- Output power: 5W * 2
- External magnetic horn: 4 Ω 5W * 2
- Input sensitivity: 400mV
- Resolution: ≥ 90dB
- Signal to noise ratio: ≥ 80dB
- Working voltage: DC 5V
- Battery: 18650:: 2400ml
- Battery working time: 3.5H
- Horn size: 52mm * 2
- Machine size: 234 * 94 * 97mm
- Unit weight: 848g