Sennheiser SZI1015T Infrared Emitter Panel

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  • Sennheiser SZI1015T Infrared Emitter Panel
  • Sennheiser SZI1015T Infrared Emitter Panel


The SZI 1015-T is a 2-Watt infra-red radiator with integral modulator. The wideband modulator uses the new extremely reliable carrier frequency of 2.3 MHz. The radiator/modulator is automatically switched on and off by the AF signal. Via an RF output, the modulated signal can be fed to further radiators. The SZI 1015-T has a coverage area of approx. 400 m². Its independent diode groups ensure extremely reliable transmission.


  • 2-Watt radiator for the carrier frequencies 2.3 MHz
  • Maximum coverage area of 400 m2, automatic on/off function and RF output socket for daisy-chaining the signal to additional radiators
  • Wide range of mounting accessories
  • DC loop-through and daisy chaining capability
  • Easy to install and to use

What's in the box?

  • 1 SZI 1015-T radiator
  • 1 NT 1015-120 power supply
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IR diodes 72
Average radiating power 2 W
Max. coverage area 400 m2
Carrier frequency range 30 kHz – 6 MHz
RF input 50 mV – 3 V, approx. 5 kΩ
Inputs/outputs BNC sockets/barrier strip
Threshold voltage for automatic on/off function 50 mV
Operating voltage 25 – 30 V DC(via NT 1015 or SI 1015)
Current consumption– operation 0.7 A at 25 V
Current consumption– stand-by. max. 60 mA
Dimensions 250 x 100 x 80 mm
Weight approx. 1.3 kg

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