Amazon.com: Voice Amplifier 20 Watts, Portable, for ...
Very loud, excellent clarity, low feedback. Sound covers over 4,300 square feet (400 Square Meters) Small & Portable Super Powerful Voice Amplifier/Speaker. Size is 4.13in x 3.31in x 1.38in (105mm x 84mm x 35mm) Comes with adjustable waist or neck band and a removable belt clip. Comes with Headset microphone, Charger cable, MP3 cable, MP3 line in port, Microphone line in port.
DA: 67 PA: 83 MOZ Rank: 72