รายละเอียดไมโครโฟนไร้สาย 1. Use UHF technology, give you clearer sound quality, signal stability, no delay, anti-howling, anti-jamming. 2. Working range :UHF up to 160 ft, Bluetooth range is 10 m 3. Operate all function on the handhold microphone 4. Bluetooth 4.2 available, search the Bluetooth "Bietrun 08" in the Bluetooth device list and connect it. 5. 15 sets working together:30 microphones max 6. High quality sound :ECHO, reverberation regulation 10 Levels TREBLE , high pitch adjustment, 8 Levels BASS, Bass adjust, 8 Levels 7. Volume Adjustable:5 levels total 8. High Quality Material:alloy casing, steel meshed microphone head 9. Large LCD Display:power, signal, frequency, channel statues display System parameter : Frequency Range: 520-830 MHz modulation mode: FM Modulation Channel number: 200 ( Infrared frequency ) Frequency Stability: 0.005% Dynamic range: >110dB Max Deviation : 45KHz Audio frequency response: 60 Hz -18KHz ( 3dB ) Integrated signal to noise ratio: > 105dB Total Harmonic Distortion: 0.5% Operating temperature: -10 ~ +150 Receiver : Receiver mode:Double frequency conversion superheterodyne Medium frequency : 110MHz , 10.7MHz Antenna Access:BNC/ 50 Sensitivity: 12dBuV ( 80dB S/N ) Sensitivity adjustment range : 12dBuV Spurious Suppression: 80dB Maximum output electrical level : +10dBV(2.5V)/600 Transmitter : Output power: 10 mW Oscillation Mode : PLL Power supply : (2 No. 5 1.5V alkaline batteries ) Working time : About 8 hours สินค้ารับประกัน 6 เดือน