UX3500 series as multi-channel infra-red automatic matching frequency conference microphone, it adopted the UHF frequency PLL phase locking technology of little noise interference .It adopted microcomputer CPU control. Full metal material standard case, metal panel respectively allocated each channel receiver, with 3.5 inch LCD display screen ,it adopted electronic type press to control the panel operation. The host is respectively provided each channel balance audio output socket ,and mixing unbalance output, it suitable for every kind of connection demand completely. High-fi membrane pickup, good sound reduction, it's the first choice of high Level conference engineering installment using.