Description
The Sennheiser AC 41-US 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.
Product Specification:
Frequency range: 470 - 608 MHz
470 - 870 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 %
Financing Options
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Get the gear you need now and pay over time. Perfect for working DJs, artists, and sound pros who need pro-grade speakers, lighting, and cases to stay competitive.
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Military & First Responder Discounts
We're proud to support those who serve. Active-duty military, veterans, and first responders qualify for a special discount on your gear. See our Military Discount details here and how to redeem.


