Sennheiser EW-D AB Antenna Booster for EW-D Wireless Systems Frequency Band:S: 606 to 694 MHz 2 DX ports are provided

2 DX ports are provided for connection to up to 4 DX Expanders for further I/O expansion

The included shock-mount virtually eliminates vibration and handling noise

The 10" bass-reflex subwoofer houses the Class D power amplifier and includes a limiter

Overall Length: 25

Sennheiser EW-D AB Antenna Booster for EW-D Wireless Systems Frequency Band:S: 606 to 694 MHz 2 DX ports are providedThe Sennheiser EW D AB is an Antenna Booster for EW D Wireless Systems. Versatile and feature rich digital wireless system for those who sing, speak or play instruments that allows for seamless product pairing and management via the EW D Smart Assist App. Receive state of the art live sound. Lithium Ion battery pack (sold separately) delivers up to 12 hours of operation (up to 8 hours of operation with 2x provided AA batteries). Raising the Bar