Microphone Boya BY-WM8 Pro-K1 Wireless System (UHF Dual-Channel)

Specification
– Oscillator Type: PLL Synthesized Control Oscillator
Carrier Frequency Range
– Transmitter A: 556.71 MHz – 575.98 MHz
– Transmitter B: 576.39 MHz – 595.66 MHz
– Channels: 48
– Frequency Response: 40 Hz to 18 kHz (+/-3dB)
– Operation Range: 100m (300′) (without obstacle)
– Antenna: 1/4λ wire antenna
– Audio Input Connector: 3.5mm mini jack
– Signal to Noise Ratio: 70dB or more
– Distortion: 0.5% or less
– Headphone Output Level: 30mW (16Ω)
– Audio Output Level: -60dBV
– Power Supply: Two AA size batteries
– Operation Time: About 4 hours
– Dimensions: 208(H) × 67(W) × 29(L)mm
– Weight: 90g without batteries