Voicebooster Speak Out

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

Name: VoiceBooster Portable Voice Amplifier for Teachers - 25W Rechargeable Portable Speaker with Microphone Headset for Classroom, Tour Guide, Public
Brand: Voicebooster Speak Out
SKU: B00558AYUS
Price: 118.41 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-21

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$118.41

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🛒 See live eBay price Also on Amazon — View Current Price → Compare to similar audio & midi

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The 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 is a specs-and-price decision rather than a crowd-consensus one in the audio & midi category, priced around $118.41. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Pros & Cons

Pros

✓ Backed by Voicebooster Speak Out's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

SpecPicks Verdict

SpecPicks scored VoiceBooster Portable Voice Amplifier for Teachers - 25W… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the audio & midi category. Voicebooster Speak Out's audio & midi lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for audio & midi of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Key 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.

Full Specifications

Brand	Voicebooster Speak Out
Color	Black
Unit Count	1.0 Count
Audio Input	Microphone, MP3 Player
Connectivity	USB
Model Number	MR-AK38 Black
Power Source	Battery Powered
Mounting Type	Tabletop
Connector Type	Aux
Output Wattage	25 Watts
Item Dimensions	5.79 x 3.74 x 3.74 inches
Mfr Part Number	MR-AK38
Antenna Location	Radio
Compatible Devices	Headset, MP3 Player, Radio
Enclosure Material	Plastic, Rubber
Number of Channels	2
Connectivity Technology	AUX
Item dimensions L x W x H	5.79 x 3.74 x 3.74 inches
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.

Ready to 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 is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.