Description
specifications
- Horn unit : 40mm
- Horn impedance：16+-15%
- Speaker frequency response: 20Hz~20KHz
- Rated input: 5V === 124mA
- Rated power: 0.62W
- Microphone sensitivity: - 41 $ 3dB
- Microphone signal-to-noise ratio: ≥ 58dB
- Microphone frequency response: 100Hz-10KHz
- Wire length: ≥ 1.8M
- warranty : 30 days