Product information Comfortable, light and safe. One-way pick up pattern. Smooth frequency response. No proximity effect. High quality steel headband ensures durability, mini gooseneck to the best position. Carrying bag included. Detachable screw-on cable. Available in skin color, (Beige). Includes three cables with three different connectors, compatible with the most important microphone brands such as Shure Mipro, AKG, Sennheiser, etc. 3-Pin Mini XLR (801C3) 4-Pin Mini XLR (801C4) Mini Plug 3.5mm (801CS) Description of the headset microphone Cable transmission method Omnidirectional polar pattern. Electret system Audio frequency range 60-15,000 Hz Nominal impedance 2.2 kΩ Sensitivity 10 mV / Pa Max. sound pressure 130 dB Power Supply for IN/PT/UF or PS-500 Series Pocket Transmitters Admis. Ambient temperature. 0-40°C Weight 40 g Cable connection with 4-pole mini XLR (optional 3.5 mm stereo connector, 3-pole Mini XLR or 4-pole Hirose connector) Packaging dimensions (W x H x L) 0.145 x 0.1 x 0.185 m Gross weight 0.184 kilograms Net weight 0.046 kilograms CM-214 kit consists of one headset microphone CM-214iF and one phantom power adapter MA-500.