The CC-15 is a lightweight over-the-ear headset with electret microphone and XLR (F) 4 connection for use with beltpacks and panels. Electret microphones offer more gain over dynamic microphones, for situations where increased level is important. These headsets feature leatherette ear pads designed for comfort of use in both single and dual-ear options.Main Features:Electret MicrophoneAvailable in single-ear and dual-ear headsetsDirectional Cardiod Microphone4-pin models Jack for Clear-Com4-pin mini-DIN models for DX wirelessSpecifications:Single Ear Headset EnclosedEar Phone LeatheretteEar Pads Electret MicrophoneMicrophone Unit:Impedance: 2.2k Ohm +30%Sensitivity: -51dB, +3dB (0dB – 1V/Pa, 1kHz)Speaker Unit:Impedance: 40 Ohms +15% (1kHz)Max Power: 100mW (2.0V RMS)Frequency Range: 20Hz – 20kHz (-15dB/1kHz)Output SPL: 106dB = +2.0dBInput: 1mW (0.2V RMS)Weight: 6oz (170g) without cable, 8.1oz (230g) with cable