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The S278 is a portable voice amplifier with multi-function.
This voice amplifier offers reasonable amplification for all basic needs & allow you to teach more comfortably for long hours, while preventing the unnecessary exertion & stress.
- 15 Watts Large Power
- Bluetooth 4.2 Compatible
- Rechargeable Battery
- Recording
- FM Radio
- U Disk
- TF Card
- AUX Audio Input
Specifications:
- Power output: 15 W
- Charging: DC 5V, 500mA
- Charging time: 3-4 hours
- Working time:
Speaker:8-12 hours(mic mode), 6-8 hours(music mode)
- Size: 4.5 x 3.5 x 1.3 in
- Weight: 0.44lb
Multifunctional Bluetooth voice amplifier
1. Works with Bluetooth-enabled devices such as cellphones and tablets when used as a Bluetooth speaker; play audio from non-Bluetooth devices including CD players,laptops via Aux line-in.
2. Plays any MP3 / WMA / WAV format audio files in SD card / U disk mode.
3. FM radio and antenna design add extra value to the speaker.
Long Battery Life
1. It offers a playback time of 6 to 8 hours in the musical mode, and 8 to 12 hours of life in microphone mode.
2. For convenient recharging, place one end of the USB cable that comes with the unit into a computer or into a separate plug (not included) for insertion into a standard wall outlet.
Compact size & Lightweight
Compact size (4.5 x 1.3 x 3.5 inches) and only 0.44 LB. This portable voice amplifier is very easy to carry.
What's in the package:
- 1 * voice amplifier
- 1 * wired headset mic
- 1 * USB charging cable ( Send black or white randomly)
- 1 * AUX cable ( Send black or white randomly)
- 1 * waistband
- 1 * user manual
Adjustable volume button
You can control the volume easily.
One- key Recording
One-touch recording, need to insert a TF/SD card ( not included ) and wired microphone for recording. Easily record meetings , lectures and more. You won't miss any important messages again!
Hd LED screen
Portable voice amplifier with LED display makes operation more intuitive and simple.
Comfortable button
Simple and easy to use.
Emily
August 6, 2025
It gets really loud! and is super easy to use. The headset is a bit cheap but it’s fine and works well. Good quality for the price. I use it for teaching when I’m wearing my mask and it works great.
Tracey J.
July 31, 2025
Works awesome. I bought it for teaching while wearing with my mask and face shield. It is amazing. My students can hear me well. Great battery life. Easy to use.
Rosanna
July 23, 2025
battery life is very good. Belt clip broke after one use. Sound is a bit fuzzy and mechanical (robot like) but loud which is good in larger spaces. And don't put the machine near the headphones while wearing it or you will be deafened by feedback. Ears were ringing for an hour after this accidentally happened at work.
S-Em
July 6, 2025
If you're debating getting one as a teacher, get it! This one is nice and light, doesn't strain your neck, has awesome battery life, is loud enough, and really helps to get and keep the student's attention, especially while teaching and wearing a mask and face shield. You won't regret it!
Anya Grace
May 23, 2025
The quality is much more than I expected! It is very clear, no static and adjusting the volume is very convenient. Definitely worth the purchase
Supply teacher
May 2, 2025
I am THRILLED with the clear sound amplification!! I have used this device with the mic hidden under my mask to distant visit outside with my elderly mother. The sound projects perfectly with no static/ buzzing/ squealing even though it is pressed against my mouth by the mask. I primarily purchased this for teaching and haven't used it yet for that purpose. I hope the battery lasts all day!!
Ross Eichler
May 2, 2025
Soft voice was amplified nicely
Michelle H
April 27, 2025
Great for use with my mask and under a shield, I’m able to wear protective gear while my students can hear me, I am even better able to repeat their answers to the whole class since they have a hard time hearing anyone with a mask
WAGNER FERNANDES FONSECA
April 17, 2025
Usei esta semana no retorno das aulas. Tive muita resistência em usar qualquer amplificador, estava perdendo tempo e prejudicando a voz por isso. Ao usar o aparelho percebi a diferença e o quanto ajuda a dar aulas. Em nenhum momento precisa forçar a voz. Som nítido e é fácil de usar. Depois de uma semana de trabalho (todas as manhãs), consegui manter a voz limpa e descansada. Qualidade de vida e de trabalho.
Cliente de
March 19, 2025
Tiene un excelente sonido, nítido y de buen alcance. Lo uso diariamente 6 horas y aún le queda carga.
mm
February 10, 2025
Very pleased with all of the possible amplification options. Bluetooth paired easily with phone and computer - good range, tried it between rooms, perhaps 30 feet. When I cycled inputs on amp, it quickly reconnected automatically to phone. Mic/headset and all features listed work well. Operation is simple - a single button cycles through different inputs. I am impressed with the FM receiver - as good or better than some of my other small portable radios.Any use of a mic and amp can cause feedback - so start with low volume and position amp and mic for best results, slowly raise volume to suit needs.
Lyra Star
December 5, 2024
As an elementary school librarian who teachers lessons to every class in the school, every week, having to wear a mask, I was concerned about my voice. I purchased this at the beginning of the school year and have used it for six months now. It stays charged for around a week or so. It allows the students to hear me clearly and I can hear myself so I do not strain my voice even when I have two masks on. Once you get over the feeling of working in a theme park, it is truly helpful! Many of the other teachers in my building have bought them as well.
Julio Márquez
November 3, 2024
se escucha con claridad y buen sonido, pero hoy que lo ocupo me doy cuenta que me enviaron uno de 5w y el trato habia sido de uno de 15 w
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