16 CHANNEL WIRELESS PA SYSTEM
       UDC  WPA-01  Applications are for classroom presentation,  meeting presentation and other public address system ......etc.with multi-channel ( 16 channels ) selection to avoid  interference  between classrooms & meeting rooms.
      Built-in PLL circuit for stable frequency reception.


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Features :

  • 16 Adjustable channel output to avoid interference
  • PLL frequency automatic control
  • Built-in rechargeable battery for about 10 hours operation
  • Automatic recharge battery control with DC jack input ( AC-DC adaptor charger included )
  • Current saving standby mode for CPU during power off
  • Trasmitter output level control & power on indicator
  • Receiver with volume control , line in jack , additinal speaker output jack & power on indicator

Specifications :

Trasmitter
Modulation FM
Current Consumption 25 mA
AF output Power 1 dBm
Max. Modulation ± 50 KHz
S/N Ratio 45 dB
Frequency Response ( ± 3 db ) 100 Hz ~ 15 KHz
Power supply ( Built-in Rechargeble Battery ) 3.6 V
AC-DC Adaptor for Battery  Charger 8 V  150 mA
Microphone Condenser
Carrier Frequency Range 130 ~ 137.5 MHz
Dimensions 80 x 58 x 18 mm
Weight 20 gm

Receiver
RF Receive Sensitivity 20 µV
S/N Ratio 48 dB
Output Audio Power 5 W  r.m.s.
Total Harmonic Distortion 5 %
Frequency Response ( ± 3 db ) 100 Hz ~ 15 KHz
Power Supply AC 220V / 50 Hz or Specified
Operating Distance 30 M
Dimensions 300 x 260 x 80 mm
Weight 2.25 Kg  ( For one speaker )

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