SHIDU 18W Portable Voice Amplifier User Manual

Introduction

This manual provides detailed instructions for the SHIDU 18W Portable Voice Amplifier. It covers product features, setup, operation, maintenance, troubleshooting, and technical specifications to ensure optimal performance and longevity of your device.

Product Overview

Key Features

• 18W Power Output: Delivers clear and strong sound, suitable for covering areas up to 18,000 square feet (1800㎡) with up to 200 people.
• Wireless Lavalier Microphone: Features 2.4G wireless technology for stable connection, advanced sound sensitivity, and strong sound penetration without noise.
• AI Adjustment Technology: Enhances vocal clarity and penetration while eliminating screeching feedback.
• Long-Lasting Battery: Built-in 1800mAh rechargeable battery provides 10-12 hours of working time on a full charge (3-4 hours charging time).
• Multiple Connectivity Options: Supports AUX and Bluetooth connections for versatile use.
• Lightweight and Portable: Compact design weighing 0.45 kg (0.41 pounds) for easy carrying.

Image: The SHIDU voice amplifier highlighting AI speech intelligibility improvement, feedback reduction, and noise cancellation features.

Image: An internal view of the voice amplifier's speaker, illustrating its clear sound, strong anti-interference, and 18W power output for various applications.

Image: A person holding the SHIDU voice amplifier, emphasizing its lightweight design at 0.41 pounds, making it easy to carry.

What's in the Box

• Voice Amplifier
• Wireless Lavalier Microphone
• Type-C Charging Cable
• Strap
• Extra Sponges (5 pieces)

Image: The SHIDU 18W Portable Voice Amplifier and its wireless lavalier microphone, showcasing the compact design.

Setup Instructions

1. Charge the Device:

   Connect the provided Type-C charging cable to the amplifier's charging port and a suitable USB power adapter. The battery indicator will show charging status. A full charge typically takes 3-4 hours.

   

   Image: The voice amplifier and microphone with an illustration of the 1800mAh rechargeable battery and charging time.
2. Power On:

   Locate the power switch on the side of the voice amplifier and slide it to the "ON" position. The indicator light will illuminate.

3. Pair the Wireless Microphone:

   Turn on the wireless lavalier microphone. It should automatically pair with the amplifier. A successful connection is indicated by a steady blue light on both devices.

4. Connect via Bluetooth (Optional):

   To use the amplifier as a Bluetooth speaker, activate Bluetooth on your smartphone or other device. Search for "SHIDU" in the list of available devices and select it to pair. The amplifier will confirm the connection.

   

   Image: A person demonstrating Bluetooth 5.0 connectivity between the voice amplifier and a smartphone.

Operating Instructions

1. Adjust Volume:

   Use the volume control knob or buttons on the amplifier to adjust the output level. Start with a low volume and gradually increase it to a comfortable level.
2. Positioning the Microphone:

   For optimal sound clarity and to minimize feedback, position the lavalier microphone approximately 1-2 inches from your mouth. Ensure the microphone is not pointed directly at the amplifier speaker.

3. Using the Amplifier:

   Speak clearly into the microphone. The amplifier will project your voice. This device is ideal for presentations, classroom teaching, training sessions, and public speaking engagements.

   

   Image: A teacher using the SHIDU voice amplifier with a wireless microphone in a classroom, demonstrating its application for clear communication.
4. Using AUX Input:

   Connect an external audio source (e.g., MP3 player, laptop) to the amplifier's AUX input using a 3.5mm audio cable. The amplifier will play audio from the connected device.

Maintenance

• Cleaning: Wipe the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
• Storage: Store the amplifier and microphone in a cool, dry place away from direct sunlight and extreme temperatures.
• Battery Care: To prolong battery life, fully charge the device before first use and recharge it regularly, even if not in frequent use. Avoid completely draining the battery.

Troubleshooting

No Sound Output:

• Ensure the amplifier is powered on and the volume is turned up.
• Check if the wireless microphone is paired correctly (steady blue light).
• Verify that the microphone is charged.
• If using AUX, ensure the cable is securely connected and the external device is playing audio.

Feedback/Screeching Sound:

• Move the microphone further away from the amplifier speaker.
• Ensure the microphone is not pointing directly at the speaker.
• Reduce the volume level.
• The device incorporates AI anti-feedback technology, but proper microphone placement is still crucial.

Microphone Not Pairing:

• Ensure both the amplifier and microphone are powered on.
• Turn both devices off and then on again to re-initiate pairing.
• Check if the microphone battery is low.

Bluetooth Connection Issues:

• Ensure Bluetooth is enabled on your external device.
• Forget the device from your external device's Bluetooth settings and try pairing again.
• Make sure no other devices are actively connected to the amplifier via Bluetooth.

Specifications

Warranty and Support

This SHIDU Voice Amplifier comes with a 1-Year Manufacturer Warranty. For technical support, warranty claims, or any product-related inquiries, please contact SHIDU customer service through the retailer's platform or the official SHIDU website.

SHIDU is committed to providing lifetime technical support for its products.