Clear-Com FSII-BP19-O2 FreeSpeak II 1.9GHz Wireless Beltpack Wireless Systems 38 Hz – 155 Hz

38 Hz – 155 Hz frequency range

The SM81 also enjoys low self-noise from handling and mechanical sources

Built with Point Source Audio's robust "Unbreakable Boom" bendable to 360°

the Shure AD2/KSM8 Handheld Transmitter is a wireless microphone transmitter that equips you with professional-caliber audio and enhanced RF performance—no matter what your application

Clear-Com FSII-BP19-O2 FreeSpeak II 1.9GHz Wireless Beltpack Wireless Systems 38 Hz – 155 HzThe FSII O2 1. 9 GHz beltpack is specifically designed to work in Hyperbaric chambers safely, operating at atmospheric pressures of 5. 1 atm, 517 kPa, or 75 psi with a change of + 26 psi per minute without damage.