SANMIC 15W WB003 Personal Voice Amplifier for Teachers with Wired Headset Microphone, Portable 2600mAh Rechargeable Megaphone Mini PA Bluetooth Speaker System for Classroom -Teacher Gifts
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Pyle Portable Outdoor PA Speaker Amplifier and Microphone System with Bluetooth Wireless Streaming, Rechargeable Battery, Belt Pack Transmitter, Headset, Lavalier, Wired Handheld Mic - PWMA220BM
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Okuyonic Microphone Amplifier, Portable Mic Amp 3.5mm Interface Good Sensitivity DC 5V 1000 Times Amplification ALC Automatic Level Control for Stereo, Mini Voice Amplifier for Teachers, Singing
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Portable Voice Amplifier with UHF Wrieless Microphone Headset, Giecy 30W Bluetooth Rechargeable Personal Voice Amplifier, PA System Speaker for Multiple Locations Classroom, Meetings and Outdoors
Giecy