Multichannel infrared automatic frequency for wireless meeting microphone, with less noise interference of UHF frequency band PLL phase locking technology. CPU control by microcomputer. All metal material standard chassis, metal panel configuration per channel receiver respectively, with a 3.5 -inch LCD display screen, using electronic operation button control panel. Host respectively provide balanced audio output socket, every road and mixed unbalanced output, comprehensive to meet the needs of all kinds of connections. High-fidelity membrane cartridge, make good noise reduction, engineering installation used for senior meeting the first choice.

Receiver parameters:

↘ oscillation mode: phase-locked loop frequency synthesis

↘ frequency range: UHF 500 MHZ to 900 MHZ

↘ frequency stability: plus or minus 0.001% UHF 500 MHZ to 900 MHZ

↘ maximum frequency deviation: plus or minus 50 KHZ

↘ modulation mode: FM

↘ signal-to-noise ratio: > 105 db

↘ distortion: < 0.5% @ 1 KHZ

↘ sensitivity: 1.2 / UV @ S/N = 12 db

↘ power supply: DC 12 v ~ 17 v

↘ audio output: independent 0 ~ 400 mv mixed 0 ~ 400 mv

The emitter parameters:

↘ power supply: DC 6 V (1.5 V AA * 3)

↘ microphone power consumption: 100 ma

↘ carrier frequency: UHF 500 MHZ to 900 MHZ

↘ signal-to-noise ratio: > 105 db

↘ adjacent frequency interference than: > 80 db

↘ dynamic range: 100 db or higher

↘ types: capacitance

↘ polarity modes: single directivity

↘ frequency response: 40 hz ~ 20 KHZ

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