---
product_id: 280408652
title: "Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers"
brand: "norwii"
price: "R$659"
currency: BRL
in_stock: true
category: "Norwii"
url: https://www.desertcart.com.br/products/280408652-norwii-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers
store_origin: BR
region: Brazil
---

# Advanced anti-feedback tech 10W crystal-clear output Up to 30h battery life Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers

**Brand:** norwii
**Price:** R$659
**Availability:** ✅ In Stock

## Summary

> 🎙️ Own the Room, Command Attention Effortlessly

## Quick Answers

- **What is this?** Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers by norwii
- **How much does it cost?** R$659 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/280408652-norwii-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers)

## 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

- • **Feedback? Not Here.:** Cutting-edge frequency shifting technology suppresses ear-piercing feedback, ensuring crystal-clear audio every time.
- • **Plug, Play & Engage Instantly:** Teacher-centric simplicity with just two steps to start—turn on and plug in the wired headset mic. No complicated setup, just seamless teaching.
- • **Teach All Day, No Recharge Needed:** Massive 2000-4000mAh battery supports up to 30 hours of continuous use—perfect for back-to-back classes or full-day events.
- • **Amplify Your Voice, Save Your Throat:** 10-watt output with 3-inch speakers delivers powerful, distortion-free sound that carries across any room or outdoor space.
- • **Effortless Control, Hands-Free Comfort:** Analog dial offers precise volume adjustments on the go, while the ultra-lightweight clip-on design keeps you mobile and hands-free.

## Overview

The Norwii S358 Portable Voice Amplifier is a professional-grade, lightweight PA system designed for educators and presenters. Featuring a powerful 10W output, advanced anti-feedback technology, and up to 30 hours of battery life, it ensures your voice is heard clearly without strain. Its intuitive analog dial and clip-on design make it the ultimate hands-free teaching companion for classrooms, outdoor events, and fitness sessions.

## Description

Product Description Professional Amplifier for Teachers – Crystal Clear, All-Day Power Tired of straining your voice in large classrooms or outdoor settings? Our Teacher’s Portable Voice Amplifier delivers louder volume without distortion, ensuring every student hears you clearly—without shouting. Loud & Crystal Clear 3-inch speakers plus a booster circuit assure loud and clear sound, helping students listen clearly and save the teacher's throat. Smart Anti-Squeal Tech Working well with minimal feedback with advanced frequency shifting technology. Keep the distance between the voice amplifier and the microphone at more than 20 cm to supress the eEar-Piercing Feedback. Fine-tune volume with precise dial control The dial control allows for more subtle and precise volume adjustment. When worn on the body, the dial is more convenient for volume adjustment than the button type. Swivel- adjustable Microphone You can adjust the angle of the microphone to position the microphone head as close to your mouth as possible to achieve the best amplification effect. Multi-color and What’s Included NORWII Original Voice Amplifier Wired 10W Wireless 15W Wired 6W Microphone Wired*1 Wired *1+ Wireless *1 Battery Capacity 2000mAh 5200mAh 1800mAh Using Time 12-15 Hours 10-12 Hours 22 Hours Size/Weight 9.11x10.15x3.78cm/159.5g 9.11x10.15x3.78cm/205.5g 7.2x9.7x2.7cm/125g Find Your Perfect Match Indoor use, covers up to 186 m² for 50–200 people Indoor & outdoor use, covers up to 930 m² for 250-1000 people Indoor use, covers up to 93 m² for 25-100 people Applicable scenarios

## 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 |
|---------------|-------|
| ASIN | B082B15FQ1 |
| Antenna Location | Retail & Customer Service, Teaching & Training, Accessibility Support, Religious & Community Settings, Fitness & Group Activities |
| Audio Input | AUX, MIC |
| Battery Type | Lithium Ion |
| Best Sellers Rank | 860 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 3 in PA Power-Amplifiers |
| Brand | Norwii |
| Brand Name | Norwii |
| Colour | White - 2000mAh |
| Compatible Devices | MP3 Player, Laptop, Headset, Headphone, Smartphone |
| Compatible devices | MP3 Player, Laptop, Headset, Headphone, Smartphone |
| Connectivity technology | AUX , USB |
| Connector Type | Aux, USB |
| Country of Origin | China |
| Customer Reviews | 4.3 out of 5 stars 623 Reviews |
| Enclosure Material | Plastic, Acrylonitrile Butadiene Styrene (ABS) |
| Included Components | 3.5 mm Audio Cable*1, User Manual*1, Adjustable Waistband*1, Wired Microphone Headset*1 |
| Item Dimensions | 10.2 x 9.1 x 3.8 centimetres |
| Item Weight | 0.35 Pounds |
| Item dimensions L x W x H | 10.2 x 9.1 x 3.8 centimetres |
| Manufacturer | Shanghai Norwii Technology Co., LTd. |
| Manufacturer Part Number | S358 |
| Model Number | S358 |
| Mounting Type | Portable |
| Mounting type | Portable |
| Network Connectivity Technology | AUX, USB |
| Number of Channels | 2 |
| Output Wattage | 10 Watts |
| Power Source | Battery Powered |
| Product Warranty | 1 Year Limited Hardware Warranty |

## Product Details

- **Brand:** Norwii
- **Colour:** White - 2000mAh
- **Compatible devices:** Headphone, Headset, Laptop, MP3 Player, Smartphone
- **Connectivity technology:** AUX, USB
- **Item dimensions L x W x H:** 10.2 x 9.1 x 3.8 centimetres

## Images

![Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers - Image 1](https://m.media-amazon.com/images/I/71NDN6Nb68L.jpg)
![Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers - Image 2](https://m.media-amazon.com/images/I/61F0s1w5exL.jpg)
![Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers - Image 3](https://m.media-amazon.com/images/I/71S-8fSGEnL.jpg)
![Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers - Image 4](https://m.media-amazon.com/images/I/71+f0pC+nOL.jpg)
![Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers - Image 5](https://m.media-amazon.com/images/I/71gd9ds-npL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Can you play music and use the microphone at the same time?**
A: Yes. It supports. The voice amplifier has 2 jacks, which can be inserted separately to realize their functions.

**Q: How do i charge the battery**
A: No battery. It comes with a mains charger.

**Q: What type of microphone jack is used (trs, trrs - ctla, omtp)?**
A: TRS 3.5mm.

**Q: Can it be used with a Lapel microphone**
A: This Norwii S358 . voice.amplifier works with wired microphone, it is not wireless for lapel microphone. I am sure someone else will correct me!!!

## Frequently Bought Together

- NORWII S358 Portable 2000mAH Rechargeable Voice Amplifier with Wired Microphone Headset & Waistband, Personal Microphone and Speaker for Teachers, Presentation, Tour Guides (White)
- 2 pcs Portable Lapel mic 3.5mm Audio Compatible with Voice Amplifiers S6 (by AKindle)

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**Shop now:** [https://www.desertcart.com.br/products/280408652-norwii-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers](https://www.desertcart.com.br/products/280408652-norwii-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-08-13*