--- 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: "$374.07" currency: USD in_stock: true reviews_count: 5 category: "Norwii" url: https://www.desertcart.ec/products/661493555-norwii-bluetooth-voice-amplifier-power-amplifiers-portable-mini-wired-microphone store_origin: EC region: Ecuador --- # Anti-feedback wired mic 10W crystal-clear output 4000mAh up to 30h playtime 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:** $374.07 **Availability:** ✅ In Stock ## Summary > 🎤 Own the room, never lose your voice. ## 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?** $374.07 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/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 - • **Feedback-Free Focus:** Advanced frequency shifting tech eliminates ear-piercing feedback, protecting your voice and your audience’s ears. - • **Versatile & Professional-Grade:** Perfect for educators, fitness instructors, tour guides, and event pros who demand reliable, crystal-clear amplification. - • **Endurance That Keeps Up With You:** Massive 4000mAh battery offers up to 30 hours of continuous use—teach or lead all day without a recharge. - • **Effortless, Teacher-Centric Design:** Plug-and-play simplicity with an analog volume dial and lightweight clip-on belt strap for hands-free mobility. - • **Amplify Your Voice, Command the Room:** 10-watt power delivers clear, loud sound that reaches every corner of your classroom or event. ## Overview The Norwii Bluetooth Voice Amplifier is a portable, professional-grade sound solution designed for educators and event leaders. Featuring a powerful 10W output, anti-feedback wired microphone, and a robust 4000mAh battery delivering up to 30 hours of continuous use, it ensures your voice is heard clearly indoors and outdoors. Its lightweight, clip-on design and simple plug-and-play operation make it the ultimate hands-free teaching and guiding 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 Review: Facile da usare - Ottimo per qualità prezzo Review: Great amplifier - A great amplifier… good price .. easy setup ## 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 | Outdoor events, concerts, portable sound amplification | | Audio Input | AUX, MIC | | Best Sellers Rank | #64,211 in Musical Instruments ( See Top 100 in Musical Instruments ) #510 in Power-Amplifiers | | Box Contents | 3.5 mm Audio Cable*1, Adjustable Waistband*1, User Manual*1, Wired Microphone Headset*1 | | Brand | Norwii | | Brand Name | Norwii | | Colour | White | | Compatible Devices | Various audio devices | | Connectivity Technology | AUX , Bluetooth, USB | | Connector Type | XLR, RCA | | Country of Origin | China | | Customer Reviews | 4.1 out of 5 stars 56 Reviews | | Enclosure Material | Plastic | | Item Dimensions | 25 x 25 x 25 Millimeters | | Item Weight Unit of Measure | 0.45 Pounds | | Item dimensions L x W x H | 25 x 25 x 25 Millimeters | | Manufacturer | Shanghai Norwii Technology Co., LTd. | | Manufacturer Part Number | S358 | | Model Number | S358 | | Mounting Type | Tabletop/Floor Standing | | Network Connectivity Technology | AUX, Bluetooth, USB | | Number of Channels | 2 | | Output Wattage | 10 Watts | | Power Source | Battery Powered | ## 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/71NDN6Nb68L.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/71Qxr2D1fFL.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) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Facile da usare *by I***S on 21 March 2026* Ottimo per qualità prezzo ### ⭐⭐⭐⭐⭐ Great amplifier *by L***A on 15 March 2026* A great amplifier… good price .. easy setup ### ⭐⭐⭐⭐⭐ Kaliteli ürün *by H***U on 19 July 2025* Alın aldırın çok kaliteli siz kalitesi güzel Dağlıyor konuşurken büyük rahatlık artık sesim eskisi kadar yorulmuyor --- ## 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.ec/products/661493555-norwii-bluetooth-voice-amplifier-power-amplifiers-portable-mini-wired-microphone](https://www.desertcart.ec/products/661493555-norwii-bluetooth-voice-amplifier-power-amplifiers-portable-mini-wired-microphone) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-07-07*