--- product_id: 738454218 title: "SHIDU 35W Voice Amplifier for Teachers Bluetooth Wireless Lavalier Mic" price: "€ 115.55" currency: EUR in_stock: true reviews_count: 13 url: https://www.desertcart.sk/products/738454218-shidu-35w-voice-amplifier-for-teachers-bluetooth-wireless-lavalier-mic store_origin: SK region: Slovakia --- # 40m wireless mic range 35W powerful output 16.5h battery life SHIDU 35W Voice Amplifier for Teachers Bluetooth Wireless Lavalier Mic **Price:** € 115.55 **Availability:** ✅ In Stock ## Summary > 🎤 Amplify your voice, amplify your impact—teach like a pro, anywhere! ## Quick Answers - **What is this?** SHIDU 35W Voice Amplifier for Teachers Bluetooth Wireless Lavalier Mic - **How much does it cost?** € 115.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/738454218-shidu-35w-voice-amplifier-for-teachers-bluetooth-wireless-lavalier-mic) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Freedom to Move:** Industry-leading 40-meter wireless mic range lets you roam and engage without losing connection. - • **All-Day Endurance:** 3100mAh rechargeable battery powers up to 16.5 hours of continuous use—no mid-class interruptions. - • **Ergonomic & Lightweight:** Clip-on design reduces ear fatigue and keeps you comfortable, so you can focus on your message, not your gear. - • **Crystal-Clear Projection:** 35W true acoustic power delivers rich, distortion-free sound that fills classrooms up to 2100㎡ effortlessly. - • **Seamless Bluetooth Audio:** Dual 2.4G wireless mic and Bluetooth 5.3 music playback combine for a flawless, multi-functional audio experience. ## Overview The SHIDU 35W Voice Amplifier is a professional-grade wireless sound system designed for educators and presenters. Featuring a powerful 35W output, a 40-meter wireless lavalier mic range, and up to 16.5 hours of battery life, it ensures clear, stable voice amplification across large spaces. Its lightweight clip-on design and Bluetooth 5.3 connectivity make it versatile for classrooms, tours, fitness, and more, delivering comfort and freedom while protecting your vocal health. ## Description Buy SHIDU 35W Voice Amplifier for Teachers Bluetooth Wireless Lavalier Mic | Portable Microphone and Speaker, Power Voice Amplifier Personal Clip on Microphone System for Tour Guides Fitness Instructors: Power Amplifiers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Great for Classroom use - I am in vocal therapy at the Cleveland Clinic because of vocal damage from vocal overuse. My therapist stressed the importance of using amplification. No Problem! the building I had been in had amplification in all the classrooms. This new position is an older building and that is not available. I had a system I used 6 years ago, but it was bulky and awkward. I am so pleased with this new device. It is cute! (I bought the lavender one.) I was concerned it would be tinny and hurt little ears. It is not the best audio but it is absolutely comfortable and fine to listen. The lapel mic works great and it is not heavy. It clips on my lanyard as well. The enclosed belt fits around my waist and is very comfortable. Review: Powerful Sound - This voice amplifier works extremely well and has been a huge help for my daily teaching and meetings. The sound is loud and clear without any distortion, even in a larger room. The 35W output is more than enough to project my voice comfortably without straining. The wireless lavalier microphone is lightweight and very convenient—I can move around freely while speaking, and the connection stays stable. Bluetooth works smoothly for playing audio, and the speaker quality is surprisingly good for such a compact device. I also love how portable it is. The clip design makes it easy to wear, and the battery lasts long enough for a full day of use. Setup was quick, and all the controls are simple and intuitive. ## Features - 【 True Acoustic Power Amplifier 】SHIDU 35W wireless voice amplifier is paired with a 2.4G lavalier microphone, which has more advanced sound sensitivity and stronger sound penetration, stable connection and no noise, and can cover a large classroom of about 22,604 square feet (2100㎡) with 320 people. - 【 Greatly Reduce the Pain of Stuck Ears 】Voice amplifier for teaches has a lightweight clip-on design that can be clipped to your collar or held in your hand, which greatly reduces the discomfort of wearing a headset and allows you to get a better experience when teaching or explaining. - 【 Transmission Technology Breakthrough 】SHIDU is the only product of its kind on the market that breaks through the technological barriers to enable speakers and microphones to support a 40 meter/131 feet wireless connection, while playing music via a 5.3 Bluetooth connection for a hassle-free audio experience. - 【 Long Battery Life 】Voice amplifier has a built-in 3100mAh rechargeable battery, which only takes 2-4 hours to charge on a single charge, providing up to 16.5 hours of continuous use, ensuring reliability for long sessions. It can be quickly charged with the included Type-C charging cable. - 【 Widely Used 】Portable microphone and speaker are small in size and stable in performance. They are very suitable for amplifying your voice and protecting your throat. They can be applied to teaching, training, singing, coaching, tour guides, shopping malls, speeches, yoga, outdoor, etc. - 【 Warm Tips and Guarantee 】Please keep the speaker and mic for a distance and facing away each other to avoid the signal affected. We provide return and refund without reason in 30 days, and 24-month warranty, and lifetime technical support.SHIDU is committed to giving you a new experience. - 【 Note 】Microphone heads too close to the speaker will make sharp and strange sounds, which is common sound reflex, so try to avoid microphone heads too close to speakers. Avoid pointing the microphone directly at the speaker. ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #835 in Musical Instruments ( See Top 100 in Musical Instruments ) #6 in Power Amplifiers | | Customer Reviews | 4.0 out of 5 stars 211 Reviews | ## Product Details - **Brand:** SHIDU - **Item dimensions L x W x H:** 4.57 x 3.39 x 1.81 inches - **Connectivity Technology:** Bluetooth - **Color:** Black - **Compatible Devices:** Headset/Laptop/MP3 Player/Smartphone/Tablet ## Images ![SHIDU 35W Voice Amplifier for Teachers Bluetooth Wireless Lavalier Mic - Image 1](https://m.media-amazon.com/images/I/81-koAFkwKL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: What is the output power?** A: The output power is 35W, and the effective coverage is about 22,604 square feet (2100㎡) **Q: Will there be distortion?** A: With Ai noise reduction technology, the sound is clear and not distorted. **Q: Does it support Bluetooth connection?** A: Yes, it supports Bluetooth 5.3 and can be connected to a mobile phone to play music. **Q: Who is it suitable for?** A: It is suitable for teachers, tour guides, trainers, speakers, the elderly, people with low voices or those who need to speak for a long time. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great for Classroom use *by T***K on September 18, 2025* I am in vocal therapy at the Cleveland Clinic because of vocal damage from vocal overuse. My therapist stressed the importance of using amplification. No Problem! the building I had been in had amplification in all the classrooms. This new position is an older building and that is not available. I had a system I used 6 years ago, but it was bulky and awkward. I am so pleased with this new device. It is cute! (I bought the lavender one.) I was concerned it would be tinny and hurt little ears. It is not the best audio but it is absolutely comfortable and fine to listen. The lapel mic works great and it is not heavy. It clips on my lanyard as well. The enclosed belt fits around my waist and is very comfortable. ### ⭐⭐⭐⭐⭐ Powerful Sound *by R***X on December 13, 2025* This voice amplifier works extremely well and has been a huge help for my daily teaching and meetings. The sound is loud and clear without any distortion, even in a larger room. The 35W output is more than enough to project my voice comfortably without straining. The wireless lavalier microphone is lightweight and very convenient—I can move around freely while speaking, and the connection stays stable. Bluetooth works smoothly for playing audio, and the speaker quality is surprisingly good for such a compact device. I also love how portable it is. The clip design makes it easy to wear, and the battery lasts long enough for a full day of use. Setup was quick, and all the controls are simple and intuitive. ### ⭐ STAY AWAY! GARBAGE! *by N***D on August 21, 2026* I ordered this on July 2, 2026. It seemed to work really well for the first few days of use, then went in stubborn, useless mode. Even though the return date is passed, I tried to contact the seller to see if they might send a replacement, a WORKING UNIT! This is what I wrote to them: This does NOT work! It is fully charged. I have the fully charged microphone turned off. I turn the speaker unit on, it displays "10", it switches to 00:00 and shows the fully charged battery icon. Within 5 seconds, it shuts off. Their reply was simply, that I missed the return date. SO... if you are willing to throw away your good, hard earned money, go ahead and buy this garbage. It did sound good the first few times of use, then poof, garbage. Don't waste your time or money. I needed this due to unilateral paralysis of my larynx. I don't have a voice without a voice amplifier. I am VERY DISAPPOINTED WITH THIS PRODUCT AND SELLER!!! --- ## 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.sk/products/738454218-shidu-35w-voice-amplifier-for-teachers-bluetooth-wireless-lavalier-mic](https://www.desertcart.sk/products/738454218-shidu-35w-voice-amplifier-for-teachers-bluetooth-wireless-lavalier-mic) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-09-11*