产品规格颜色
Black, White, Blue, Red
产品简介
- Input terminals: DC3.5DC Plug 4
- Working voltage: 3.7V
- Maximum output power: 90MW
- Noise level :20db
- Signal to noise ratio (SNR): 90db
- Power supply: 600mA lithium battery
- Rated operating time: 28h
- Noise Reduction Type: One-way feedback
- Speaker diameter: 40mm
- Speaker Impedance: 32Ω
- Speaker frequency response: 20Hz - 20KHz
- Speaker sensitivity: 115dB
- Wire length: pvc wire, 1.2m