---
product_id: 413906473
title: "Voice Amplifier for Teachers Personal Wired Microphone Headset - Loudly Rechargeable Portable Microphone with Speaker, 2000mAh Small Pa System with Headset Microphone Classroom ect S309"
brand: "responsebridge"
price: "฿770"
currency: THB
in_stock: false
reviews_count: 8
url: https://www.desertcart.co.th/products/413906473-voice-amplifier-for-teachers-personal-wired-microphone-headset-loudly-rechargeable
store_origin: TH
region: Thailand
---

# 180° adjustable headset mic 8W clear sound output 12-15 hrs battery life Voice Amplifier for Teachers Personal Wired Microphone Headset - Loudly Rechargeable Portable Microphone with Speaker, 2000mAh Small Pa System with Headset Microphone Classroom ect S309

**Brand:** responsebridge
**Price:** ฿770
**Availability:** ❌ Out of Stock

## Summary

> 🎙️ Amplify your presence, command every room.

## Quick Answers

- **What is this?** Voice Amplifier for Teachers Personal Wired Microphone Headset - Loudly Rechargeable Portable Microphone with Speaker, 2000mAh Small Pa System with Headset Microphone Classroom ect S309 by responsebridge
- **How much does it cost?** ฿770 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/413906473-voice-amplifier-for-teachers-personal-wired-microphone-headset-loudly-rechargeable)

## Best For

- responsebridge enthusiasts

## Why This Product

- Trusted responsebridge brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Day Power:** Rechargeable 2000mAh battery delivers 12-15 hours of uninterrupted amplification—no mid-classroom silences.
- • **Ergonomic Mic Comfort:** Lightweight headset with 180° rotation for perfect voice pickup and hands-free ease.
- • **Ultra-Portable Design:** Compact (4.3x3.3x1.2 in) and featherlight (0.39 lb) with clip and waistband for seamless mobility.
- • **Plug & Play Versatility:** Supports USB flash drive & 3.5mm AUX input—amplify your voice or play audio effortlessly.
- • **Crystal-Clear Projection:** 8W powerful amplifier covers up to 12,000 sq ft—your voice, unmistakably heard.

## Overview

This rechargeable voice amplifier delivers distortion-free 8W sound, covering large rooms up to 12,000 sq ft. Its ergonomic, lightweight headset mic rotates 180° for optimal voice capture. With a 2000mAh battery offering 12-15 hours of use, plus USB and AUX support, it’s the ultimate portable PA system for teachers and presenters on the go.

## Description

Full description not available

## Features

- 【Powerful Original Voice Amplifier】Original output, no distortion, low feedback and very clear sound, 8W stable output is enough to cover up to 12,000 square feet, suitable for large rooms with 30-120 people, a powerful voice amplifier makes you can easily attract others' attention and make your voice get noticed.
- 【Portable Microphone and Speaker】This is one of the most compact (4.3 x 3.3 x 1.2 inches) and lightest (0.39lb) Voice Amplifier available. The clip on the back of the amplifier frees up your hands, Besides you can wear it with the adjustable waistband (included) and we also give you a free bag to make storage easier.
- 【Long Battery Life】One charge can amplify the voice for 12-15 Hours, only needs 2-3 hours to fully charge it. Supports USB flash drive and 3.5mm AUX audio input can be used as a wired speaker, you can also play audio while amplifying, the designed mute button makes amplification more controllable.
- 【Upgraded Headset Microphone】Lightweight and comfortable microphone headset with ergonomic design. Compared to other microphones, It is lighter, more stable and extends better and supports 180° rotation, you can adjust it to your personal best pick-up position.
- 【A Great Gift Pack】This package includes 1* voice amp, 1*wired mic, 1*AUX cable, 1* Type-C charging cable,1* US charger, 1* belt, 1*Portable bag,1*user guide. What's more, we support 12-month worry-free warranty and responsive and friendly customer service within 24 hours.

## Product Details

- **Brand:** ResponseBridge
- **Item dimensions L x W x H:** 4.3 x 3.3 x 1.2 inches
- **Connectivity Technology:** AUX, USB
- **Color:** black
- **Compatible Devices:** Headset

## Images

![Voice Amplifier for Teachers Personal Wired Microphone Headset - Loudly Rechargeable Portable Microphone with Speaker, 2000mAh Small Pa System with Headset Microphone Classroom ect S309 - Image 1](https://m.media-amazon.com/images/I/61ooRyvqUTL.jpg)
![Voice Amplifier for Teachers Personal Wired Microphone Headset - Loudly Rechargeable Portable Microphone with Speaker, 2000mAh Small Pa System with Headset Microphone Classroom ect S309 - Image 2](https://m.media-amazon.com/images/I/51kdFL-H4xL.jpg)
![Voice Amplifier for Teachers Personal Wired Microphone Headset - Loudly Rechargeable Portable Microphone with Speaker, 2000mAh Small Pa System with Headset Microphone Classroom ect S309 - Image 3](https://m.media-amazon.com/images/I/61PPP1ppDuL.jpg)
![Voice Amplifier for Teachers Personal Wired Microphone Headset - Loudly Rechargeable Portable Microphone with Speaker, 2000mAh Small Pa System with Headset Microphone Classroom ect S309 - Image 4](https://m.media-amazon.com/images/I/71VxnCYPf9L.jpg)
![Voice Amplifier for Teachers Personal Wired Microphone Headset - Loudly Rechargeable Portable Microphone with Speaker, 2000mAh Small Pa System with Headset Microphone Classroom ect S309 - Image 5](https://m.media-amazon.com/images/I/61mRHTIfCsL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Game changer amplifier
*by L***  on September 29, 2022*

I love this product, the battery life is better than my brand before. I tested outside the field and the volume is loud.I love this product it is lightweight and don't notice that you're carrying something.The battery life is long lasting, I used this this outside as a speaker and it works louder than the speaker that I bought a year ago. If you're working on a field, I recommend this 100%. An awesome customer support is ready to help in case you don't know something about the product. Make sure you check coupons to save more before check out. Thanks

### ⭐⭐⭐⭐⭐ Perfect for teaching outside!!!
*by A***H on September 26, 2022*

Teaching PE outside its important to be heard over lawnmowers sometimes, and this is an absolute life saver. I can use a speaking volume and students hear me over quite a long distance! Great item!

### ⭐⭐⭐⭐⭐ Great voice amplifier for the classroom
*by A***R on October 26, 2022*

I am very pleased with this voice amplifier- it’s perfect for my classroom. Easy to use and charge, and it saves my voice!

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**Shop now:** [https://www.desertcart.co.th/products/413906473-voice-amplifier-for-teachers-personal-wired-microphone-headset-loudly-rechargeable](https://www.desertcart.co.th/products/413906473-voice-amplifier-for-teachers-personal-wired-microphone-headset-loudly-rechargeable)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-15*