WIRED Voice Amplifier with FM Radio & Bluetooth speaker

WIRED Voice Amplifier with FM Radio & Bluetooth speaker

  • The S278 voice amplifier with 15 Watts output is loud enough to be heard in a classroom of 25 to 60 people. This portable microphone and speaker features high volume and low feedback. It is a great voice amplifier for teachers, tour guides, fitness instructors and anyone whose voice needs a boost.
  • LONG BATTERY LIFE -- The portable voice amplifier has a high capacity 2500mAh rechargeable Lithium Ion battery that provides up to 12 hours of operation from a fully charged battery. And it only takes 3-5 hours to fully charge.
  • LIGHTWEIGHT & EASY TO USE - - Personal microphone is compact, stylish, sleek and very easy to carry. With the help of the included belt, this lightweight portable microphone can be easily worn around your waist or hung on your neck. Small voice amplifier comes with a high performance headset microphone. Simple plug and play design allows you to instantly start using the microphone with speaker without the need to worry about pairing or connectivity - no frustration, hassle-free life.
  • MULTIFUNCTIONAL DESIGN -- This voice amplifier can act as a portable speaker by streaming music via Bluetooth to the device, or by using the auxiliary port. It also supports TF card playing, USB flash drive playing & FM Radio. One-key recording, only need to insert a TF/SD card and wired microphone for recording.You won't miss any important messages again!
  • Tech Specs

    Give Your Voice an Extra Boost!

    The S278 is a personal voice amplifier designed to reduce vocal strain and amplify the softest voice. This portable microphone is excellent for large rooms, at its max it will allow the speaker to be heard in nearly 10,000 square feet of space with clear sound and no distortion. This device is light weight, easy to use and portable. Conveniently straps around your waist, or slings over the shoulder. Take it with you wherever you go. 2500 mAh Lithium battery can be easily charged with the help of included USB cable and lasts for sufficiently long hours. It is ideal for a teacher, public speaker, exercise instructor or an individual with chronic low volume.

    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
    • 2500mAh Rechargeable Battery
    • Recording
    • FM Radio
    • U Disk
    • TF Card
    • AUX Audio Input




    • Power output: 15 W
    • Battery capacity: 2500mAh
    • 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.

©2018 by Inside-Outside.

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