Sennheiser EW 500 G4-KK205 Wireless Vocal Set Synergy Silver Studio Package while the third one can

while the third one can be switched to deliver an additional eight channels of I/O to/from a USB device

Bi-Directional SMPTE Fiber Link

have been kept as small as possible so as not to be noticeable during use

Balance and Volume Control

More than a 12% to 22% reduction in mass

Sennheiser EW 500 G4-KK205 Wireless Vocal Set Synergy Silver Studio Package while the third one canSennheiser EW 500 G4 KK205 Wireless Vocal Set Key Features True diversity half rack receiver in a full metal housing with intuitive OLED display for full control Easy and flexible wireless synchronization between transmitter and receiver via infrared Up to 32 compatible channels Up to 88 MHz bandwidth with 3520 selectable frequencies, fully tunable in a stable UHF range Ethernet connection for Wireless Systems Manager (WSM) control software for