an integrated device, containing loudspeaking,whistle,Enlarge / diminish sound source.
These products adopt the most advanced MCU programmed by computer, the sound of each one is consistently pure, no noise.
- Size: 160*55*145mm
- Type: 120Watt
- Power supply: 24V
- Loudness: 128Db;
- Rated power: 50W; Maximum power: 120W
- Output impedance: 8Ω
- Panel: power switch/volume, microphone socket; amplification line button [ amplifying function ]; whistle button ;