--- product_id: 602510168 title: "Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers" brand: "norwii" price: "€ 74.41" currency: EUR in_stock: true reviews_count: 7 category: "Norwii" url: https://www.desertcart.gr/products/602510168-norwii-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers store_origin: GR region: Greece --- # 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:** € 74.41 **Availability:** ✅ In Stock ## Summary > 🎙️ Own the room, every time you speak. ## Quick Answers - **What is this?** Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers by norwii - **How much does it cost?** € 74.41 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/602510168-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 - • **Plug, Speak, Connect:** Simple 2-step setup with wired headset mic and USB-C recharge—ready to perform whenever you are. - • **Effortless, Hands-Free Control:** Ultra-lightweight design with clip-on belt strap and analog volume dial for precise, intuitive adjustments on the go. - • **Feedback? Not in Your Classroom:** Cutting-edge frequency shifting tech eliminates ear-piercing feedback so you can focus on engaging your audience. - • **Teach All Day, No Recharge Needed:** Massive 4000mAh battery delivers up to 30 hours of uninterrupted teaching or guiding—stay powered through your longest days. - • **Amplify Your Voice, Amplify Your Impact:** 10-watt power ensures your message reaches every corner of the room with crystal-clear clarity. ## Overview The Norwii S358 Portable Voice Amplifier is a professional-grade teaching tool featuring a powerful 10W output, advanced anti-feedback technology, and a long-lasting 4000mAh battery that supports up to 30 hours of continuous use. Designed for educators and presenters, it offers a lightweight, clip-on design with easy analog volume control and USB-C charging, making it the ultimate hands-free voice amplification solution for classrooms, tours, and events. ## Description Buy Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers | 10W Power Amplifiers, 4000mAh Battery, 30 Hours Working Time, Adjustable Mic Loudspeaker, Anti-Howling, USB-C Rechargeable. Free delivery and returns on eligible orders. Review: Great product - Great product for the money, it works perfectly and great sound quality. Review: Lightweight and Easy to use and re-charge - Loud enough - just. I’m a sports coach and use mine to amplify my voice indoors. The venue has awful accoustics so nobody can hear what you say unless they are stood within a metre! I bought this and I’m pleased with the improvement ## 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 | B0CLGPGNW5 | | Antenna Location | teaching, presentations, tour guiding, meetings, coaching | | Audio Input | 3.5mm Jack, USB, Bluetooth | | Best Sellers Rank | 760 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 2 in PA Power-Amplifiers | | Brand | Norwii | | Brand Name | Norwii | | Colour | White - 4000mAh | | Compatible Devices | Various audio devices | | Compatible devices | Various audio devices | | Connectivity technology | AUX | | Connector Type | Aux | | Country of Origin | China | | Customer Reviews | 4.1 out of 5 stars 61 Reviews | | 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 | 25 x 25 x 25 millimetres | | Item Weight | 0.45 Pounds | | Item dimensions L x W x H | 25 x 25 x 25 millimetres | | Manufacturer | Shanghai Norwii Technology Co., LTd. | | Manufacturer Contact Information | Shanghai Norwii Technology Co., Ltd. | | Manufacturer Part Number | S358 | | Model Number | S358 | | Mounting Type | Tabletop/Floor Standing | | Mounting type | Tabletop/Floor Standing | | Network Connectivity Technology | AUX | | 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:** White - 4000mAh - **Compatible devices:** Various audio devices - **Connectivity technology:** AUX - **Item dimensions L x W x H:** 25 x 25 x 25 millimetres ## Images ![Norwii S358 Portable Voice Amplifier, Wired Microphone Headset for Teachers - Image 1](https://m.media-amazon.com/images/I/71NDN6Nb68L.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product *by W***M on 16 September 2026* Great product for the money, it works perfectly and great sound quality. ### ⭐⭐⭐⭐ Lightweight and Easy to use and re-charge *by M***. on 20 May 2025* Loud enough - just. I’m a sports coach and use mine to amplify my voice indoors. The venue has awful accoustics so nobody can hear what you say unless they are stood within a metre! I bought this and I’m pleased with the improvement ### ⭐⭐⭐⭐⭐ Great product *by G***H on 9 July 2026* Have ordered it in the past and will continue to order them as needed. Worth the money. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/602510168-norwii-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers](https://www.desertcart.gr/products/602510168-norwii-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-10-04*