Achieve the ultimate in wireless freedom with Sennheiser's ew 152 G4. Using a combination of a lightweight headset microphone, a compact bodypack transmitter, and a reliable rackmountable receiver, the ew 152 G4 system makes hands-free vocal performance a reality. And it sounds great — you get 1,680 tunable UHF frequencies across a 42MHz bandwidth for interference-free reception. This system is highly expandable — you can link up to twelve receivers for simultaneous setup. And you'll benefit from a 330-foot transmission range and up to eight hours of operation. Beyond that, the ew 152 G4 is backward-compatible with previous evolution systems, ensuring that your past investment continues to pay off into the future.