The Samson Airline 77 Head Worn Wireless Microphone System features the QV10e head worn vocal microphone transmitter, and CR77 true-diversity UHF receiver with 1/4" phone and XLR output connections. The QV10e head worn microphone features a built-in transmitter, wrap-around headband and unidirectional polar pattern.
 Up to 14 hours of continuous operation is achieved on just a single AAA battery. The CR77 true-diversity receiver is the heart of the Airline 77 series and features PLL synthesized tuning, true diversity reception, dual antennas, XLR and 1/4" phone output connectors, RF level LED meters, and a large output volume control dial.
 Features
 - XLR and unbalanced 1/4-inch outputs with mic/line level output switch
 - Headset transmitter features power/battery LED, power switch and mute switch
 - Headset condenser mic is sweat resistant and employs unidirectional cardioid pickup pattern for great sound
 - True diversity UHF wireless headset system with PLL frequency control
 - CR77 receiver features multi-segment audio level and RF level LED meters Squelch and volume control
 - AC adapter and 1/4-inch to 1/4-inch cable included
 
Specifications
 - Frequency Range: Frequency N1- 642.375 MHz