Introduction
The Shidu M800 is a versatile and portable voice amplifier designed to project your voice clearly and loudly. It features Bluetooth connectivity, an FM radio, and supports playback from TF cards and USB flash drives. Its robust design makes it suitable for various indoor and outdoor applications, including teaching, public speaking, and guiding tours.
Image: Front view of the Shidu M800 voice amplifier in green, with the wired headset microphone connected.
Safety Information
- Do not immerse the voice amplifier in water. While it is IPX5 water-resistant, it is not designed for submersion.
- The wired headset microphone is not waterproof. Avoid exposing it to water.
- Ensure the speaker and microphone are kept at a sufficient distance from each other during operation to prevent feedback noise (howling).
- Use only the provided charging cable and adapter, or a compatible 5V charger, to charge the device.
- Keep the device away from extreme temperatures, direct sunlight, and high humidity.
Package Contents
Please check the package for the following items:
- Shidu M800 Voice Amplifier
- Wired Headset Microphone
- USB Charging Cable
- Adjustable Waistband Clip Belt
- User Manual (this document)
Product Overview
Image: Diagram showing the Shidu M800 voice amplifier with labels for Mode switch, Previous/Volume+, Power key/Play pause, Next/Volume-, and Recording button. Product dimensions are also shown.
Familiarize yourself with the various ports and controls:
- Power Key / Play Pause: Press and hold to power on/off. Short press to play/pause audio.
- Mode Switch: Cycles through different modes (Voice Amplifier, Bluetooth, FM Radio, TF Card, USB Disk).
- Previous / Volume+: Short press for previous track. Long press to increase volume.
- Next / Volume-: Short press for next track. Long press to decrease volume.
- Recording Button: Initiates recording (requires TF card or USB disk).
- Microphone Input: Port for connecting the wired headset microphone.
- USB Port: For USB flash drive playback and charging external devices.
- TF Card Slot: For TF card playback and recording storage.
- AUX Input: For connecting external audio devices via a 3.5mm audio cable.
- Charging Port: For charging the amplifier's internal battery.
Setup
1. Charging the Amplifier
- Before first use, fully charge the amplifier.
- Connect the USB charging cable to the amplifier's charging port and the other end to a USB power source (e.g., computer USB port, USB wall adapter).
- The charging indicator will show the charging status. A full charge typically takes 3-5 hours.
- Once fully charged, the amplifier can provide up to 12 hours of playtime in microphone mode.
2. Connecting the Headset Microphone
- Insert the 3.5mm plug of the wired headset microphone firmly into the microphone input port on the amplifier.
- Position the microphone near your mouth for optimal voice pickup.
Operating Instructions
Power On/Off
- To power on, press and hold the Power Key until the display lights up.
- To power off, press and hold the Power Key again until the display turns off.
Voice Amplification Mode
- After powering on and connecting the headset microphone, the amplifier will typically default to voice amplification mode.
- Speak into the microphone. Your voice will be amplified through the speaker.
- Adjust the volume using the Volume+ and Volume- buttons.
Bluetooth Mode
- Press the Mode Switch button until "Bluetooth" or a Bluetooth icon appears on the display.
- On your Bluetooth-enabled device (e.g., smartphone, tablet), search for available Bluetooth devices.
- Select "SHIDU M800" from the list to pair. A confirmation sound will indicate successful pairing.
- You can now stream audio from your device to the amplifier.
TF Card / USB Disk Playback
- Insert a TF card into the TF card slot or a USB flash drive into the USB port.
- Press the Mode Switch button to select the appropriate mode (TF Card or USB Disk).
- The amplifier will automatically begin playing audio files (e.g., MP3) from the inserted storage device.
- Use the Previous and Next buttons to navigate tracks.
- Press the Play Pause button to pause or resume playback.
FM Radio Mode
- Press the Mode Switch button until "FM" appears on the display.
- To auto-scan and save available FM stations, long press the Play Pause button. The amplifier will scan and store stations.
- Use the Previous and Next buttons to switch between saved FM stations.
Recording Function
- Ensure a TF card or USB flash drive is inserted.
- Press the Recording Button to start recording. Press it again to stop recording.
- Recordings will be saved to the inserted storage device.
Mobile Power Function (Power Bank)
- The amplifier can be used to charge other devices.
- Connect your mobile device's charging cable to the USB port on the amplifier.
- Charging will begin automatically. Note that using this feature will reduce the amplifier's battery life.
Image: The Shidu M800 voice amplifier shown outdoors, demonstrating its portability and ability to charge a smartphone via its USB port.
Maintenance
- Cleaning: Wipe the amplifier with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures. If storing for a long period, charge the battery to about 50% every few months to maintain battery health.
- Water Resistance: The amplifier has an IPX5 water-resistant rating, meaning it can withstand splashes and light rain. However, it is not designed to be submerged in water. Ensure all ports are dry before charging.
- Microphone Care: The headset microphone is not waterproof. Keep it dry and clean. Avoid bending the microphone arm excessively.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from amplifier. | Device is off; low battery; volume too low; microphone not connected or faulty. | Ensure device is powered on. Charge the battery. Increase volume. Check microphone connection. |
| Howling or feedback noise. | Microphone too close to the speaker; volume too high. | Increase the distance between the microphone and the amplifier. Reduce the volume. |
| Bluetooth pairing failure. | Amplifier not in Bluetooth mode; device too far; previously paired. | Ensure amplifier is in Bluetooth mode. Move device closer. Unpair from previous devices and try again. |
| TF card/USB disk not playing. | Incorrect mode; unsupported file format; faulty card/disk. | Switch to correct mode. Ensure files are MP3 format. Try a different card/disk. |
| Battery not charging. | Faulty cable/adapter; charging port issue. | Try a different USB cable and power adapter. Ensure the charging port is clean and undamaged. |
Specifications
| Model | M800 |
| Output Power | 18W |
| Battery Capacity | 4400mAh Lithium Battery |
| Playtime | Up to 12 hours (microphone mode) |
| Charging Time | 3-5 hours |
| Sound Coverage | Approx. 10000 sq.ft (1000 ㎡) |
| Recommended Audience | 20-65 people |
| Connectivity | Bluetooth, AUX, TF Card, USB Disk |
| Water Resistance | IPX5 (amplifier unit) |
| Dimensions (L x W x H) | 3.78 x 1.77 x 4.72 inches (96 x 45 x 120 mm) |
| Weight | 1.34 pounds (0.61 kg) |
| Material | TPU unbreakable silicone, ABS |
| Power Source | Battery Powered |
| UPC | 652401723646 |
Warranty and Support
Information regarding specific warranty terms and customer support contact details is not provided in this manual. Please refer to the product packaging or the seller's website for warranty information and support contacts.
Additional Notes
No official product videos were available for inclusion in this manual.
