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🎙️ Speak Up, Stand Out — Amplify Your Impact!
The Norwii Voice Amplifier is a portable, professional-grade teaching tool featuring a powerful 10-watt output, advanced feedback suppression, and a choice of 2000mAh or 4000mAh rechargeable batteries. Designed for educators and presenters, it offers crystal-clear sound through a sensitive headset microphone and a durable, lightweight design with clip-on convenience. Perfect for classrooms, fitness sessions, and public speaking, it ensures your voice carries clearly without strain or feedback.











| ASIN | B082B15FQ1 |
| Antenna Location | Accessibility Support, Emergency & Safety, Fitness & Group Activities, Outdoor & Hobby Use, Religious & Community Settings, Retail & Customer Service, Teaching & Training |
| Audio Input | AUX, MIC, Bluetooth |
| Battery Type | Lithium Ion |
| Best Sellers Rank | #438 in Musical Instruments ( See Top 100 in Musical Instruments ) #4 in Power Amplifiers #200 in Music Recording Equipment |
| Brand | KNORVAY |
| Color | White - 2000mAh |
| Compatible Devices | Headphone, Headset, Laptop, MP3 Player, Smartphone |
| Connectivity Technology | AUX, Bluetooth, USB |
| Connector Type | Aux, USB |
| Customer Reviews | 4.4 out of 5 stars 659 Reviews |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS), PC |
| Item Dimensions | 4 x 3.59 x 1.49 inches |
| Item Weight | 5.6 ounces |
| Item dimensions L x W x H | 4 x 3.59 x 1.49 inches |
| Manufacturer | Shanghai Norwii Technology Co., LTd. |
| Mfr Part Number | S358 |
| Model Number | S358 |
| Mounting Type | Portable |
| Number of Channels | 2 |
| Number of Items | 1 |
| Output Wattage | 10 watts |
| Power Source | Battery Powered |
| Warranty Description | 1 Year Limited Warranty |
S**H
Great for amplifying voice
I am very soft spoken, so when I teach or give presentations, it is difficult for me to project my voice to a large crows for extended periods of time. (Sore throat after speaking more than 10 minutes loudly). So this device allows me to speak in a normal voice and just increase the volume. It is sensitive so when walking around if you bump the mic it pics up every sound and getting the mic close will make the screeching sound. It was also comfortable to wear for extended periods of time. The battery lasted hours. The sound quality isn't amazing, but people can hear you clearly. When i say it isn't amazing i mean that it doesn't have a lot of bass, so your voice doesn't sound as "full" but it can be heard clearly
S**N
Rowdy classroom voice saver
This has been a day saver in my large theater classroom. When it is difficult to bring students back to attention, I put it on at full volume. I have even dropped it several times and it continues working. Well worth it!
D**R
Won't last a year, but it's a great little device!
I'm purchasing my third one in less than three years, using it only during the school year as I am a music teacher. I love that I can wear it like a little purse; I like it in white; it's a voice saver for sure; it's easy to charge and lasts through the whole teaching day; the headset is lightweight. It's really awesome and I don't even want to try a different one. It's not super expensive either. But I'm starting to wonder if it is purposely designed NOT to last so we have to replace it for another $30 each year?
T**L
Great value for my classroom
I bought this to use in my classroom. My school bought me a similar one off of our bid list and it was $80. It stopped working after a couple of months. I didn’t expect much out of this one because the one that they purchased was so crappy. The sound quality on this one is much better, and the battery last all day and then some so it’s no big deal if I forget to charge it. The microphone piece is not wireless but I actually like that better because I think the sound quality is better and it means there are fewer pieces for me to charge every day. my school recently purchased audio enhancement for every classroom so I will be retiring this guy soon for every day use, but I definitely plan to keep it around to use outside and at assemblies. My classroom is very large and this meets my needs perfectly.
A**A
Nice
A present for a teacher! Very good!
S**X
Go To Teaching Tool
I've been using this product since hybrid teaching after the Pandemic. The size of it fits in my pocket, but the new clip on lanyard is helpful. I also like the new circular shape of the microphone connector to the headset. The speaker and microphone last me a long time and I use them all day teaching. It has saved my voice and been an essential teaching tool in my career. Thank you!
L**.
Feedback sometimes unexpectedly
This product works alright. It is not as loud as I had hoped it would be, and it sometimes has very loud feedback, even just touching the cord while it is on. It would be nice if it had an on and off button so that you could turn it off when you know you’re getting near a wall or a door where it will give feedback. As it stands, you have to dial it down to zero to turn it off and, since it’s not that loud, it’s hard to remember which way is the direction of off, unless you are looking at it. I bought it to use in my classroom so I don’t overstress my voice while teaching. Even though it is not ideal, I will still use it on occasion.
K**N
Great for teaching yoga, more than loud enough!
We use this voice amplifier for teaching yoga, it did a great job projecting to the 20 people in an outdoor setting! Loud enough to play over music, and battery life and ease of use was great!
A**G
Voor zijn geld prima apparaat
Geeft een behoorlijke versterking van de stem met acceptabele vervorming.
S**4
期待通りの良い機器です。
とても重宝しています、マイクからの音量も調整出来ますし、音質も明朗です。 大きさは購入前に確認しなかったので、届いたのが、以外と小型なので使用し易いです。 音量を大きくしたままにし、忘れてスイッチONし、マイクとスピーカー部が近がくと、 物凄いピー音が出るので注意(当たり前のこと) に
S**.
Handy and does what it's made for.
Works well. Is light to carry and really handy tha you can connect an extra device like a cellphone.
S**N
Pratique
Sympa comme Amplificateur portable. J'aurai aimé m'en servir un peu plus.
M**L
Really nice little amp
I use this amplifier for my Armorer Cosplay and it works really well. It has good clear voice amplification and is compact and lightweight. I used it all day at a Convention and the battery lasted really well, only seeming to lose power and therefore volume towards the end of the day. The headset is comfortable and the mic position is adjustable.
Trustpilot
3 days ago
2 weeks ago