"Comprehensive performance:

Scope of kinetic energy:> 98db

Frequency response: 50Hz-18kHz

Disctionation: <1% 1KHz modulation"

"launcher:

Carrier frequency: UHF 530-920MHz

Frequency stability: ± 0.005%

Launch power: 10db

Current consumption: 120mA

Sidema:

98db

Audio output: 0-800mv

Frequency stability: ± 0.005%

Receive audio: 2 Road

Power voltage: DC 5V

Power consumption: 1.5W

Antenna: Wanxiang antenna

Effective distance of work: 30-50 meters"