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

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 %