---
product_id: 4684818
title: "VoiceBooster Portable Voice Amplifier for Teachers - 25W Rechargeable Portable Speaker with Microphone Headset for Classroom, Tour Guide, Public Speaking, Built-in MP3 Player & FM Radio - MR-AK38"
brand: "voicebooster speak out"
price: "€ 266.28"
currency: EUR
in_stock: true
category: "Voicebooster Speak Out"
url: https://www.desertcart.hr/products/4684818-voicebooster-portable-voice-amplifier-for-teachers-25w-rechargeable-portable-speaker
store_origin: HR
region: Croatia
---

# Built-in MP3 & FM radio 25W powerful sound output 12-16 hrs rechargeable battery life VoiceBooster Portable Voice Amplifier for Teachers - 25W Rechargeable Portable Speaker with Microphone Headset for Classroom, Tour Guide, Public Speaking, Built-in MP3 Player & FM Radio - MR-AK38

**Brand:** voicebooster speak out
**Price:** € 266.28
**Availability:** ✅ In Stock

## Summary

> 🎤 Amplify your voice, amplify your influence.

## Quick Answers

- **What is this?** VoiceBooster Portable Voice Amplifier for Teachers - 25W Rechargeable Portable Speaker with Microphone Headset for Classroom, Tour Guide, Public Speaking, Built-in MP3 Player & FM Radio - MR-AK38 by voicebooster speak out
- **How much does it cost?** € 266.28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/4684818-voicebooster-portable-voice-amplifier-for-teachers-25w-rechargeable-portable-speaker)

## Best For

- voicebooster speak out enthusiasts

## Why This Product

- Trusted voicebooster speak out brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Command Every Room:** 25W amplification covers up to 8,000 sq ft—own your space with crystal-clear sound.
- • **Versatile Audio Hub:** Supports MP3, USB, SD cards, and FM radio—your all-in-one sound companion.
- • **Endurance That Lasts:** Rechargeable battery delivers up to 16 hours of continuous use—power through your longest days.
- • **Ready Out of the Box:** Includes headset mic, charger, cables, adjustable waistband, and carry bag—gear up instantly.
- • **Light as Air, Loud as Thunder:** Weighs just 1.72 lbs with a compact design—portable power that moves with you.

## Overview

The VoiceBooster MR-AK38 is a sleek, rechargeable 25W portable voice amplifier designed for professionals who demand clear, powerful sound on the go. With up to 16 hours of battery life, multi-format audio support including MP3 and FM radio, and a lightweight design with included headset and accessories, it’s the ultimate tool for teachers, tour guides, and public speakers aiming to captivate any audience effortlessly.

## Description

Buy VoiceBooster Portable Voice Amplifier for Teachers - 25W Rechargeable Portable Speaker with Microphone Headset for Classroom, Tour Guide, Public Speaking, Built-in MP3 Player & FM Radio - MR-AK38: Power Amplifiers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- POWERFUL VOICE AMPLIFIER: Delivers 25W of amplified sound coverage up to 8,000 sq ft. Ideal for public speaking, fitness class, classroom microphone for teachers, tour guides, and outdoor events requiring a portable microphone with speaker.
- RECHARGEABLE & LONG-LASTING BATTERY: Built-in rechargeable battery powers this portable voice amplifier for 12-16 hours of continuous use and fully recharges in just 6 hours. Designed to provide dependable sound amplification for 2-3 years of regular use.
- MP3, USB, SD & FM RADIO READY: Features SD card slot, USB port, MP3 input, built-in FM radio with auto tuning, and LCD display. Extendable design boosts sound projection and also works as a standalone MP3 speaker for external audio devices.
- PERSONAL VOICE AMPLIFIER IN ONE BOX: Includes a headset microphone, charger cable with US plug, 3.5mm MP3 cable, MP3 line in port, microphone line in port, adjustable waist band, and carry bag.
- LIGHTWEIGHT & COMPACT DESIGN: Weighing only 1.72 lbs, this power amplifier hangs over the shoulder. Great for teachers, performers, cosplay, Halloween, and hands-free speaking.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00558AYUS |
| Antenna Location | Radio |
| Audio Input | Microphone, MP3 Player |
| Best Sellers Rank | #11,453 in Musical Instruments ( See Top 100 in Musical Instruments ) #45 in Power Amplifiers #7,266 in Music Recording Equipment |
| Brand | Voicebooster Speak Out |
| Color | Black |
| Compatible Devices | Headset, MP3 Player, Radio |
| Connectivity Technology | AUX |
| Connector Type | Aux |
| Customer Reviews | 4.6 4.6 out of 5 stars (218) |
| Enclosure Material | Plastic, Rubber |
| Item Dimensions | 5.79 x 3.74 x 3.74 inches |
| Item Weight | 1.72 Pounds |
| Manufacturer | Voice Booster |
| Mfr Part Number | MR-AK38 |
| Model Number | MR-AK38 Black |
| Mounting Type | Tabletop |
| Number of Channels | 2 |
| Output Wattage | 25 Watts |
| Power Source | Battery Powered |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Voicebooster Speak Out
- **Color:** Black
- **Compatible Devices:** Headset, MP3 Player, Radio
- **Connectivity Technology:** AUX
- **Item dimensions L x W x H:** 5.79 x 3.74 x 3.74 inches

## Images

![VoiceBooster Portable Voice Amplifier for Teachers - 25W Rechargeable Portable Speaker with Microphone Headset for Classroom, Tour Guide, Public Speaking, Built-in MP3 Player & FM Radio - MR-AK38 - Image 1](https://m.media-amazon.com/images/I/71guu2-epbL.jpg)
![VoiceBooster Portable Voice Amplifier for Teachers - 25W Rechargeable Portable Speaker with Microphone Headset for Classroom, Tour Guide, Public Speaking, Built-in MP3 Player & FM Radio - MR-AK38 - Image 2](https://m.media-amazon.com/images/I/71RYojCJmzL.jpg)
![VoiceBooster Portable Voice Amplifier for Teachers - 25W Rechargeable Portable Speaker with Microphone Headset for Classroom, Tour Guide, Public Speaking, Built-in MP3 Player & FM Radio - MR-AK38 - Image 3](https://m.media-amazon.com/images/I/71kEySDYKkL.jpg)
![VoiceBooster Portable Voice Amplifier for Teachers - 25W Rechargeable Portable Speaker with Microphone Headset for Classroom, Tour Guide, Public Speaking, Built-in MP3 Player & FM Radio - MR-AK38 - Image 4](https://m.media-amazon.com/images/I/71MoaHHN6HL.jpg)
![VoiceBooster Portable Voice Amplifier for Teachers - 25W Rechargeable Portable Speaker with Microphone Headset for Classroom, Tour Guide, Public Speaking, Built-in MP3 Player & FM Radio - MR-AK38 - Image 5](https://m.media-amazon.com/images/I/81weOLJYxQL.jpg)

## Available Options

This product comes in different **Model** options.

## Questions & Answers

**Q: Will this work in other countries?**
A: yes as long as you have the right plug adapter depending on the country.

**Q: Is this suitable for a classroom? i.e. very clear and crisp sound coming through?**
A: yes its suitable for a classroom the sound is crisp has a little echo sound

**Q: Does the unit have phantom power (to use a condenser mic with)?**
A: Hi, I have no idea, all I know is that it has Mic In, Line In and DC Input, sorry I couldn't answer the question.

**Q: Can I plug in a mp3 player,plug in the mic and sing to the music**
A: yes, your going to love this thing! i use it for preaching on the streets. you can play music and sing at the same time.

## Frequently Bought Together

- Voicebooster Speak Out Personal Voice Amplifier – Portable Speaker with Microphone Headset for Classroom, Tour Guide, Presentations - Built-in MP3 Player & FM Radio – 25watt Black MR-AK38
- Voicebooster Speak Out Headset Microphone Lightweight Adjustable Boom Mic with Feedback Control - 3.5mm Plug for Voice Amplifiers for Public Speaking, Classroom Teaching, Tour Guiding
- Voicebooster Speak Out Dual Tie-Clip & Handheld Microphone 3.5mm Wired Mic with On/Off Switch for Voice Amplifier, Public Speaking, Teachers, Costumes, Presentations – 39" Cord in Black

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**Shop now:** [https://www.desertcart.hr/products/4684818-voicebooster-portable-voice-amplifier-for-teachers-25w-rechargeable-portable-speaker](https://www.desertcart.hr/products/4684818-voicebooster-portable-voice-amplifier-for-teachers-25w-rechargeable-portable-speaker)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-22*