Active antenna combiner for Evolution wireless G4 and G3 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. Package includes: 1 x active antenna splitter, 1 x NT 3-1 power, 4 x BNC interconnect cables. Frequency: 470 - 870 MHz. Impedance: 50 Ohm. Dimensions: 212 x 168 x 43 mm. Weight: 1470 g.