SHIDU M808 18W UHF Wireless Voice Amplifier for Teachers

Portable Wireless Voice Amplification for Teaching and Training

The SHIDU M808 is an 18W portable UHF wireless voice amplifier designed for classroom teachers, trainers, lecturers, tour guides and professional presenters.

Unlike conventional wired microphone amplifiers, the M808 wireless version is designed for use with a compatible UHF wireless microphone system, offering greater flexibility during speech-focused activities.

With Bluetooth 5.0 audio playback, a rechargeable 2500mAh battery, the M808 is a practical portable sound solution for educational and professional applications.

SHIDU supplies portable voice amplification products for international audio distributors, education equipment suppliers, wholesalers and OEM/ODM buyers.

Key Features of the SHIDU M808 Wireless Voice Amplifier

1. UHF Wireless Microphone System

The M808 wireless version is designed for use with a compatible UHF wireless microphone.

Wireless microphone operation allows speakers to move more freely during classroom instruction, training sessions and presentations.

The actual wireless operating frequency, transmission distance and microphone accessories depend on the supplied product configuration.

2. 18W Portable Voice Amplification

The M808 delivers up to 18W of published output power.

It is designed for speech amplification in classrooms, training rooms, lecture spaces and other educational environments.

Actual sound coverage depends on background noise, room acoustics, microphone positioning and volume settings.

3. Bluetooth 5.0 Audio Playback

The M808 supports Bluetooth 5.0 for audio playback from compatible devices.

Teachers and trainers can play recorded lessons, educational audio, presentation sound and background music through the portable amplifier.

Bluetooth audio playback and UHF microphone transmission are separate functions.

4. Rechargeable 2500mAh Battery

The M808 features a 3.7V 2500mAh rechargeable lithium battery.

Published specifications indicate approximately 6–8 hours of operating time, depending on volume and usage conditions.

The amplifier supports DC 5V charging through a Type-C charging port.

5. Compact and Lightweight Design

The M808 measures 125 × 96.4 × 43.8mm and weighs approximately 316g.

Its compact design makes it convenient to carry between classrooms, meeting rooms and training locations.

The housing is made from ABS and TPU materials.

6. Multiple Audio Playback Functions

The M808 provides several audio connection options:

• Bluetooth 5.0 Audio Playback

• USB Flash Drive Playback

• TF Card Playback

• AUX Audio Input

• Microphone Input

• Type-C Charging

These functions allow users to combine speech amplification with educational and presentation audio.

7. Black and Green Color Options

The M808 wireless amplifier is available in black and green.

Color availability and order requirements should be confirmed with SHIDU before purchasing.

Application Scenarios

Classroom Teaching

The M808 wireless voice amplifier helps teachers communicate during classroom instruction without relying on a direct wired microphone connection.

It is suitable for language lessons, classroom discussions, educational demonstrations and interactive teaching.

Training and Workshops

Professional trainers can use the M808 during workshops, employee training and instructional presentations.

Its compact design allows the amplifier to be transported between different training locations.

Lectures and Presentations

The wireless microphone configuration provides flexibility for speakers who need to move while presenting.

The M808 can be considered for small educational presentations and speech-focused activities.

Guided Tours

Tour guides can use a portable wireless voice amplification system to communicate with groups during guided activities.

Performance depends on the surrounding noise level and the actual wireless microphone configuration.

Educational Equipment Distribution

The M808 is suitable for evaluation by education equipment distributors, school audio suppliers and importers seeking portable wireless voice amplification products.

SHIDU Wireless Voice Amplifier Manufacturer for B2B Buyers

SHIDU is a Shenzhen-based manufacturer specializing in portable voice amplifiers, portable speakers and related audio equipment.

We welcome cooperation with international business customers, including:

• Educational Equipment Importers

• School Audio Equipment Distributors

• Professional Audio Wholesalers

• Portable PA Equipment Distributors

• Consumer Electronics Brands

• Private-Label Product Buyers

• OEM/ODM Audio Product Customers

Business buyers can contact SHIDU to discuss wholesale purchasing, available microphone configurations, product specifications and customization requirements.

OEM/ODM options, packaging, branding, minimum order quantities and production lead times are subject to project confirmation.

Frequently Asked Questions

What is the SHIDU M808 Wireless Voice Amplifier?

The SHIDU M808 Wireless is a portable 18W UHF voice amplifier designed for teaching, training, presentations and other speech amplification applications.

What is the difference between M808 Wireless and M808 Wired?

The wireless version is designed for a compatible UHF microphone system, while the wired version uses a direct microphone connection.

Is the M808 suitable for classroom teaching?

Yes. The M808 is designed for portable voice amplification and can be used in educational and training environments.

What is the output power of the M808?

The published amplifier output power is 18W

How long does the M808 operate?

Published specifications indicate approximately 6–8 hours of operating time. Actual battery life depends on operating conditions.

What is the wireless microphone operating range?

The operating range depends on the actual microphone and receiver configuration. Please contact SHIDU for confirmed wireless specifications.

Is the M808 waterproof?

The product has been marketed with a waterproof feature, but the exact water-resistance rating for this wireless configuration should be confirmed before making a specific IP-rating claim.

Does SHIDU offer OEM/ODM customization?

SHIDU welcomes OEM/ODM inquiries. Available customization, minimum order quantities and production lead times depend on project requirements.