--- product_id: 620021072 title: "Portable Voice Amplifier, Personal Voice Amplifier 18W with Wired Microphone Headset Waterproof Bluetooth Speaker Rechargeable PA System for Outdoors,Teachers,Shower,Beach,Tour Guide" brand: "shidu" price: "€ 136.68" currency: EUR in_stock: true reviews_count: 3 category: "Shidu" url: https://www.desertcart.hr/products/620021072-portable-voice-amplifier-personal-voice-amplifier-18w-with-wired-microphone store_origin: HR region: Croatia --- # 18W crystal-clear output 4400mAh battery, 10-12h playtime Waterproof & drop-resistant design Portable Voice Amplifier, Personal Voice Amplifier 18W with Wired Microphone Headset Waterproof Bluetooth Speaker Rechargeable PA System for Outdoors,Teachers,Shower,Beach,Tour Guide **Brand:** shidu **Price:** € 136.68 **Availability:** ✅ In Stock ## Summary > 🎤 Own the room, rain or shine—amplify your voice, amplify your influence! ## Quick Answers - **What is this?** Portable Voice Amplifier, Personal Voice Amplifier 18W with Wired Microphone Headset Waterproof Bluetooth Speaker Rechargeable PA System for Outdoors,Teachers,Shower,Beach,Tour Guide by shidu - **How much does it cost?** € 136.68 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/620021072-portable-voice-amplifier-personal-voice-amplifier-18w-with-wired-microphone) ## Best For - shidu enthusiasts ## Why This Product - Trusted shidu brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-Day Battery Freedom:** Recharge once, amplify your presence for up to 12 hours—no interruptions, just impact. - • **Comfort-Fit Retractable Mic:** Adjustable wired headset mic ensures crystal-clear pickup and comfort for marathon presentations or tours. - • **Ergonomic Waterproof Design:** Lightweight, durable, and splash-proof—built to keep pace with your dynamic lifestyle indoors or out. - • **Seamless Bluetooth & Multi-Input:** Connect instantly via Bluetooth, USB, TF card, AUX, or MP3—your voice, your soundtrack, anywhere. - • **Command Every Room with 18W Power:** Project your voice effortlessly across 1500 sq meters without distortion—be heard, be unforgettable. ## Overview The SHIDU Portable Voice Amplifier M800B delivers powerful 18W sound coverage up to 1500 square meters with zero distortion. Featuring a robust 4400mAh rechargeable battery, it supports 10-12 hours of continuous use. Its waterproof, dustproof, and drop-resistant ABS casing ensures durability for any environment. Multi-mode audio input includes Bluetooth (35ft range), USB, TF card, AUX, and MP3 compatibility. The ergonomic, adjustable wired microphone headset offers comfort and precise voice pickup, making it ideal for teachers, tour guides, coaches, and outdoor enthusiasts seeking clear, amplified communication. ## Description If you want to project you voice in a small or large group loudly or enjoy a beautiful music when take shower, that this portable waterproof voice amplifier is what you are looking for. Come and get this bluetooth speaker for your special outdoor activities use. ◆ Adjustable and Comfortable Microphone Headset Comes with super light and comfortable adjustable wired microphone headset, can stay on your head well, doesn't hurt your head after a long period of time. ◆ Quick and Easy to Pair Your Bluetooth Device with This Bluetooth Speaker Turn on the voice amplifier and enter into Bluetooth mode. Then turn on the bluetooth of your device, search “SD-M800” and connect, it will successfully connected with voice prompt “Bluetooth is connected”. ◆ Wide Application This portable bluetooth voice amplifier M800 is perfect for outdoors, teachers, singing, coaches, presentation, fitness instructors, yoga, elderly, tour guides or people who has a soft voice, parkinson's disease. Bluetooth Voice Amplifier Specification: Output Power: 18W Battery Capacity: 3.7V, 4400mAh Charging voltage: 5V, 1A Charging Time: 3-5 hours Working Time: 10-12 hours (It’s up to the volume you control)Warm tipsPlease charge the speaker and micrphone first before you use it.The voice amplifier support the wired mic as well as UHF wireless Microphone. When recording, please insert the USB or the SD card first.Portable Voice Amplifier for Teachers, Portable Waterproof Bluetooth Speaker for Outdoor Shower Beach, Personal Rechargeable Portable Microphone and Speaker System Mini PA System, Bluetooth Amp Speaker with Microphone Review: Very clear, great for large groups - This works amazingly especially for large groups Review: منتج رائع تصميم وجوده فنيه ممتازه - منتج عالي الجوده ويمكن استخدامه في القاعه الدراسيه واثناء الشرح في الرحلات ## Features - 【 Personal Voice Amplifier】Clear and distortion-free sound can cover a large room of about 1500 square meters, 4400mah rechargeable battery can be used for about 10-12 hours. It can easily amplify your voice, others can hear clearly. Excellent in range, volume and battery Life. - 【Portable Voice Amplifier】The size is 4.72*3.77*1.77 inches and lightweight is 1.47lb. come with belt and back clip. Portability design gives you freedom of movement. Communicate clearly and maintain a safe social distance. Mic with amplifier suitable for teacher, trainer, coacher, shopping mall, presentation, speech, elderly etc. - 【Waterproof Bluetooth Speaker】You can play audio via Bluetooth / USB / TF card / AUX / MP3.Bluetooth connection distance up to 35 feet away.The sound quality will exceed your imagination！This multi-function amplifier has durable exterior materials.Waterproof, dustproof and drop-resistant design perfect for any outdoor / indoor activities. - 【Retractable Microphone Headset】The Portable microphone arm can be bent to adjust the position and easy to display onto your head, adjustable to fit most size. Ergonomic design makes wearing very comfortable. - Please note that this is a wired microphone speaker. Portable speaker with microphone: The sound of 18W speaker with mic covers more than 20,000 square feet. Even if the volume is set to the maximum, the sound will not be distorted, You don't have to shout to amplify your voice and reduce the burden on your throat. Come with microphone headset can adjust the angle between the mouth and the mic, very comfortable to wear. - 【Helpful Tips】：1）For the best audio pickup, position the microphone about 3-5cm (1.2-2 inches) away from your mouth. 2）To prevent feedback, it's advisable not to place the microphone directly in front of the voice amplifier. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CKYYZ5JZ | | Audio Input | wired microphone, Bluetooth, USB, TF card, AUX, MP3 | | Best Sellers Rank | #21,960 in Electronics ( See Top 100 in Electronics ) #502 in Portable Bluetooth Speakers | | Brand | SHIDU | | Color | Black | | Colour | Black | | Compatible Devices | Headset, Laptop | | Compatible devices | Headset, Laptop | | Connectivity Technology | Bluetooth, USB | | Connectivity technology | Bluetooth, USB | | Connector Type | USB | | Country of Origin | China | | Customer Reviews | 5.0 out of 5 stars 5 Reviews | | Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) | | Item Type Name | voice amplifier | | Item Weight | 0.6 Kilograms | | Manufacturer | SHIDU | | Mfr Part Number | M800B | | Mounting Type | Portable | | Mounting type | Portable | | Number of Channels | 1 | | Output Wattage | 18 Watts | | Power Source | Battery Powered | | Power source | Battery Powered | | Warranty Description | One Year Warranty | ## Product Details - **Brand:** SHIDU - **Connectivity technology:** Bluetooth, USB - **Colour:** Black - **Compatible devices:** Headset, Laptop - **Mounting type:** Portable ## Images ![Portable Voice Amplifier, Personal Voice Amplifier 18W with Wired Microphone Headset Waterproof Bluetooth Speaker Rechargeable PA System for Outdoors,Teachers,Shower,Beach,Tour Guide - Image 1](https://m.media-amazon.com/images/I/71frfpxnbhL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very clear, great for large groups *by C***N on 15 August 2025* This works amazingly especially for large groups ### ⭐⭐⭐⭐⭐ منتج رائع تصميم وجوده فنيه ممتازه *by A***E on 27 January 2025* منتج عالي الجوده ويمكن استخدامه في القاعه الدراسيه واثناء الشرح في الرحلات ### ⭐⭐⭐⭐⭐ Good *by I***B on 26 November 2025* “A high-quality and highly practical product.” ## Frequently Bought Together - SHIDU Portable Voice Amplifier, Personal Voice Amplifier 18W with Wired Microphone Headset Waterproof Bluetooth Speaker Rechargeable PA System for Outdoors,Teachers,Shower,Beach,Tour Guide - SHIDU Mini Portable Rechargeable Bluetooth Speaker with Wired Earphone 10W 1800mAh Suitable for Teachers, Taxi Drivers, Coaches, Training, Tour Guides - HUACAM YYPJ-02 Condenser Microphone, Flexible Boom Wired (Standard 3.5mm Jack Connector) for Belt Pack Systems Mic (2 x Headset Headset) --- ## 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/620021072-portable-voice-amplifier-personal-voice-amplifier-18w-with-wired-microphone](https://www.desertcart.hr/products/620021072-portable-voice-amplifier-personal-voice-amplifier-18w-with-wired-microphone) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-16*