--- product_id: 442084200 title: "20W Wireless Voice Amplifier" brand: "bietrun" price: "€ 4.28" currency: EUR in_stock: false url: https://www.desertcart.ie/products/442084200-20w-wireless-voice-amplifier store_origin: IE region: Ireland --- # Dual wireless & wired mics, 60 channels 20W UHF crystal-clear sound 12h battery life + 3h fast charge 20W Wireless Voice Amplifier **Brand:** bietrun **Price:** € 4.28 **Availability:** ❌ Out of Stock ## Summary > 🎙️ Speak Loud, Lead Proud — Amplify Your Presence Instantly! ## Quick Answers - **What is this?** 20W Wireless Voice Amplifier by bietrun - **How much does it cost?** € 4.28 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/442084200-20w-wireless-voice-amplifier) ## Best For - bietrun enthusiasts ## Why This Product - Trusted bietrun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Dual Mic System:** Switch effortlessly between wireless and wired headset microphones with 60 interference-free channels. - • **All-Day Battery Endurance:** Rechargeable 2000mAh battery delivers up to 12 hours of nonstop amplification with quick 3-hour charging. - • **Ultra-Light & Wearable Design:** Weighing just 0.45 lb with a convenient belt clip and waistband for hands-free, on-the-go use. - • **Powerful 20W UHF Amplification:** Fill rooms up to 10,000 sq.ft with crisp, distortion-free sound that saves your voice. - • **Bluetooth 5.0 & Multi-Source Playback:** Stream music or presentations wirelessly, plus support for TF card, USB, FM radio, and AUX input. ## Overview The Bietrun Voice Amplifier is a compact, portable 20W UHF wireless PA system designed for teachers, coaches, and guides. It offers crystal-clear sound coverage up to 10,000 sq.ft, dual wireless and wired headset microphones with 60 channels, and a rechargeable 12-hour battery. Bluetooth 5.0 connectivity and multi-source audio inputs make it versatile for any speaking or presentation environment, all packed in a lightweight, wearable design. ## Description Buy Bietrun Voice Amplifier for Teachers with Bluetooth, Portable Rechargeable Wireless Voice Amplifier with Headset Microphone Portable Megaphone Speaker for Teaching, Coach, Instructor, Tour Guide: Wireless Headset Microphones - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Warm Tips: Do not put the microphone in front of the voice amplifier when using it, otherwise it may cause noise or statics. - ★UHF 20W Voice Amplifier:The Bietrun voice amplifier adopts UHF transmission, with 20W peak power to output powerful, clear, crisp and no noise & distortion sound. ★It covers about 10000 sq.ft (1000 ㎡), and the stable performance perfect for amplifying your sound and saving your throat. - ★Rechargeable and Long Battery life: Personal voice amplifier built-in a 2000mAh rechargeable lithium battery, works 12 hours at max volume and takes only 3H with a full charge.★The wireless microphone can be used for about 6 hours. ★2 in 1 charging cable(Included) charges amplifier and wireless mic simultaneously.★If no input signal is detected within 20 seconds, speaker will enter sleep mode automatically to save power. - ★Portbale, Lightweight and Compact: The speaker is a portable public address system.★Weights only 0.45 lb/204g, equipped with a back clip to fix the device at your belt or pocket, or you can hang it around your waist with the included waistband belt. ★You can use this in any setting from indoor to outdoor use, perfect for teachers, coaches, training, presentation, tour guide, classrooms etc. A big help in speaking to 50+ members in your group. - ★Bluetoothe & Multi-function: Touch the SOURCE button 3 times to switch to bluetooth 5.0(30M) mode, then turns on Bluetooth on the phone, search "Bietrun” and pair it. ★Support TF(Micro SD) card, USB Disk, FM radio, Recording(Only in wired mic mode), 3.5mm AUX audio input and touch display.★You can long press Play/Pause button to repeat single tune or loop all music. ★Please make sure the TF card/USB Disk(Not included) is inserted before recording. - ★Wired and wireless Microphone Headset: Easy to Use.★Insert the wired microphone into the MIC jack to use. Or turn on the wireless mic, it will pair automatically within 3S.★The wireless mic owns 60 channel, you can short press the Pair button on the wireless mic to avoid interference.★Two microphone headsets are lightweight and adjustable.You can adjust the distance between the microphone and mouth with its flexible gooseneck. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09P2T2FP7 | | Antenna Location | Singing | | Audio Input | Wired microphone, Wireless microphone, 3.5mm AUX audio input, TF card | | Battery Type | Lithium Ion | | Best Sellers Rank | #52,837 in Musical Instruments ( See Top 100 in Musical Instruments ) #262 in Wireless Headset Microphones & Systems | | Brand | Bietrun | | Color | Black | | Compatible Devices | MP3, Smartphone, TF Card, U DIisk | | Connectivity Technology | Bluetooth, UHF | | Connector Type | Aux | | Customer Reviews | 4.1 4.1 out of 5 stars (260) | | Enclosure Material | Metal, Plastic | | Included Components | Charging Cable, Voice Amplifier, Waistband Belt, Wired Microphone Headset, Wireless Microphone Headset | | Item Dimensions | 3.54 x 1.18 x 4.52 inches | | Item Weight | 300 g | | Manufacturer | Bietrun | | Mfr Part Number | TS-230 | | Model Number | TS-230 | | Mounting Type | back clip | | Number of Channels | 60 | | Number of Items | 1 | | Output Wattage | 20 watts | | Power Source | Battery Powered | | Warranty Description | One Year warranty | ## Product Details - **Brand:** Bietrun - **Color:** Black - **Compatible Devices:** MP3, Smartphone, TF Card, U DIisk - **Connectivity Technology:** Bluetooth, UHF - **Item dimensions L x W x H:** 3.54 x 1.18 x 4.52 inches ## Images ![20W Wireless Voice Amplifier - Image 1](https://m.media-amazon.com/images/I/81QYt53POyL.jpg) ## Questions & Answers **Q: Should we carry all the time during conference or can we place it on somewhere on table** A: I give tours with it in my vehicle and I sit the speaker in the area of the passengers and it works great **Q: no charger included?** A: Call the sale people. Usually, these kits have a USB connection with them. **Q: How to I get my iPhone music to play through the amp while simultaneously speaking into the wireless head set mike to call out line dance steps?** A: I connect my iPhone via bluetooth to the speaker I'm using, and that's where my music comes from. (I use this mic to teach a fitness class, so my microphone plug is connected to a second speaker in the studio.) **Q: Will i be able to hear my students through this device?** A: The headset doesn’t cover your ears, so hearing things is all based on how loud your music is ## Frequently Bought Together - Bietrun Voice Amplifier for Teachers with Bluetooth, Portable Rechargeable Wireless Voice Amplifier with Headset Microphone Portable Megaphone Speaker for Teaching, Coach, Instructor, Tour Guide - Akingdleo 2 pcs Portable Lapel mic 3.5mm Audio Compatible with Voice Amplifiers S6 - WERJIA Hard Carrying Case for Zoweetek/SHIDU Voice Amplifier Portable with Rechargeable Wired Microphone (Case Only) --- ## 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.ie/products/442084200-20w-wireless-voice-amplifier](https://www.desertcart.ie/products/442084200-20w-wireless-voice-amplifier) --- *Product available on Desertcart Ireland* *Store origin: IE* *Last updated: 2026-09-04*