VoiceBooster MR1505 12 Watt Portable Voice Amplifier — Covers 4500 square feet, Dual Inputs

Compact and powerful, the VoiceBooster MR1505 produces 12 Watt output to project clear speech across areas up to 4500 square feet. It offers two input ports — one for a microphone and one for an MP3 player — so you can use live voice or play recorded audio. A built-in rechargeable battery runs 10-15 hours of continuous use on a full charge, with an expected battery life of 2-3 years. Lightweight and easy to carry, this amplifier is perfect for Teachers, Tour Guides, Preachers, Coaches, Presenters, Performers, Costumes, Crowd Control, Vocal Disabilities, etc.