Delegate Microphone for Professional digital conference room

      Product Description       Professional digital condenser meeting microphone   Overview   D4302/3 chairman/ delegate unit, built-in  hifi loudspeaker and earphone connector, are perfect for digital conference room. Easy to install with daisy chain mode. High quality with DSP processor.   Features:   1.Chairman unit can override/mute all the active delegate units.   2.Chairman can approve or reject delegates who request to speak 3.High stability with 2 meter 8-pin cable, reducing interference from electromagnetiv waves. 4.Chairman unit located in any place with other discussion unit. 5.Loudspeaker automatically mute when the microphone turns on to avoid sound reinfusion. 6. The power of delegate unit and chairman unit are supplied by the central control unit with 
7. 24V safty voltage.  8.Daisy chain cable model is easy to install and maintain.  9.Built-in speaker and earphone connector  10.Built-in DSP processor for acoustic feedback prevention  11.Highly directional microphone with indicator light.   Parameter:    

Power supply	DC24V(controller)	Crosstalk attenuation	>80dB
connector	DIN8P	Distortion	<0.10%
Power consumption	3W	Frequency response	60-8KHz
Speaker power	2W	Max SPL	105dB
Earphone output	9dBu,8-32Ω,3.5 mm	sensitivity	-22dBv/Pa
S/N	>80dB	Equivalent noise	20dBSPL
Size	L127XW146XH6mm	color	grey

        Our Services   1. Why work with us?     1). Rich experience of working with foreign customers.     2). All product we providing are the best quality, comply with CE, FCC and RoHS     3). Rapid and timely service, 24 hours available.     4). 3 year guarantee for all our product.     5). World-leading tech, strong technical support team.     6). A company with CE/RoHS   2. How to order? It is very easy to order if you can determine which product and quantity you need. But if you can't sure which product can best suitable for your needs, our sales will give you best recommend.