Mic wireless Krezt KRU 4810 1 unit resiever digital 4 unit mic jepit + transmitter digital 1 unit kabel audio output Free baterai AA Frequency UHF Frequency bisa diganti-ganti jarak mic bisa pakai sampe 100m suara bagus, jernih dan sensitif micnya, bersih cocok buat pidato, ceramah, pengajian, seminar dll acara GARANSI 1THN RESMI Krezt mprehensive Performance : Carrier frequency : UHF620-950MHz Frequency response : 40Hz-18KHz Frequency stabilization : 30dB Modulation range : 25MHz Total channels : 200 or 400 channels Working distance : 50m Channel spacing : 250KHz Dynamic range : 100dB Maximum deviation : 45KHz AF response : 65Hz-15KHz (3dB) Total harmonic distortion : 0.5% Audio output balance : 0-500mV Receiver : Power supply : AC 220-240V 50/60Hz DC adaptor power : 13-15V, 500mA Power consumption : 7W S/N ratio : 90dB P/N ratio : 80dB F/N ratio : 80dB Receiver sensitivity : 5dBu Transmitter : Frequency oscillation mode : PLL Transmitter power : 10mW RF output : 10mW Bandwidth : 50MHz Frequency interval : 250KHz Maximum deviation : 50Khz High harmonics : 40dB (with carrier) Battery voltage : 2 x 1.5V Battery life : 6-8 hours