The SZI 30 from Sennheiser is a DC-powered IR emitter designed to be slaved to an SI 20 transmitter to increase the effective coverage area of the SI 20. Up to three SZI 30 units can be added to an SI 20.
- Compact radiator for the carrier frequencies 2.3 MHz and 2.8 MHz
- Easy installation and precise alignment
- Sennheiser SZI 30 Emitter Panel
- Dimensions: 5 × 2 × 6 in
- Weight: 1 lbs