Sennheiser AC41-US Active Antenna Combiner with DC Power Distribution for IEM Transmitters

Antenna Combiner for In-ear Monitor Transmitters with Power Supply and Cables

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.

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

Specifications:

• Frequency range:
  470 - 870 MHz
  470 - 608 MHz
• Impedance: 50 Ω
• Dimensions: approx. 212 x 168 x 43 mm
• Weight: 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 %

Includes:

• 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