Sennheiser SI 406

Sennheiser SI 406

The SI 406 (also written SI406) is an infrared stereo transmitter manufactured by the Sennheiser Corporation. Here are some of its features and specifications.

  • Frequency Response: 40 Hz to 15000 Hz
  • Carrier frequency: 95 kHz
  • Dimensions 200 mm × 80 mm × 17 mm