Function characteristics:

TMC - 640 VHF yituo four wireless microphone

S open microphone, sound aura light hair

S receiver has low electrical warning lights

S have independent output and mixed output function, can meet mixer or power amplifier

S power supply: transmitter DC9V receiver AC220V 50 hz

S receiver power consumption: 35 ma

S carrier frequency: VHF220 ~ 270 MHZ

S frequency stability: plus or minus 0.002%

S SNR: > 98 db

S of adjacent-channel interference than: > 80 db

S dynamic range: > 90 db

S harmonic distortion: < 0.5%

S. Type: capacitance

S polarity modes: single directivity

S frequency response: 60 hz ~ 16000 hz

S microphone sensitivity: - 47 + / - 3 db @ 1 KHZ

S receiving sensitivity: 50 us (SINAD = 20 db)

S audio output: independent 0 ~ + 400 mv mixed 0 ~ + 300 mv

S temperature range: - 10 ℃ ~ 55 ℃