![background image](http://html1.mh-extra.com/html/sennheiser/si-120r/si-120r_product-sheet_1242591001.webp)
Features—Benefits
• Feeds DC power to eight SZI 30-R slave emitters for expanded coverage
• Switchable mono (Channel 1 or channel 2) or stereo operation, 95/250 kHz
• Up to 750 sq. ft. coverage using a single SZI-30R slave emitter
• Compatible with the SET100 personal listening system
• Two BNC connectors allow for expanded coverage using SZI 1029 emitters
• 1-year warranty
• Easy installation—no need to supply local power to each slave
• Flexible operation for compatibility
• Wide coverage means greater efficiency
• Wide installed base of SET 100’s ensure a ready audience
• No need for adapters. Just plug and go
• Internal power supply (SI 20-R)
Technical Data
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Coverage area (mono/stereo)
750/375 sq. ft.
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Product Variants
IR package to cover 1500/750 sq. ft.
in single/ two channel mode
SI 20-1500
IR package to cover 2250/1125 sq. ft.
in single/ two channel mode
SI 20-2250
IR package to cover 3000/1500 sq. ft.
in single/ two channel mode
SI 20-3000
SI 20-R/SZI 30R Two Channel IR Modulator & Remote Emitter
The SI 20-R two-channel, 95/250 kHz, wideband infrared modulator is a single rack-space unit
that can drive up to eight SZI-30R emitter panels for up to 6,000 sq. ft. of coverage. This easy-to-
use, integrated system offers a cost-effective solution for ADA compliance for the hard of
hearing, simultaneous language interpretation, and other assistive listening applications. Each
SZI30-R slave emitter panel floods an area of up to 750 sq. ft. (in mono mode), and can be
remotely powered by the SI20-R. Several SZI-30R emitters can be clustered together at a single
mounting point and aimed individually, using optional clamping accessories.
Front view of SI 30/SZI 30
Back view of SZI 30
SI20R/SZI30R
SI20R/SZI30R
CBinder - Information Systems.indd 43
11/11/08 11:50:13 AM