Sennheiser AB 4-BW - Antenna Amplifier for EW Series
Features:
Gain: +10 dB
BW range: 626 - 698 MHz
Amplifier powered through ASA 1/NT 1-1
The AB 4-BW is an updated version of the AB 3 antenna amplifier. It is designed for a wider range of frequency switching in the G4 Evolution wireless system. The AB 4 is a filtered built-in antenna amplifier module with BNC connectors, providing +12 dB gain to compensate for signal loss caused by long antenna cables. It is fully compatible with the older G3 Evolution wireless systems and supports bandwidth adjustment up to 88 MHz, now offered with the ew 300 G4 and ew 500 G4.