--- product_id: 309398314 title: "Portable Voice Amplifier Wireless & Wired Headset Microphone Speaker Mini Lightweight Personal Classroom Mic for Teachers Supports AUX Input,Bluetooth 5.0,Recording - S278UHF" brand: "hw haoworks" price: "¥54618" currency: JPY in_stock: true url: https://www.desertcart.jp/products/309398314-portable-voice-amplifier-wireless-and-wired-headset-microphone-speaker-mini store_origin: JP region: Japan --- # 10000 sq.ft Range 15W Power 10-12 hrs Battery Portable Voice Amplifier Wireless & Wired Headset Microphone Speaker Mini Lightweight Personal Classroom Mic for Teachers Supports AUX Input,Bluetooth 5.0,Recording - S278UHF **Brand:** hw haoworks **Price:** ¥54618 **Availability:** ✅ In Stock ## Summary > 🎤 Speak Up, Stand Out! ## Quick Answers - **What is this?** Portable Voice Amplifier Wireless & Wired Headset Microphone Speaker Mini Lightweight Personal Classroom Mic for Teachers Supports AUX Input,Bluetooth 5.0,Recording - S278UHF by hw haoworks - **How much does it cost?** ¥54618 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/309398314-portable-voice-amplifier-wireless-and-wired-headset-microphone-speaker-mini) ## Best For - hw haoworks enthusiasts ## Why This Product - Trusted hw haoworks brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Amplify Your Voice:** Experience crystal-clear sound that fills every corner. - • **Ultra-Light & Portable:** Weighs only 0.44 lbs for easy all-day use. - • **Dual Microphone Options:** Switch effortlessly between wired and wireless modes. - • **Long-Lasting Performance:** Enjoy up to 12 hours of continuous use on a single charge. - • **Multi-Functional Connectivity:** Connect via Bluetooth, AUX, or record audio seamlessly. ## Overview The S278UHF Portable Voice Amplifier is a versatile and lightweight solution for teachers and presenters, featuring a powerful 15W output, dual microphone options, and a long-lasting battery. With Bluetooth 5.0 connectivity and a compact design, it ensures your voice is heard clearly in any setting. ## Description Portable Voice Amplifier Wireless & Wired Headset Microphone Speaker Mini Lightweight Personal Classroom Mic for Teachers Supports AUX Input,Bluetooth 5.0,Recording - S278UHF ## Features - Amplify Your Voice With Clarity -- S278UHF professional portable voice amplifier allows your voice to be heard in every corner! Mini speaker produces 15 watts of loud clear and undistorted sound that can cover about 10000 sq.ft (1000 ㎡). Portable microphone helps you to speak with a lower voice, saving your vocal cords unnecessary stress. Megaphone speaker is so easy to use, the tone is incredible, volume control can be easily adjusted to fit the room and function needs. - Comes With 2 Mic Options -- S278UHF is a personal voice amplifier that comes with wireless & wired headset microphone. Easy set up and the headset is comfortable. Moreover, the wireless microphone is a headset and handheld 2 in 1 design, so you can easily change the headset mode to handheld mode to meet your needs. Hands-free microphone speaker system with low interference and high signal stability, no static, no drop out with use at a distance of 15~65 feet. - Ultra-light & Compact Design -- S278 UHF is a mini voice amplifier with headset microphone which is only 4.5 * 3.5 * 1.3 inches and 0.44 lbs. The voice amplifier includes adjustable waist/neck band for hands-free portability.It is a great aid for anyone who needs to talk all day long, especially teachers,instructors who need their voice for their profession. Portable microphone and speaker set is ideal for teaching, presentations, trainings and public speeches. - Long Life Battery -- Personal voice amplifier lasts a long time (10~12 hours); WIRELESS headset microphone lasts 3~5 hours. The equipped 2 in 1 multiple USB cable and 5V charger make charging very convenient. Only needs 3~5 hours to fully charge them. - Multi-functional: Mini megaphone can be used as a portable speaker. S278UHF sound amplifier has a built-in Bluetooth 5.0 with a working range up to 33ft. Easy connection to Bluetooth, AUX, TF/USB input. It can record audio as streamed through the microphone with USB/TF card inserted. - PLEASE REST ASSURED TO BUY - WE SELL NOT ONLY PRODUCTS BUT ALSO SERVICES. We provide lifetime technical support for HW HaoWorks voice amplifiers. Please feel free to let us know if you have any questions. We will work hard to provide you with a satisfactory solution. THE PACKAGE INCLUDES: Voice Amplifier + Wireless Headset Microphone +Wired Headset Microphone+ Wall Charger + Waistband + USB charging cable + Aux cable + Manual. ## Technical Specifications | Specification | Value | |---------------|-------| | Number of Channels | 1 | | Audio Input | microphone | | Output Wattage | 15 Watts | | Power Source | Battery Powered | | Connector Type | Aux, USB | | Connectivity Technology | Bluetooth | | Compatible Devices | Amplifier, Headphone, Speaker | | Item Weight | 0.14 Pounds | | Item Dimensions | 4.17 x 3.4 x 1.4 inches | | Material Type | Acrylonitrile Butadiene Styrene (ABS) | | Color | Black | ## Product Details - **Brand:** HW HAOWORKS - **Item dimensions L x W x H:** 4.17 x 3.4 x 1.4 inches - **Connectivity Technology:** Bluetooth - **Color:** Black - **Compatible Devices:** Amplifier, Headphone, Speaker ## Images ![Portable Voice Amplifier Wireless & Wired Headset Microphone Speaker Mini Lightweight Personal Classroom Mic for Teachers Supports AUX Input,Bluetooth 5.0,Recording - S278UHF - Image 1](https://m.media-amazon.com/images/I/612rFiAvRIL.jpg) ## Frequently Bought Together - Portable Voice Amplifier Wireless & Wired Headset Microphone Speaker Mini Lightweight Personal Classroom Mic for Teachers Supports AUX Input,Bluetooth 5.0,Recording - S278UHF - Lapel Microphone for Voice Amplifier 3.5mm Wired Clip-on Mic and 4pcs Microphone Covers Foam, Portable Mini Microphone for Teachers --- ## 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.jp/products/309398314-portable-voice-amplifier-wireless-and-wired-headset-microphone-speaker-mini](https://www.desertcart.jp/products/309398314-portable-voice-amplifier-wireless-and-wired-headset-microphone-speaker-mini) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-19*