The SI 30 is a small to medium area master transmitter that can be switched from 2.3 MHz to 2.8 MHz or used simultaneously for two channel/stereo operation.
New, higher subcarrier frequencies to avoid interference
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 inch or 1/4 inch plug