--- product_id: 706405469 title: "Voice Amplifier with Wireless Lapel Microphone, Personal Teachers Microphone for Classroom, Portable Megaphone PA Speaker Headset System, Wireless Voice Amplifier for Tour Guide/Yoga" brand: "jkoailiwi" price: "FREE" currency: EUR in_stock: false reviews_count: 8 url: https://www.desertcart.pt/products/706405469-voice-amplifier-with-wireless-lapel-microphone-personal-teachers-microphone-classroom store_origin: PT region: Portugal --- # wireless lavalier mic 20m wireless range 20h battery life Voice Amplifier with Wireless Lapel Microphone, Personal Teachers Microphone for Classroom, Portable Megaphone PA Speaker Headset System, Wireless Voice Amplifier for Tour Guide/Yoga **Brand:** jkoailiwi **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🎙️ Amplify your voice, amplify your impact. ## Quick Answers - **What is this?** Voice Amplifier with Wireless Lapel Microphone, Personal Teachers Microphone for Classroom, Portable Megaphone PA Speaker Headset System, Wireless Voice Amplifier for Tour Guide/Yoga by jkoailiwi - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/706405469-voice-amplifier-with-wireless-lapel-microphone-personal-teachers-microphone-classroom) ## Best For - jkoailiwi enthusiasts ## Why This Product - Trusted jkoailiwi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Teacher’s Best Ally:** Eliminate teaching fatigue with a system designed to reduce vocal strain by 100% and boost classroom engagement. - • **All-Day Amplification Power:** Up to 20 hours of crystal-clear voice projection on a single charge keeps you heard from morning till night. - • **Effortless Wireless Freedom:** Seamless pairing with a 20-meter wireless lapel mic for untethered movement. - • **Throat-Saving Hi-Fi Clarity:** Built-in Hi-Fi acoustic tech ensures your voice reaches 50+ students without strain or distortion. - • **Light as a Feather, Ready to Go:** Compact 200g design fits comfortably on your waist—portable power without the bulk. ## Overview This portable voice amplifier features a wireless lavalier microphone with a 20-meter range, delivering up to 20 hours of continuous use on a single charge. Designed for educators and presenters, it offers Hi-Fi sound clarity to project your voice clearly to audiences of 50+ people while reducing vocal strain. Lightweight and compact at just 200g, it’s the perfect hands-free solution for classrooms, tours, and yoga sessions. ## Description Product Description Jkoailiwi 2025 Newest Wireless Voice Amplifier for Teachers [Important Usage Notes]: As the microphone is an electronic device, proximity to the amplifier can sometimes result in echoes. To prevent this, we recommend setting the amplifier volume to the lowest level before turning it on. Also, avoid pointing the microphone's head directly at the amplifier. Q: How do I use this wireless voice amplifier for teachers? A: 1, Insert the wireless receiver into the mic port. 2, Press and hold the power button for 3 seconds to turn on the personal voice amplifier. 3, Press and hold the receiver and the wireless microphone for 1 second to initiate the automatic connection process. Equipped with built-in Hi-Fi acoustic technology , it ensures crystal-clear sound. 8W powerful output could cover 10000 sqft. Make sure everyone can hear your voice, thereby providing effective protection for your throat . Reliable Wireless Range (Up to 20m/66ft): Experience a stable connection in optimal, open-field conditions with minimal interference. Note: Physical obstacles and other wireless devices may reduce actual operational distance. Its compact size allows for effortless portability, enabling it to be comfortably worn on your waist without causing any discomfort or burden. Review: Low cost and seems to work OK - For the price it seems fine. Time to deliver as it came from China is not that good - delivery time should be more obvious! Instructions are not all in English although it's fairly simple to work out. Review: Cheap and cheerful - I am not happy with the amount of feed back from the amp. It has no English/Europe instruction. It is not suitable for my needs but you might find it usable ## Features - 【Important Usage Notes】 As the microphone is an electronic device, placing it too close to the amplifier may cause echoing. To prevent this, we recommend turning the amplifier on only after setting the volume to the lowest level. Additionally, please avoid pointing the microphone directly toward the amplifier. - 【Reduce Teaching Burden】Jkoailiwi 2025 innovative voice amplifier comes with a wireless receiver and lavalier microphone that seamlessly pair upon activation. This design offers a distinct advantage by eliminating the discomfort often associated with head-mounted microphones near the ear. It significantly reduces the teaching burden in class by a whopping 100%! - 【Teacher Must Have】This portable microphone and speaker is an ideal and practical gift for educators who frequently address or instruct sizable audiences. Equipped with built-in Hi-Fi acoustic technology, it ensures crystal-clear audio projection, enabling classrooms with over 50 students to distinctly hear your voice, thereby providing effective protection for your throat. - 【Long Battery Life】: The personal voice amplifier features a built-in 2200mAh battery, providing up to 20 hours of amplification on a full charge, with a recharge time of 3-5 hours. Additionally, the wireless microphone provides 5 hours of usage on a full charge in just one hour, and its wireless transmission distance is 20 meters. * Note: Physical obstacles and other wireless devices may reduce actual operational distance. - 【Lightweight and Portable】 This mini voice amplifier weighs merely 200g and fits in the palm of your hand. Its compact size allows for effortless portability, enabling it to be comfortably worn on your waist without causing any discomfort or burden. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CPJ5HSTX | | Antenna Location | Educational settings, presentations, and large audiences | | Audio Input | Wireless Microphone | | Best Sellers Rank | 33,757 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 255 in PA-Systems | | Box Contents | user guide, voice amplifier, charge cable, wireless receiver & microphone, wired headset microphone, belt | | Brand | Jkoailiwi | | Brand Name | Jkoailiwi | | Colour | Black | | Compatible Devices | Electronic devices with 3.5mm mic ports | | Compatible devices | Electronic devices with 3.5mm mic ports | | Connectivity technology | 3.5mm TRS or TS | | Connector Type | Aux | | Customer Reviews | 3.7 out of 5 stars 180 Reviews | | Enclosure Material | Plastic | | Item Dimensions | 8.4 x 2.8 x 9.2 centimetres | | Item Weight | 0.36 Kilograms | | Item dimensions L x W x H | 8.4 x 2.8 x 9.2 centimetres | | Manufacturer | Jkoailiwi | | Mounting Type | Tabletop | | Mounting type | Tabletop | | Network Connectivity Technology | 3.5mm TRS or TS | | Number of Channels | 1 | | Output Wattage | 8 Watts | | Power Source | Battery Powered | ## Product Details - **Brand:** Jkoailiwi - **Colour:** Black - **Compatible devices:** Electronic devices with 3.5mm mic ports - **Connectivity technology:** 3.5mm TRS or TS - **Item dimensions L x W x H:** 8.4 x 2.8 x 9.2 centimetres ## Images ![Voice Amplifier with Wireless Lapel Microphone, Personal Teachers Microphone for Classroom, Portable Megaphone PA Speaker Headset System, Wireless Voice Amplifier for Tour Guide/Yoga - Image 1](https://m.media-amazon.com/images/I/71piIzDc7CL.jpg) ![Voice Amplifier with Wireless Lapel Microphone, Personal Teachers Microphone for Classroom, Portable Megaphone PA Speaker Headset System, Wireless Voice Amplifier for Tour Guide/Yoga - Image 2](https://m.media-amazon.com/images/I/61xYweTyq-L.jpg) ![Voice Amplifier with Wireless Lapel Microphone, Personal Teachers Microphone for Classroom, Portable Megaphone PA Speaker Headset System, Wireless Voice Amplifier for Tour Guide/Yoga - Image 3](https://m.media-amazon.com/images/I/71CjTqj0+BL.jpg) ![Voice Amplifier with Wireless Lapel Microphone, Personal Teachers Microphone for Classroom, Portable Megaphone PA Speaker Headset System, Wireless Voice Amplifier for Tour Guide/Yoga - Image 4](https://m.media-amazon.com/images/I/713q3BvMxmL.jpg) ![Voice Amplifier with Wireless Lapel Microphone, Personal Teachers Microphone for Classroom, Portable Megaphone PA Speaker Headset System, Wireless Voice Amplifier for Tour Guide/Yoga - Image 5](https://m.media-amazon.com/images/I/617yiwB6X1L.jpg) ## Available Options This product comes in different **Colour Name** options. ## Customer Reviews ### ⭐⭐⭐⭐ Low cost and seems to work OK *by P***R on 28 November 2025* For the price it seems fine. Time to deliver as it came from China is not that good - delivery time should be more obvious! Instructions are not all in English although it's fairly simple to work out. ### ⭐⭐ Cheap and cheerful *by H***S on 30 October 2025* I am not happy with the amount of feed back from the amp. It has no English/Europe instruction. It is not suitable for my needs but you might find it usable ### ⭐ Review *by K***N on 29 October 2025* Do not buy absolute rubbish ## Frequently Bought Together - Jkoailiwi Personal Voice Amplifier for Teachers, Mini Voice Amplifier with Wireless Lavalier Microphone, Portable Megaphone Speaker Headset System for Teaching and Speaking, Personal PA System - ZOWEETEK ZW-Z258 Portable Rechargeable Mini Voice Amplifier for Teachers with Wired Microphone Headset and Waistband,Supports MP3 Format Audio for Speech, Class, Training,Tour Guide,Power Amplifiers - NORWII Voice Amplifier Wired Mini Portable Rechargeable with Personal Wired Microphone for Teachers, Classroom, Presentation, Tour Guides, Meeting, Coaches. Black --- ## 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.pt/products/706405469-voice-amplifier-with-wireless-lapel-microphone-personal-teachers-microphone-classroom](https://www.desertcart.pt/products/706405469-voice-amplifier-with-wireless-lapel-microphone-personal-teachers-microphone-classroom) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-11*