Top 5 Best microphone voice amplifier for sale 2016

1. Voice Amplifier, Goodee Rechargeable Portable Waistband Pa System Microphone for Teachers Coaches Tour Guides and Presentations etc, Up to 15~20 Hours Playtime (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
[VERY LOUD & EXCELLENT CLARITY]: Sound covers over 3,500 square feet. Can also be used MP3 speaker. The AMP has a microphone input and a MP3 input . The AMP will accept signals from both input ports and out through the speaker at the same time. LOW feedback.[VERY EASY TO USE & PROTECT YOUR THROAT]: Super Long Play Time, Rechargeable Lithium Batteries that last 10~15 hours of continuous use before needing a charge. Battery lifespan will last 2~3 years.

2. [Upgraded] DuaFire SmartVoize Ultra-Clear Rechargeable Voice Amplifier, Powerful Compact and Comfortable Portable Headset Microphone with FM Radio Recorder for Tour Guides, Teachers, Coaches, Costumes (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
Loud and Clear: Sound covers over 5300 square feet (500 Square Meters) with excellent clarity and minimal feedbackRechargeable and Long Using Time: Rechargeable lithium batteries can last 10-15 hours. Battery life is more than 2 years

3. WinBridge S613 2.4G Wireless Digital Voice Amplifier with Power Supply Microphone for Special Teaching Amplifier 18W 7.4V/1200MAH High Volume Blue (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
Cyber Monday Sale !!!7.4 V 1200mAh Lithium battery --- long standby & using time

4. XIAOKOA Super Voice Amplifier with 2.4G Wireless Microphone(40m Headset& Handheld 2 in 1) Loud Sound(2200Sqm), FM Radio Music Player Loudspeaker Audio Input (F506) (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
High quality super voice amplifier, full metal shell & aluminium alloy medium frame makes it lighter, stronger and more steady, delicate touch, no aging, no fading and scratch proof ,durability enhance 500% 4.6inch strong magnetic speaker(sound cover 2200sqm ), mic volume could independently control to meet different occasions' requirement, suitable for any occasions.

5. XIAOKOA Ultralight Portable Voice Amplifier With Wired Microphone, MP3 Player(SD TF Card/ Flash Drive), FM Radio For Teacher, Coach, Tour Guide, Salesman(F73 Blue) (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
Professional sound amplifying,sound is loud,clear and low feedback,suitable for teaching,tour guide,shopping mall,outdoor speech and other occasions.Built In Rechargeable 1800mAh Lithium Batteries That Last Up To 12 Hours Of Continuous Use Before Needing A Charge.