Clear-Com FreeSpeak II Digital Wireless Belt Pack 100211125 System Sensitivity (1W @ 1m):

System Sensitivity (1W @ 1m): 98 dB SPL

and external return

each with up to 32 factory-preset channels

Rack space units total: 10

Clear-Com FreeSpeak II Digital Wireless Belt Pack 100211125 System Sensitivity (1W @ 1m):Clear Com FreeSpeak II Digital Wireless Belt Pack Durable ConstructionIP 53 rated for wet weather or dusty conditions making them ideal for outdoor productions. For better grip and protection, the beltpack has a rubberized overmold to protect from the most rugged environments. Superior Intelligibility and ComfortFeaturing the "Clear Com Sound", the digital beltpack operates in the 200Hz 7. 5kHz audio band high audio quality and reduction to the strain