---
product_id: 380362914
title: "S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers | 10W Power Amplifiers, 2000mAh Battery, 15 Hours Working Time, Adjustable Mic Loudspeaker, Anti-Howling, USB-C Rechargeable"
brand: "norwii"
price: "€ 78.86"
currency: EUR
in_stock: true
category: "Norwii"
url: https://www.desertcart.gr/products/380362914-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers-10w
store_origin: GR
region: Greece
---

# Advanced anti-feedback tech 10W crystal-clear output Up to 30h battery life S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers | 10W Power Amplifiers, 2000mAh Battery, 15 Hours Working Time, Adjustable Mic Loudspeaker, Anti-Howling, USB-C Rechargeable

**Brand:** norwii
**Price:** € 78.86
**Availability:** ✅ In Stock

## Summary

> 🎙️ Own the room, every time you speak.

## Quick Answers

- **What is this?** S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers | 10W Power Amplifiers, 2000mAh Battery, 15 Hours Working Time, Adjustable Mic Loudspeaker, Anti-Howling, USB-C Rechargeable by norwii
- **How much does it cost?** € 78.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/380362914-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers-10w)

## 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-Free Focus:** Advanced frequency shifting tech eliminates ear-piercing feedback, keeping your message sharp and professional.
- • **Amplify Your Authority:** 10-watt power projects your voice clearly across any room, commanding attention effortlessly.
- • **Plug & Play Simplicity:** Two-step setup means you’re ready to engage your audience in seconds—no tech headaches, just impact.
- • **Endurance That Keeps Up:** Up to 30 hours of continuous use with USB-C rechargeable battery—teach all day, no recharge panic.
- • **Effortless, Hands-Free Control:** Ultra-lightweight design with clip-on belt strap and analog volume dial for seamless, distraction-free teaching.

## 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 a long-lasting rechargeable battery supporting up to 30 hours of use, it ensures crystal-clear sound projection. Its simple plug-and-play design with a wired headset microphone and analog volume control makes it the go-to tool for hands-free, all-day amplification in classrooms, fitness sessions, tours, and events.

## Description

Buy Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers | 10W Power Amplifiers, 2000mAh Battery, 15 Hours Working Time, Adjustable Mic Loudspeaker, Anti-Howling, USB-C Rechargeable. Free delivery and returns on eligible orders.

## 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 | B08GB9JPVH |
| Antenna Location | Accessibility Support, Fitness & Group Activities, Religious & Community Settings, Retail & Customer Service, Teaching & Training |
| Audio Input | AUX, MIC |
| Battery Type | Rechargeable Battery |
| Best Sellers Rank | 427 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 2 in PA Power-Amplifiers |
| Brand Name | Norwii |
| Colour | Black - 2000mAh |
| Compatible Devices | Headphone, Headset, Laptop, MP3 Player, Smartphone |
| Connector Type | Aux, USB |
| Country of Origin | China |
| Customer Reviews | 4.3 4.3 out of 5 stars (2,022) |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS), PC |
| Included Components | 3.5 mm Audio Cable*1, Adjustable Waistband*1, User Manual*1, Wired Microphone Headset*1 |
| Item Dimensions | 10.2 x 9.1 x 3.8 centimetres |
| Item Weight | 0.35 Pounds |
| Manufacturer | Shanghai Norwii Technology Co., LTd. |
| Manufacturer Part Number | 358 |
| Model Number | S358 |
| Mounting Type | Portable |
| Network Connectivity Technology | AUX, USB |
| Number of Channels | 2 |
| Number of Items | 1 |
| Output Wattage | 10 Watts |
| Power Source | Battery Powered |
| Product Warranty | 1 Year Limited Hardware Warranty |

## Product Details

- **Brand:** Norwii
- **Colour:** Black - 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

![S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers | 10W Power Amplifiers, 2000mAh Battery, 15 Hours Working Time, Adjustable Mic Loudspeaker, Anti-Howling, USB-C Rechargeable - Image 1](https://m.media-amazon.com/images/I/71xc9cIF-1L.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 Voice Amplifier Wired Mini Portable Rechargeable with Personal Wired Microphone for Teachers, Classroom, Presentation, Tour Guides, Meeting, Coaches. Black
- ZOWEETEK ZW-Z258 Portable Rechargeable Mini Voice Amplifier for Teachers with Wired Microphone Headset and Waistband,Supports MP3 Format Audio for Speech, Class, Training,Tour Guide,Power Amplifiers
- WinBridge Wireless Voice Amplifier for Teachers with Bluetooth Headset Microphone and Waistand, Bluetooth Voice Amplifier, Portable Meagaphone Speaker Mic, Back to Shool Supplies, 15W|1500mAh WB002

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-08-23*