Sennheiser

collapse expand iconDescription

The Sennheiser is AC 41-US is an innovative antenna combiner that operates up to four in-ear monitor transmitters using a single antenna. Designed for use with Sennheiser's industry-leading ew G4 and G3 wireless systems, the AC 41-US delivers the performance and reliability musicians and audio engineers have come to expect from Sennheiser.

Combine Multiple Transmitters, Simplify Your Setup

The AC 41-US eliminates the need for separate antennas for each transmitter, allowing you to combine up to four units using a single antenna for a simplified setup and clutter-free stage. Musicians and audio techs will appreciate the faster, more efficient connectivity, and the clean, professional appearance.

Power Supplied Over BNC Cables

The included NT 3-1 power supply provides power to the SR IEM G4 transmitters over the BNC cables, making separate power supplies for each transmitter unnecessary. The AC 41-US comes with four BNC cables for connecting your transmitters, allowing you to get up and running right out of the box.

High-Performance, Reliable Audio

Built to Sennheiser's exacting standards for audio quality and reliability, the AC 41-US delivers a clear, uninterrupted signal to your in-ear monitors. Its robust, road-ready design ensures consistent performance from gig to gig so you can focus on your performance without worrying about dropouts or interference.

Compatible, Integrated Solution

The AC 41-US is designed to work seamlessly with Sennheiser's ew G4 and G3 series transmitters and receivers, providing an integrated solution for professional in-ear monitoring applications. For high-quality, reliable wireless audio, Sennheiser is one brand many audio professionals trust.

Sennheiser AC-41 Active Antenna Combiner for Evolution Wireless G4 Systems
Sennheiser AC-41 Active Antenna Combiner for Evolution Wireless G4 Systems

collapse expand iconFeatures

  • Up to four 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

collapse expand iconSpecs

General
  • Frequency Range: 470–870MHz, 470–608MHz
  • Impedance: 50 ohms
Power
  • Power Consumption (Max.): 3.4 A (with connected transmitters)
  • Power Supply: 13.8VDC (with tabletop power supply unit NT 3-1), 11.4VDC (protected against reverse supply), 350 mA
  • RF Input (Max.): 30mW per input
Other
  • Dimensions (Approx.): 8.35" x 6.61" x 1.69"
  • Weight (Approx.): 3.24 lb.
  • Storage Temperature: -4 °F to 158 °F
  • Operating Temperature: 14°F to 131°F
  • Transmission Loss: 0dB (±1dB)
  • Operating Relative Humidity: 5–95%

collapse expand iconWarranty

2 year warranty, including the Evolution wireless. Sennheiser Evolution wired mics have a 10 year warranty.

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