Sennheiser AC 41-EU Active Antenna Combiner

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

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.