--- product_id: 138614818 title: "Nefficar Portable Voice Amplifier for Teachers – Wireless Mic with Bluetooth Speaker - Headset Microphone – PA System for Classroom – 15W Loud Output" brand: "nefficar" price: "810 kr" currency: ISK in_stock: false reviews_count: 8 url: https://www.desertcart.is/products/138614818-nefficar-portable-voice-amplifier-for-teachers-wireless-mic-with-bluetooth store_origin: IS region: Iceland --- # UHF wireless tech, zero pairing hassle 15W loud, clear output 2200mAh battery, 10-12h mic time Nefficar Portable Voice Amplifier for Teachers – Wireless Mic with Bluetooth Speaker - Headset Microphone – PA System for Classroom – 15W Loud Output **Brand:** nefficar **Price:** 810 kr **Availability:** ❌ Out of Stock ## Summary > 🎤 Own the room, not just the mic. ## Quick Answers - **What is this?** Nefficar Portable Voice Amplifier for Teachers – Wireless Mic with Bluetooth Speaker - Headset Microphone – PA System for Classroom – 15W Loud Output by nefficar - **How much does it cost?** 810 kr with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/138614818-nefficar-portable-voice-amplifier-for-teachers-wireless-mic-with-bluetooth) ## Best For - nefficar enthusiasts ## Why This Product - Trusted nefficar brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Stay Connected, Always:** Dual mic options plus Bluetooth streaming keep you in control, no matter what. - • **Engineered for Real-World Use:** Lightweight waist-clip design that powers your voice to 50-100 listeners effortlessly. - • **Endurance That Outlasts Your Day:** Rechargeable powerhouse delivering up to 12 hours of uninterrupted voice amplification. - • **Freedom to Move, Freedom to Speak:** Cut the cords and command your space with seamless UHF wireless freedom. - • **Crystal Clear, Emotionally Engaging Sound:** 15W PA system that amplifies your natural voice without distortion or harshness. ## Overview The Nefficar Portable Voice Amplifier N511-UHF is a lightweight, wearable PA system designed for teachers, coaches, and guides. Featuring 15W output, UHF wireless technology for stable, hassle-free connectivity, and a powerful 2200mAh battery offering up to 12 hours of mic time, it delivers crystal-clear voice amplification to audiences of up to 100 people. With dual mic options and Bluetooth streaming, it ensures uninterrupted performance and versatile use throughout your day. ## Description Bringing to you the latest range of communication tools which solve problems of online and offline communication. Nefficar is an Indian brand and an Indian company that is determined to bring to you cutting-edge audio equipment which are functionally effective, come with a premium build, and at competitive prices. The company has been serving customers since 2015. The brand gained popularity with its flagship product - a portable voice amplifier, subsequently launching its wireless version, and a range of wireless microphones. Our products are crafted with a commitment to superior audio quality, exceptional durability, and an unmatched customer experience. We invest heavily in research, design, and rigorous testing to ensure every product delivers on these promises. Our products have helped thousands of teachers trainers, instructors, news reporters, and vloggers, and it feels amazing to know how happy they are. These also help a lot of patients who have feeble voices due to health issues, and thus face problems communicating. ## Features - FREEDOM TO MOVE, FREEDOM TO SPEAK – Forget the old struggle with dangling cords and poor sound. Our wireless voice amplifier with UHF technology gives you seamless movement, crystal clear audio, and zero pairing hassles. Most Bluetooth systems can't match this stability. - DESIGNED FOR TEACHERS, COACHES & GUIDES – Built keeping real users in mind — this teacher microphone speaker clips on the waist, feels weightless, and covers 50–100 people effortlessly. While others compromise on comfort or volume, we deliver loud, clear, natural voice amplification without distortion. - MORE WAYS TO STAY CONNECTED – Along with the wireless headset mic, we also include a free wired mic — ensuring you stay powered even if the wireless battery runs low. Plus, the built-in Bluetooth speaker lets you stream music or announcements without needing another device. While others leave you stranded mid-session, Nefficar keeps you connected. - POWER THAT LASTS BEYOND EXPECTATIONS – With a powerful rechargeable voice amplifier (2200 mAh), speak for hours without recharge anxiety. 10–12 hours mic time, 6–10 hours music time — unlike cheap amplifiers that die midway through your class, session, or tour. - LOUD, CLEAR, AND EMOTIONALLY CONNECTED – The 15W portable PA system ensures your voice feels personal — not like a noisy megaphone. Ideal for teachers, yoga instructors, tour guides, fitness coaches — because being heard shouldn’t mean sounding harsh. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07Q38X8P2 | | Audio Input | Common audio input types (e.g., USB, 3.5mm, XLR, etc.) | | Best Sellers Rank | #9,381 in Musical Instruments (See Top 100 in Musical Instruments) #64 in Power-Amplifiers | | Brand Name | NEFFICAR | | Colour | Wireless | | Compatible Devices | Laptop, Smartphone | | Connector Type | USB | | Customer Reviews | 3.8 3.8 out of 5 stars (659) 3.8 out of 5 stars | | Importer Contact Information | Nefficar, 235, 2nd floor, 13th Cross Road, 2nd Stage, Indira Nagar, Bengaluru - 560038 | | Included Components | Speaker and Mic | | Item Dimensions | 12 x 5 x 10 Centimeters | | Item Type Name | Voice Amplifier | | Item Weight Unit Of Measure | 208 Grams | | Manufacturer | NEFFICAR | | Manufacturer Part Number | WiredLoudSpeaker-B | | Model Number | N511-UHF | | Mounting Type | Wearable | | Network Connectivity Technology | UHF | | Number Of Items | 1 | | Packer Contact Information | Nefficar, 235, 2nd floor, 13th Cross Road, 2nd Stage, Indira Nagar, Bengaluru - 560038 | | Power Source | Battery Powered | | Warranty Description | 1 Year | ## Product Details - **Brand:** NEFFICAR - **Colour:** Wireless - **Compatible Devices:** Laptop, Smartphone - **Connectivity Technology:** UHF - **Item dimensions L x W x H:** 12 x 5 x 10 Centimeters ## Images ![Nefficar Portable Voice Amplifier for Teachers – Wireless Mic with Bluetooth Speaker - Headset Microphone – PA System for Classroom – 15W Loud Output - Image 1](https://m.media-amazon.com/images/I/51RyjHn44WL.jpg) ![Nefficar Portable Voice Amplifier for Teachers – Wireless Mic with Bluetooth Speaker - Headset Microphone – PA System for Classroom – 15W Loud Output - Image 2](https://m.media-amazon.com/images/I/61iWC5PBLjL.jpg) ![Nefficar Portable Voice Amplifier for Teachers – Wireless Mic with Bluetooth Speaker - Headset Microphone – PA System for Classroom – 15W Loud Output - Image 3](https://m.media-amazon.com/images/I/61SkfFV0xDL.jpg) ![Nefficar Portable Voice Amplifier for Teachers – Wireless Mic with Bluetooth Speaker - Headset Microphone – PA System for Classroom – 15W Loud Output - Image 4](https://m.media-amazon.com/images/I/61Osno04wnL.jpg) ![Nefficar Portable Voice Amplifier for Teachers – Wireless Mic with Bluetooth Speaker - Headset Microphone – PA System for Classroom – 15W Loud Output - Image 5](https://m.media-amazon.com/images/I/612RMaTeayL.jpg) ## Available Options This product comes in different **Colour** options. ## Questions & Answers **Q: Which is the best collar microphone supported by the amplifier?** A: Nefficar Collar Microphone is perfectly compatible with this loudspeaker and offers the same level of clarity as the headset mic that comes in the package and comes with tie clip to easily place it on your tie, collar, lapel, pocket or t-shirt neck. **Q: Is shidu and nefficar same?** A: I didn't find any noticeable difference - between shidu and nefficar. Had bought both of them (few years back). My wife had to talk in a classroom of 120+ students, and this was a lifesaver for her. **Q: Can we use tie-clip microphone?** A: Yes, you can use a tie-clip microphone as long as it is a wired one. To clarify, the tie-clip microphone doesn't come with this Voice Amplifier and you need to buy it separately. What you get with the voice amplifier is a headset kind of microphone that can be either put on head or worn around your neck. **Q: How far does your voice reaches in open area?** A: based on the speaker loudness, If the volume is high speaker speaks in high volume it creates noise. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best Product at Good Price *by on Reviewed in India 26 September 2024* I've been using the N511 wireless amplifier for a few weeks now and honestly, it's a total game-changer! I'm a teacher and having to shout to be heard was starting to wear out my voice, but this little device has made my life so much easier. The sound is super clear and loud enough for my whole class to hear me even in a large classroom. I also tried it outside during a school event and it projected my voice really well.The wireless mic is so comfortable to wear and you don't feel restricted at all, like you do with wired ones. You can just walk around and talk naturally without thinking about staying close to the amplifier. Pairing it was also super easy, didn't even have to read the instructions (though they're there if you need them haha).Battery life is pretty decent too – I used it for about 5-6 hours straight without needing to charge. I also love that it comes with multiple ways to connect, like bluetooth and aux, which means I can even play music through it during breaks. Only small downside is that the headset sometimes feels a little bit flimsy, but I think it's more about me being clumsy than the actual build.All in all, worth every penny and a must-buy if you need something portable but powerful. Highly recommend! ### ⭐⭐⭐⭐ Useful *by on Reviewed in India 27 July 2025* Good ### ⭐⭐⭐⭐⭐ powerful voice amplifier *by on Reviewed in India 15 October 2023* Voice Amplifiers are a game-changer! small in size and compact but powerfull , recently purchased one, and I'm thoroughly impressed. The clarity and volume are exceptional. It's lightweight, and easy to use, making it perfect for presentations or teaching. wireless mic connectivity is also best , Battery life I can't say early but built-in features enhance the quality. A fantastic tool for public speaking or any situation where your voice needs that extra boost. Highly recommended! ## Frequently Bought Together - Nefficar Portable Voice Amplifier for Teachers – Wireless Mic with Bluetooth Speaker - Headset Microphone – PA System for Classroom – 15W Loud Output - WinBridge Bluetooth Voice Amplifier for Teachers, Wireless Voice Amplifier with Bluetooth Headset Microphone, Portable Megaphone Speaker Headset System, Teacher Must Haves 15W WB002 - rts 2024-2025 Wireless Presenter Laser Power Point PPT Presenter Slide Changer Controller with USB Receiver for Mac/Computer/Laptop Windows Mac PC Presentation Clicker for Keynote/PPT/Google Slides --- ## 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.is/products/138614818-nefficar-portable-voice-amplifier-for-teachers-wireless-mic-with-bluetooth](https://www.desertcart.is/products/138614818-nefficar-portable-voice-amplifier-for-teachers-wireless-mic-with-bluetooth) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-09-17*