | RMS 40W, PMPO 1000W |
| Frequency Response | 100 ~ 20000 Hz |
| Speaker Drivers | Two 4-inch (10.2 cm) speakers |
| Battery Type | Built-in rechargeable Lithium-ion |
| Battery Life | Up to 10 hours |
| Charging | 5V via USB/USB-C cable |
| Supported Media | Micro SD cards (up to 64GB), USB drives |
| Input Ports | AUX, USB, Micro SD, 6.3mm Microphone Jack |
| Special Features | Karaoke Function, TWS Function, RGB Color Lighting, MP3 Player, Equalizer |
| Dimensions (L x W x H) | 180 x 170 x 395 mm (7.1 x 6.7 x 15.6 inches) |
| Weight | 1.97 kg (4.34 lbs) |
10. Warranty and Support
This product is covered by a manufacturer's warranty. Please refer to the warranty card included in your package or visit the official Media-Tech website for detailed warranty terms and conditions.
For technical support, troubleshooting assistance, or spare parts inquiries, please contact Media-Tech customer service through their official website or the contact information provided on your product packaging.
Official Website: www.media-tech.eu
