---
product_id: 52433191
title: "Portable Voice Amplifier, SHIDU S308 Ultra-Clear Rechargeable Amplifiers, Powerful Compact and Comfortable Wired Headset Microphone for Teachers, Kindergarener, Tour Guides, Coaches and More"
brand: "responsebridge"
price: "2670521₫"
currency: VND
in_stock: false
category: "Electronics"
url: https://www.desertcart.vn/products/52433191-portable-voice-amplifier-shidu-s308-ultra-clear-rechargeable-amplifiers-powerful
store_origin: VN
region: Vietnam
---

# Portable Voice Amplifier, SHIDU S308 Ultra-Clear Rechargeable Amplifiers, Powerful Compact and Comfortable Wired Headset Microphone for Teachers, Kindergarener, Tour Guides, Coaches and More

**Brand:** responsebridge
**Price:** 2670521₫
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Portable Voice Amplifier, SHIDU S308 Ultra-Clear Rechargeable Amplifiers, Powerful Compact and Comfortable Wired Headset Microphone for Teachers, Kindergarener, Tour Guides, Coaches and More by responsebridge
- **How much does it cost?** 2670521₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/52433191-portable-voice-amplifier-shidu-s308-ultra-clear-rechargeable-amplifiers-powerful)

## Best For

- responsebridge enthusiasts

## Why This Product

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

## Description

+++ Wired Super Light SHIDU SD-S308 Voice Amplifier +++ Are you still yelling at classs, meetings, dancing rooms, playground, shopping mall or somewhere noisy? And are you suffering from a SORE THROAT?? Well, please take it easy, our SHIDU SD-S308 voice amplifier could serve as your painkilling which with excellent clarity, low feedback and 4300sq.ft/400㎡ sound cover range, it helps you to speak with a lower voice, saving your vocal cords unnecessary stress. And i think it will definitely make you enjoy speaking again, hope to see more smiling face instead of yelling face:)Specifications: 1. Output power: 5W 2. Charging Voltage: DC 5V, 500mA 3. Lithium battery: 1100mA 4. Working time: 6~10 hours (musical mode);12~18hours (microphone mode) 5. Charging time: 3~5 hours 6. Product size: 4.33*3.46*1.50 / 110*88*38mm 7. Unit weight: 0.33lb / 150g 8. Wireless distance: 20-35m Features 1. Unique creative UHF wireless sound amplication technology, transmission distance up to 35 meters; 2. Equipped with Bluetooth 4.0 cloud control network synchronization sound amplication; 3. Unique patented appearance, ergonomic design, comfortable feeling, fashion and light weight protable megaphone; 4. Using HI-FI dual maganetic trumpets, powerful high & low volume, nice midfrequency; 5. Imported micophone, intelligent IC circuit, the maximum inhibition of howling phenomenon; 6. Ultra strong MP3 audio decoding technology support TF card & U disk; Standard package:(Total-5pcs) 1 * main machine 1 * waistband 1 * wired microphone 1 * USB cable 1 * Instructions Warranty:(1 Year) If the product break down under the normal work condition, you can ask for replacing and returning accordingly...Enjoy your purchase:)

## Features

- ✔ Portable &amp; Powerful Amplifier: Small &amp; super light speaker [ Only 4.8ozs &amp; Sound covers over 4300 square feet / 400㎡ ].
- ✔ HiFi Voice Amplifier: Easy to use &amp; protect your throat, [ Excellent clarity, low feedback ].
- ✔ Rechargeable Amplifier: Comes with 1000mAh Rechargeable Lithium battery, [ Offers 12~15 hrs of powerful amplification &amp; 6~8 hrs of music playing, besides you need to charge it of 3-5 hrs ].
- ✔ Multifunction Amplifier: Support TF card &amp; U disk, with repeat function, not only a nice amplifiers for teacher but also a great device for language learner.
- ✔ What You Get: 1 x SD-S308 voice amplifier, 1 x waistband, 1 x wired microphone, 1 x USB cable, 1 x Instructions.（Total 5 pcs) Note: There is no wall charger (5V/0.5A) included, but you can charge it by connecting your pc or laptop with usb cable.

## Images

![Portable Voice Amplifier, SHIDU S308 Ultra-Clear Rechargeable Amplifiers, Powerful Compact and Comfortable Wired Headset Microphone for Teachers, Kindergarener, Tour Guides, Coaches and More - Image 1](https://images-na.ssl-images-amazon.com/images/I/51YWMeE9p2L.jpg)
![Portable Voice Amplifier, SHIDU S308 Ultra-Clear Rechargeable Amplifiers, Powerful Compact and Comfortable Wired Headset Microphone for Teachers, Kindergarener, Tour Guides, Coaches and More - Image 2](https://images-na.ssl-images-amazon.com/images/I/51OmmJfMnUL.jpg)
![Portable Voice Amplifier, SHIDU S308 Ultra-Clear Rechargeable Amplifiers, Powerful Compact and Comfortable Wired Headset Microphone for Teachers, Kindergarener, Tour Guides, Coaches and More - Image 3](https://images-na.ssl-images-amazon.com/images/I/51issM54VpL.jpg)
![Portable Voice Amplifier, SHIDU S308 Ultra-Clear Rechargeable Amplifiers, Powerful Compact and Comfortable Wired Headset Microphone for Teachers, Kindergarener, Tour Guides, Coaches and More - Image 4](https://images-na.ssl-images-amazon.com/images/I/51P8gm8yQpL.jpg)
![Portable Voice Amplifier, SHIDU S308 Ultra-Clear Rechargeable Amplifiers, Powerful Compact and Comfortable Wired Headset Microphone for Teachers, Kindergarener, Tour Guides, Coaches and More - Image 5](https://images-na.ssl-images-amazon.com/images/I/413vLWcuzXL.jpg)

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**Shop now:** [https://www.desertcart.vn/products/52433191-portable-voice-amplifier-shidu-s308-ultra-clear-rechargeable-amplifiers-powerful](https://www.desertcart.vn/products/52433191-portable-voice-amplifier-shidu-s308-ultra-clear-rechargeable-amplifiers-powerful)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-24*