Azden IR-WS Infrared Wireless Wall Mountable Microphone & Ceiling Mounted Speaker System for Classrooms

Priced: $899.95
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Azden IR-WS Infrared Wireless Wall Mountable Microphone & Ceiling Mounted Speaker System for Classrooms -

The Azden IR-WS IR Wireless Wall Mountable Microphone & Ceiling Mounted Speaker System is the best solution for classrooms. In today's RF saturated world a regular (VHF or UHF) microphone system risks interference from a variety of other devices and sources. Cell phones, radios, TV, PA systems, police and emergency service systems, etc., can all interfere with VHF and UHF, but not with IR.
Furthermore, infrared is perfect for classroom audio, since, unlike the other systems, IR is short-range, cannot penetrate walls, and is line-of-sight. This means that a school can have as many classrooms as desired with individual audio systems, without fear of in-terference. Since the Azden system is dual-channel, the teacher can have one micro-phone and a second person can also have a microphone. In addition, since each class-room system is on the same pair of channels, teachers can go from room to room with-out having to switch microphones.

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Audio Output:5W x 4 @ 4 ohms
Battery life:> 8hours w/alkaline batteries
Battery type:2-"AA" Alkaline (1.5V x 2) 2-"AA" rechargeable Ni-MH (1.2V x 2)
Cable requirement:RG59 - 75 ohm coaxial
Ext Mic input impedance:2.2k ohms Ext Mic input jack: 3.5mm
Ext. Mic Voltage/Current:3.5VDC @ 1mA (to power electret mic element)
Frequency Response:50-9kHz ±3dB
IRD-60:Dome sensor
IRH-15c:2-channel handheld transmitter
IRN-10:2-channel chest-worn transmitter
IRR-30P:2-channel receiver w/power amplifier
Line Input impedance:32k ohms ±15%
Line Output adjustment:- infinity to +10dBu
Mic gain adjustment:+6dB to approx. -10dB
Microphone element type:Uni-directional electret x 2
Modulation:FM
Output:F Connector
Power:Powered by receiver (24V @ 15mA)
Power requirement:15V DC @ 2.7A (use model BC-30)
Reception sensitivity:>25dBµV
Signal-to-Noise:>75dB A weighted
Size:3.94" x 1.18" (100x30mm)
Sub-carrier frequencies:2.06MHz & 2.56MHz switchable
Type:Super heterodyne - crystal controlled
Warranty:Azden warranty
Weight:21.00 lbs

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