Sell Conference System And Wireless Microphone (China (Mainland))

Product name: Conference microphone system item no. Dv-9900cm&dv-9900de Specifications Base station *hight definition. *priontly function *with scream control. *delegate limited. *first in first out function. *suitable for all kind of conference. *with red light ring on the microphone. *can use with dv-9900cm or dv-9900de:100 Can use with dv-9900cs or dv-9900ds:60 Chairman station 1. Frequency response:100 - 16000hz. 2. Sensitivity: - 44 +/- 2db(speech)referenced distance:20-120cm. 3. With a priority button. 4. Voice activation on/off. 5. With 1w/8omega loudspeaker inside/volume adjust/headphone jack. 6. Tie-clip microphone for choose by the speechmaker. 7. With tie-clip wireless microphone for choose. 8. The loudspeaker and left and right speaker will automute when you turn on or off the microphone. The ringed indicator and the indicator of the this microphone will light at the same time. 9. Can listen with the earphone. Delegate station 1. Frequency response:100 - 16000hz. 2. Sensitivity: - 44 +/- 2db(speech)referenced distance:20-120cm. 3. Voice activation on/off. 4. With 1w/8omega loudspeaker inside/volume adjust/headphone jack. 5. The loudspeaker and left and right speaker will automute when you turn on or off the microphone. The ringed indicator and the indicator of the this microphone will light at the same time.