Sennheiser AC 41-US Active Antenna Combiner for IEM Transmitters

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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.

Sennheiser AC 41-US Antenna Combiner Features:

  • 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.

Sennheiser AC 41-US Specifications:
Frequency range
470 - 870 MHz
470 - 608 MHz

50 Ω

approx. 212 x 168 x 43 mm

approx. 1470 g

Power consumption
max. 3.4 A (with connected transmitters)

Storage temperature
-20 °C to +70 °C (-4 °F to 158 °F)

Operating temperature
-10 °C to +55 °C (14 °F to 131 °F)

Power supply
13.8 V DC (with tabletop power supply unit NT 3-1)
11.4 V DC (protected against reverse supply), 350 mA

RF input
max. 30 mW per input

Transmission loss
0 dB (±1 dB)

Operating relative humidity
5 to 95 %

Each AC 41-US Retail Box Includes:
(1) Active antenna splitter (470-870 MHz EU & UK / 470 - 608 MHz US)
(1) NT 3-1 power supply with either EU, UK, US adapters
(4) BNC interconnect cables

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