This Sennheiser EW-DP ENG SET (R4-9) is a portable digital UHF wireless microphone system. It's great for filmmakers, content creators, and broadcasters. With an ME 2 omnidirectional lavalier and SKP plug-on transmitter, it offers flexibility. The system features an all-new portable design. The compact digital receiver provides an intuitive user experience. Bluetooth synchronization and system control via the Smart Assist app are available. A front facing OLED display allows for easy menu navigation. It has magnetic and stackable mounting configurations. Multiple powering options are ready for long days on location. Dimensions: Height (mm): 96, Length (mm): 316, Weight (g): 1018. Master Carton Height (mm): 246, Master Carton Length (mm): 332, Master Carton Weight (g): 393.558