--- product_id: 602510168 title: "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" brand: "norwii" price: "€ 92.68" currency: EUR in_stock: true category: "Norwii" url: https://www.desertcart.hr/products/602510168-norwii-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers store_origin: HR region: Croatia --- # wired headset mic with anti-feedback 10W crystal-clear output 4000mAh long-lasting battery 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 **Brand:** norwii **Price:** € 92.68 **Availability:** ✅ In Stock ## Summary > 🎙️ Speak Up, Stand Out — Amplify Your Impact Everywhere! ## Quick Answers - **What is this?** 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 by norwii - **How much does it cost?** € 92.68 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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 - • **Feedback-Free Clarity:** Advanced frequency shifting tech suppresses ear-piercing feedback for smooth, professional audio. - • **Lightweight & Hands-Free:** Ultra-portable design with clip-on belt strap keeps you mobile and your hands free to engage. - • **Precision Volume Control:** Analog dial offers fine-tuned volume adjustments—perfect for dynamic environments and on-the-fly changes. - • **All-Day Power, No Interruptions:** Massive 4000mAh battery supports up to 30 hours of continuous use—teach or lead without recharge anxiety. - • **Amplify Your Voice, Not Your Strain:** 10-watt output delivers powerful, clear sound so you’re heard effortlessly in any setting. ## Overview The Norwii Voice Amplifier is a sleek, portable 10W sound system designed for teachers, tour guides, and fitness instructors. Featuring a 4000mAh rechargeable battery for up to 30 hours of use, a wired headset microphone with advanced anti-feedback technology, and precise analog volume control, it ensures crystal-clear voice projection in classrooms and outdoor events. Lightweight and clip-on ready, it’s the essential tool for professionals who demand clarity and endurance on the go. ## 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. ## 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 | 357 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 2 in PA Power-Amplifiers | | Brand Name | Norwii | | Colour | White - 4000mAh | | Compatible Devices | Various audio devices | | Connector Type | Aux | | Country of Origin | China | | Customer Reviews | 4.0 4.0 out of 5 stars (63) | | Enclosure Material | PC, Acrylonitrile Butadiene Styrene (ABS) | | Included Components | 3.5 mm Audio Cable*1, User Manual*1, Adjustable Waistband*1, Wired Microphone Headset*1 | | Item Dimensions | 25 x 25 x 25 millimetres | | Item Weight | 0.45 Pounds | | 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 | | 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 | 10W Power Amplifiers, 4000mAh Battery, 30 Hours Working Time, Adjustable Mic Loudspeaker, Anti-Howling, USB-C Rechargeable - Image 1](https://m.media-amazon.com/images/I/71NDN6Nb68L.jpg) ## Available Options This product comes in different **Color** options. --- ## 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.hr/products/602510168-norwii-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers](https://www.desertcart.hr/products/602510168-norwii-s358-portable-voice-amplifier-wired-microphone-headset-for-teachers) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-26*