Samson AirLine AH7 Fitness Headset Microphone Transmitter with Qe Condensor. Frequency K2

AirLine AH7 Fitness Headset Transmitter with Qe For AirLine 77 The AH7 headset transmitter is mounted on a lightweight, adjustable headset that fits comfortably around your ears and the back of your head, even on those days when you're teaching back-to-back classes for hours. The headset also features the Samson Qe condenser microphone, whose sweat-resistant capsule prevents corrosion from prolonged exposure to moisture. In addition, the microphone's bi-directional pickup pattern reduces background noise, minimizes feedback issues, and effectively rejects signals not directly in front of the microphone capsule. Features / Specs Fitness headset with mounted micro transmitter (no beltpack or cable required) Qe condenser microphone element with bidirectional pickup pattern Sweat-resistant mic design for high-energy instructors/performers Up to eight hours of battery life using single AAA battery Power/Low battery LED indicator Internal Power switch Specifications Operating Power Voltage 1.5V Typical, 1.05V Minimum, 2V Maximum Current Consumption 60mA Typical Battery Life 8 Hours (AAA size battery) RF Output Power (5mW) -4dB Minimum, +3dB Maximum THD < 2% (1 kHz deviation 15kHz) Audio Frequency Response 50Hz - 15kHz (?3.5 dB) Controls Internal Power Switch Indicators Power On (LED Flash), Low Battery (LED On)