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🎤 Own the room, never lose your voice.
The SHIDU 35W Voice Amplifier is a professional-grade wireless PA system designed for educators and speakers. Featuring a powerful 35W output, it covers large areas up to 22,604 sq ft with clear, distortion-free sound thanks to AI noise reduction. Its 2.4G lavalier mic offers a stable 40-meter wireless range, while Bluetooth 5.3 enables seamless music streaming. With a lightweight, ergonomic design and a robust 3100mAh battery delivering up to 16.5 hours of use, it ensures comfort and reliability for long teaching or speaking sessions.

















| Asin | B0F3347WFV |
| Best Sellers Rank | #565 in Musical Instruments (See Top 100 in Musical Instruments) #6 in Power Amplifiers |
| Customer Reviews | 4.0 4.0 out of 5 stars (202) 4.0 out of 5 stars |
| Date First Available | March 31, 2025 |
| Item Model Number | M500-U66-Black |
| Item Weight | 10.1 ounces |
| Manufacturer | SHIDU |
| Product Dimensions | 4.57 x 3.39 x 1.81 inches |
User
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.
User
Powerful Sound, Easy to Use, and Perfect for Teaching!
The SHIDU 35W Voice Amplifier has been an excellent purchase! The sound is loud, clear, and easy to hear, even in larger classrooms or outdoor settings. The wireless microphone connects quickly and allows me to move around freely while teaching without losing sound quality.I also love the Bluetooth feature, which makes it easy to play music or other audio when needed. The battery lasts for hours on a single charge, and the amplifier is lightweight and comfortable to carry throughout the day. It's simple to set up and use, making it a great option for teachers, presenters, coaches, or anyone who needs reliable voice amplification. I highly recommend it!
User
TERRIBLE COMPANY
TERRIBLE experience don't buy! I lost my voice permanently due to a surgical error. I bought this to help my elderly father hear me in our home. It worked so well I bought a second one. Within 4 months both completely stopped working. Was beyond the Amazon return time so I reached out to the company twice for help and not even a response. Back to square one and have to put out more money.
User
I use this because of a paralyzed vocal cord, and it is amazing!
I have a paralyzed vocal cord, I bought this amplifier for my speaking engagements, and now I wish I would have bought this two years ago! It is easy to use, volume and sound quatlity is amazing.
User
Too small for large meetings.
We ordered this for calling bingo at our senior center. For our purposes it works fine, especially since the acoustics in the building cause sound to be carried good anyway. This would not be adequate for large conferences or meeting halls. The speaker is smaller than I thought and the sound is not as dynamic as I would have hoped it would be. If you get the microphone near the speaker it will have a piercing "feed-back!" If the microphone is not kept stationary, it will pick up static sound from rubbing against clothing. When using the speaker it is best to place the speaker on a wall or table where it can be stationary or there will be "popping" and "cracking." The speaker comes with a "sling" for placing it on ones shoulders but I do not recommend carrying it. It's good for calling bingo at a senior building. I'm sure it would be adequate for small office meetings or class room settings. Anything larger would require a larger sound system.
User
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.
User
Works a few months
Worked great for three months before parts inside the microphone came loose and would no longer work. Don’t be too trusting of the speaker clip, slips easily and will fall off. I expected the speaker to break from this before the microphone but sad to say I cannot be heard at dismissal anymore out of nowhere :(
User
Very powerful little speaker
This was a great speaker to have at a tournament. I used it to save my voice while calling instructions to competitors in the ring. In a crazy loud environment it was audible much farther than I expected, and I was grateful for it. It got borrowed by two other people throughout the day because it was so useful.I got another brand to try out as well, and that might have worked in a quieter setting, but it wasn't strong enough in such a loud, chaotic setting.Pros:- very loud- Lightweight- Attaches to belt buckle or it has a cross body/waist strap- Dual ended Charging cable can charge both the speaker and mic at the same time.- lasted for the whole event, about 7 hours.Cons:- Not hands-free in such a large setting. Attaching the mic to your lapel might work in a quieter setting, but in such a loud environment the mic did best when I held it right up to my mouth.
User
Disappointed
It doesn’t work .. i was rewally looking forward to this device.. very disappointed. I wish they can exchange what i got with a working one .. but its just say return .. so i applied for a return.
User
Gran alternativa como altavoz
Nos funciona muy bien para brindar visitas guiadas, tiene una potencia bastante correcta y una buena calidad. Nos gusta particularmente que se pueda manejar la sensibilidad del micrófono para encontrar el balance justo entre subir el volúmen y no tener que mantener pegado el micrófono a tu boca
User
Loud and clear
Loud and clear
User
Not worth
Very disappointed for the price .. lots of noise and lapel clip does not work you need to face the mic to your mouth
User
Buena calidad
Me encanto. Son de Buena calidad y a UN buen precio
Trustpilot
3 weeks ago
3 days ago