Sennheiser SZI30
Infrared Emitter, Small Area


Our Price: $329.95
List Price: $419.00
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The SZI 30 is a small area emitter which can be fed modulated signals from an SI 30 or any other wideband modulator. It has no charging compartments, the LED on the right of the front panel serves as a power indicator instead, showing that a supply voltage is present. At the back of the SZI 30 you have—besides the DC input connector—two RF sockets. If no plug is connected to the output socket, a 50 ? terminating impedance is switched into the RF connection.
NOTE: Power supply is not included. Please order as required.


  • Works with any modulator
  • Easy to install
  • Master system can be used independently for up to 750 sq. ft. of coverage
  • SZI 30 slave emitters offer increased coverage
  • Connects to line level audio source via 1/8" or 1/4" plug unbalanced
  • 1-year warranty


  • Modulation: –
  • Nominal deviation: ± 50 kHz
  • Carrier frequencies: max. 6 MHz
  • AF input: –
  • AF input voltage for nominal deviation: –
  • AF frequency response: depends on modulator
  • THD (1 kHz, nom. dev.): = 1 %
  • AF signal-to-noise ratio: = 60 dB(A) rms
  • RF input–RF output: 1/8" mono jack with a 50 ? term. impedance
  • Output impedance: approx. 20 k ? or 50 ?
  • IR diodes: 11
  • Max. coverage area approx.: 750 sq. ft., single-ch./ 375 sq.ft. in two channels
  • Radiating power approx.: 0.5 W
  • Operating voltage: 24–27 V DC via 2-pin Texas socket
  • Current consumption: approx. 150 mA
  • Dimensions in mm: approx. 4.64 x .98 x 3.54
  • Weight: approx. 4.76 oz

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