Loud voice command and warning system

1.Equipped with master volume control function.
2.Supports recording and playback functions.
3.Built-in megaphone function.
4.Supports one microphone input channel.
5.Compatible with external audio source input.
6.Supports wireless microphone operation for announcements.
7.Features built-inspecial warnings audio and public security siren sound sources with one-touch playback.
8.Includes USB port for MP3 file playback from USB drives.
9.One-touch power on/off capability.
10.Displays battery level indicator.
11.Integrated charging port functionality.

Specification
Rated Power : 50W
Peak SPL(@1m)（Note）: 135dB±2dB
Effective Freq. Resp. : 650Hz-6.8kHz@-10dB
Directivity : 18°@2.5kHz/-3dB
Battery Life: ≥4h
Volume（L×W×H）: 217mm×250mm×243mm
Weight: 2.7kg (with battery 3kg)