Bietrun Voice Amplifier for Teachers with Bluetooth, Portable Rechargeable Wireless Voice Amplifier with Headset Microphone Portable Megaphone Speaker for Teaching, Coach, Instructor, Tour Guide

I was commissioned to do a series of presentations for the local library system, and because my normal voice is fairly soft, I researched for a voice amplification device that teachers use to talk over the din of 30 kids, and found this one recommended. I've only used it so far once, but it did a stellar job, so much so, I returned the one that was over twice the price and about 5 times the weight and size! The larger, heavier, bulkier PA had more (useless) features like FM, which added complexity when pairing with the headset. Also, this bigger, bulker PA said it records the input sound - I ordered twice, and both times this feature failed. This mini but mighty unit pairs automatically to the headset and it is ready to go. I did a decibel meter check, and although this 20 watt was several db lower than the 30 watt much bigger device, it filled the library room satisfactorily with sound. There was no "room" for the lecture, the room was the open library itself! Another impressive feature as well is this once comes with a wired mic as well as a backup. This is different to comparable units that only offered one ... or bundled with a handheld mic, which I don't want for lectures as I need two hands to use the pointer, advance slides and call for audience. Plus, hand held mics for lectures are bad as you naturally drop the mic lower and lower as time goes on to a point it no longer amplifies. The other cool thing about this setup is that it comes with ONE charging cable, that has a Y, one for speaker, the other for headset. The "top of the line" 30 watt PA had two individual charging cords, so easy to misplace. When I did a test run for my next session, the librarian noted a buzzing noise at max volume, so I turned it down a touch so it would not be so "buzzy". My audience is especially a challenge as it it mainly seniors, who are hard of hearing. This next session is in a closed room with tables and chairs for 24, so I do not anticipate any hearing issues, but I will post an update if something goes wrong. So far this is a mini, but surprisingly mighty, inexpensive, PA system has done well.

Very good Personal Amplifier. If a UHF unit so there is no latency (echo). Ideal for a small to a good size medium size room. Recommend!

Comes with two headsets: a wired one and a bluetooth one. I tend to use the wired one cause hooking up the bluetooth one seems to be a pain. It's difficult to control the touch settings on the pack itself. The sound quality sounds muffled like talking through a phone, so it's not the best. But it is pretty loud and works well in a large room.

super

The unit has been used to provide a voice boost for open field presentations to to spectators. while it works, the controls are badly placed allowing them to be UNINTENTIONALLY changed during use, thus creating lapses in the presentation.