Sennheiser SI 1015

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SennheiserSKU: SI-1015

$649 $809



SI 1015

The SI 1015 wideband modulator uses the new extremely reliable carrier frequencies 2.3 and 2.8 MHz and can be operated in single-channel, two-channel and stereo modes.


The SI 1015 wideband modulator offers single-channel, two-channel and stereo operation in 2.3 / 2.8 MHz. The modulator features two balanced XLR-3 audio inputs, level controls, and IR monitoring diodes. The SZI 1015 and SZI 1029 emitters connect easily via the two BNC outputs or barrier strip.

Please note: NT1015-120 power supply ordered separately.


  • 2-Watt radiator and modulator for the new carrier frequencies 2.3 and 2.8 MHz

  • Maximum coverage area of 400 m²

  • Chaining the signal to additional radiators

  • Modulator for single-channel, two-channel or stereo operation, features monitoring diodes and a separate barrier strip with RF and DC outputs for connecting radiators

  • Wide range of mounting accessories for the radiator, modulator comes complete with rack-mount ears

What's in the box?

  • SI 1015, two rack-mount ears

Technical Data

  • Impedance
    600 Ohm
  • Dimensions
    1/2 19", 1 RU (8.8 x 1.7 x 6.8 in)
  • Audio-XLR connector
    2 x XLR-3 symmetric
    • Weight
      1.76 lbs
    • Peak deviation
      +/- 56 kHz
    • Nominal deviation
      +/- 40 kHz
    • Modulation
    • Carrier frequencies
      2.3 MHz / 2.8 MHz
    • Current consumption
      <140 mA
    • Operating voltage (mains)
      24-30 V DC
    • Input voltage range
      10 mV.....5 V (Line)
    • RF output
      2 x BNC

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