SENNHEISER Active Antenna Combiner for up to 4x IEM Transmitters, c/w NT 3-1 Power Supply

AC 41

SENNHEISER

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Active antenna combiner for evolution wireless G4 systems. The AC 41 operates up to four wireless stereo transmitters from the ew series using one shared antenna. Power is supplied to the SR IEM G4 transmitters over the BNC cables via NT 3-1 power supply (included with the AC 41), making separate power supplies for the transmitters obsolete.

  • Up to 4 wireless stereo transmitters using one antenna

  • Power supply via BNC cables ensures efficient powering, no need for additional power supply units for the SR IEM G4

  • Compatible with G4 and G3 systems

What's in the Box
  • 1x Active antenna splitter (470-870 MHz EU & UK / 470 - 608 MHz US)
  • 1x NT 3-1 power supply with either EU, UK, US adapters
  • 4x BNC interconnect cables


  • Frequency range
    470 - 870 MHz
    470 - 608 MHz
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  • Impedance
    50 Ω
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  • Dimensions
    approx. 212 x 168 x 43 mm
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  • Weight
    approx. 1470 g
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  • Power consumption
    max. 3.4 A (with connected transmitters)
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  • Storage temperature
    -20 °C to +70 °C (-4 °F to 158 °F)
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  • Operating temperature
    -10 °C to +55 °C (14 °F to 131 °F)
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  • Power supply
    13.8 V DC (with tabletop power supply unit NT 3-1)
    11.4 V DC (protected against reverse supply), 350 mA
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  • RF input
    max. 30 mW per input
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  • Transmission loss
    0 dB (±1 dB)
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  • Operating relative humidity
    5 to 95 %