1. Introduction
Thank you for choosing the SHIDU M800 Portable Voice Amplifier. This device is designed to provide clear and powerful sound amplification, making it ideal for teachers, public speakers, tour guides, and anyone needing to project their voice effectively. With its robust IPX5 waterproof, fall-proof, and dustproof design, along with versatile features like Bluetooth connectivity, recording, and power bank functionality, the M800 is built for various demanding environments.
2. Package Contents
Please check the box for the following items:
- SHIDU M800 Voice Amplifier (Black or Green)
- Wired Headset Microphone
- USB Charging Cable
- Audio Cable (AUX)
- Waistband/Strap
- User Manual
3. Product Overview
The SHIDU M800 features a compact and durable design with intuitive controls.
3.1 Device Layout
- Mode Switch (M): Press to cycle through modes (Amplifier, Bluetooth, TF Card, USB, AUX).
- Previous/Volume- (<< / V-): Short press for previous track (media modes), long press to decrease volume.
- Power Key / Play/Pause (>||): Long press to power on/off. Short press to play/pause media.
- Next/Volume+ (>> / V+): Short press for next track (media modes), long press to increase volume.
- Recording Button (Mic icon): Short press to start/stop recording.
- Micro SD Slot: Insert a Micro SD card for media playback.
- USB Port: Insert a USB drive for media playback or use as a power bank.
- AUX Port: Connect external audio devices via the provided audio cable.
- DC 5V Charging Port: Connect the USB charging cable to charge the device.
4. Specifications
| Feature | Specification |
|---|---|
| Output Power | 18W |
| Charging Voltage | DC 5V, 1A |
| Lithium Battery | 3.7V 4400mAh |
| Working Hours | 8-10 hours (Amplification mode) |
| Charging Time | 3-5 hours |
| Product Dimensions | 96 x 45 x 120 mm |
| Unit Weight | 388 grams |
| Gross Weight (with package) | 670 grams |
| Working Temperature | -10℃ ~ 45℃ |
| Frequency Response | 80 Hz ~ 18 kHz |
| Wireless Distance (UHF) | 30-35 meters |
| Communication | Wired (for microphone) |
| Set Type | Single Microphone |
| Transducer | Condenser Microphone |
| Use Case | Teaching |
| Style | Hanging Microphones |
| Origin | Mainland China |
| Certification | CE, FCC |
| Built-in Battery | Yes |
| Waterproof Rating | IPX5 |
5. Setup
5.1 Charging the Amplifier
- Open the protective cover on the side of the amplifier to reveal the DC 5V charging port.
- Connect the USB charging cable to the DC 5V port on the amplifier and the other end to a 5V/1A USB power adapter (not included) or a computer's USB port.
- The LED display will indicate charging status. A full charge typically takes 3-5 hours.
- Once fully charged, disconnect the cable and close the protective cover to maintain IPX5 rating.
5.2 Connecting the Wired Microphone
- Insert the 3.5mm jack of the wired headset microphone into the AUX port on the side of the amplifier.
- Position the headset microphone comfortably on your head, ensuring the microphone is close to your mouth for optimal sound pickup.
6. Operating Instructions
6.1 Power On/Off
Long press the Power Key (>||) for approximately 3 seconds to turn the amplifier on or off. The LED display will light up when powered on.
6.2 Voice Amplification Mode
- Ensure the wired microphone is connected to the AUX port.
- Power on the amplifier. It should automatically enter amplification mode. If not, press the 'M' (Mode) button until you hear an indication or see the appropriate display.
- Speak into the microphone. Adjust the volume using the Volume+ and Volume- buttons on the top panel.
6.3 Bluetooth Mode
- Power on the amplifier. Press the 'M' (Mode) button until you hear "Bluetooth Mode" or see a Bluetooth icon/indicator on the display.
- On your mobile device, enable Bluetooth and search for "SD-M800".
- Select "SD-M800" to pair. Once paired, you can play audio from your device through the amplifier.
6.4 Media Playback (TF Card / USB)
- Insert a Micro SD card into the Micro SD slot or a USB drive into the USB port.
- Power on the amplifier. Press the 'M' (Mode) button to switch to TF Card or USB mode. The amplifier will automatically detect and play audio files.
- Use the Previous/Volume- and Next/Volume+ buttons for track navigation and volume control.
- Press the Play/Pause button to pause or resume playback.
6.5 AUX Input Mode
- Connect an external audio device (e.g., smartphone, laptop) to the AUX port using the provided audio cable.
- Power on the amplifier. Press the 'M' (Mode) button to switch to AUX mode.
- Play audio from your external device. The amplifier will act as an external speaker.
6.6 Recording Function
- Ensure a Micro SD card or USB drive is inserted into the amplifier.
- In any mode (except Bluetooth audio playback), short press the Recording button (Mic icon) to start recording.
- Short press the Recording button again to stop recording. The recorded file will be saved to the inserted storage device.
6.7 Power Bank Function
The SHIDU M800 can be used as an emergency power bank. Connect your mobile device to the USB port on the amplifier using your device's charging cable. The amplifier's 4400mAh battery can provide a charge to your device.
6.8 TWS Function (True Wireless Stereo)
If you have two SHIDU M800 units, you can pair them together for a True Wireless Stereo experience. Refer to the specific TWS pairing instructions in your full manual or contact support for details.
7. Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the amplifier in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, charge the device regularly, even if not in frequent use. Avoid fully discharging the battery for extended periods.
- Water Resistance: While IPX5 rated, ensure all port covers are securely closed to prevent water ingress. Do not submerge the device in water.
8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| No sound from amplifier | Ensure the device is powered on and charged. Check volume levels. Ensure microphone is properly connected and switched on (if applicable). Verify correct mode is selected. |
| Microphone feedback/howling | Reduce volume. Move the microphone further away from the amplifier speaker. Adjust microphone position to avoid pointing directly at the speaker. |
| Bluetooth pairing failed | Ensure the amplifier is in Bluetooth mode. Turn off and on Bluetooth on your mobile device. Make sure no other devices are connected to the amplifier. Try restarting both devices. |
| Cannot play media from USB/TF card | Ensure the storage device is inserted correctly. Check if the files are in a supported format (e.g., MP3). Press the 'M' button to ensure the correct mode is selected. |
| Device not charging | Check if the charging cable is securely connected. Ensure the power adapter is working. Try a different USB port or adapter. |
| Power bank function not working | Ensure the amplifier has sufficient battery charge. Check the connection cable to your mobile device. |
9. User Tips
- For optimal voice amplification, position the headset microphone about 1-2 inches from your mouth.
- When using the amplifier outdoors or in dusty environments, always ensure the port covers are tightly sealed to maintain its IPX5 rating.
- To conserve battery life, remember to turn off the amplifier when not in use.
- Experiment with different volume levels and microphone placements to find the best sound quality for your specific environment.
10. Warranty and Support
The SHIDU M800 Portable Voice Amplifier comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact your retailer or the SHIDU customer service directly.
