WX-81 WX-82 microphone

Output impedance: 580Ω (±15%)    Sensitivity:-55±3dB(at1KHz)(0dB=lmV/Pa)

Pointing characteristics: unidirectional  Frequency response range: 50-15KHZ

Audio signal: digital sampling   Pairing method: Automatic pairing

Frequency:2350MHz-2483MHz   Voice frequency: 20Hz~20kHz

Use distance: about 30 meters   Power supply: built-in 1100mAh14650 battery

Audio output: Mixed output   Microphone size: 26cm

Transmission mode:two-way frequency hopping

Battery life: 4 hours for red, blue and green,3 hours for other colors