---
product_id: 661493555
title: "Norwii Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, White"
brand: "norwii"
price: "AR$397789"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/661493555-norwii-bluetooth-voice-amplifier-power-amplifiers-portable-mini-wired-microphone
store_origin: AR
region: Argentina
---

# Anti-feedback wired mic 10W crystal-clear output 4000mAh up to 30h runtime Norwii Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, White

**Brand:** norwii
**Price:** AR$397789
**Availability:** ✅ In Stock

## Summary

> 🎙️ Amplify your presence, not your effort.

## Quick Answers

- **What is this?** Norwii Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, White by norwii
- **How much does it cost?** AR$397789 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/661493555-norwii-bluetooth-voice-amplifier-power-amplifiers-portable-mini-wired-microphone)

## Best For

- norwii enthusiasts

## Why This Product

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

## Key Features

- • **Marathon Battery Life:** Up to 30 hours of continuous use on a single USB-C charge—teach or lead all day without interruptions.
- • **Plug & Play Simplicity:** Two-step setup with analog volume dial—no complicated buttons, just instant, precise control.
- • **Feedback-Free Listening:** Advanced frequency shifting tech eliminates ear-piercing feedback, protecting your voice and your audience’s ears.
- • **Ultra-Light & Hands-Free:** Weighing just 204g with a clip-on belt strap, it’s designed for all-day comfort and mobility.
- • **Powerful 10W Amplification:** Project your voice effortlessly across any room or outdoor space, ensuring every word is heard clearly.

## Overview

The Norwii Bluetooth Voice Amplifier S358 is a lightweight, portable sound solution tailored for educators and professionals. Featuring a powerful 10-watt output, anti-feedback wired microphone, and a robust 4000mAh battery delivering up to 30 hours of continuous use, it ensures crystal-clear voice projection in classrooms, outdoor events, and tours. Its simple plug-and-play design with USB-C charging and ergonomic clip-on strap makes it the ultimate hands-free teaching companion.

## Description

Ideal for Classroom lectures, outdoor workshops, Gym training, Guided tours, Campus events. Designed for Educators, Trusted by Professionals: 4000mAh, up to 30 Hours Continuous Working Time 2000mAh, up to 15 Hours Continuous Working Time – Teach all week on a single charge Wired mic options with swivel- adjustable Microphone. Anti-feedback technology – No ear-piercing screeches near speakers

## Features

- Effective for Teaching - With a 10-watt output power,the portable voice amplifier with wired headset microphone make your voice louder and travel further, helping students listen more clearly and attentively. Its lightweight and portable design makes it a favorite among teachers, fitness instructors, tour guides, promotion events
- Loud and Clear Sound - 3-inch speakers plus a booster circuit makes the voice amplifier crystal clear sound with good sound quality, effectively saving the teacher's throat. Designed for educators, Trusted by Professionals. Teacher must haves
- Teach Without Ear-Piercing Feedback - The Voice Amplifier utilizes advanced frequency shifting technology to supress feedback effectively. To ensure optimal performance, maintain a distance of 20 cm between the microphone and the amplifier to avoid any feedback issues
- Week-Long Battery - 2000 mAh battery supports 12-15 hours continuous teaching, 4000 mAh battery supports 25-30 hours continuous teaching. Full-day outdoor events without recharge anxiety. USB-C rechargeable
- Simple and Practical, Teacher-Centric Design - Only 2 steps: 1.Turn on the amplifier; 2.Plug the microphone into the MIC port of the amplifier. Now, it's ready. Unlike buttons, the analog dial offers finer volume increments. Ultra-lightweight with clip-on belt strap – teach hands-free

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Mounting Type | Tabletop/Floor Standing |
| Power Source | Battery Powered |
| Connector Type | XLR, RCA |
| Material | Plastic |
| Item Weight | 0.45 Pounds |
| Number of Channels | 2 |
| Audio Input | AUX, MIC |
| Recommended Uses For Product | Outdoor events, concerts, portable sound amplification |
| Manufacturer | Shanghai Norwii Technology Co., LTd. |
| Model | S358 |
| Model Name | S358 |
| Product Dimensions | 2.54 x 2.54 x 2.54 cm; 204.12 g |
| Item model number | S358 |
| Mounting Hardware | 3.5 mm Audio Cable*1, Adjustable Waistband*1, USB-C Cable*1, User Manual*1, Wired Microphone Headset*1 |
| Number of items | 1 |
| Audio Wattage | 10 Watts |
| Batteries Included | No |
| Batteries Required | No |
| Country of Origin | China |
| Item Weight | 204 g |

## Product Details

- **Brand:** Norwii
- **Item dimensions L x W x H:** 25 x 25 x 25 Millimeters
- **Connectivity Technology:** AUX, Bluetooth, USB
- **Colour:** White
- **Compatible Devices:** Various audio devices

## Images

![Norwii Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, White - Image 1](https://m.media-amazon.com/images/I/71i61JZb3iL.jpg)
![Norwii Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, White - Image 2](https://m.media-amazon.com/images/I/61F0s1w5exL.jpg)
![Norwii Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, White - Image 3](https://m.media-amazon.com/images/I/71glhmBvinL.jpg)
![Norwii Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, White - Image 4](https://m.media-amazon.com/images/I/71IoO0vncPL.jpg)
![Norwii Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, White - Image 5](https://m.media-amazon.com/images/I/71gd9ds-npL.jpg)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-12*