YAM H52AMG Headset Microphone is an omnidirectional condenser headworn vocal microphone, designed for applications where unconspicuous appearance and incredible sound quality are required. It' s lightweight, modular connector, and soft earpieces provide a comfortable fit. While still allowing the YAM H52AMG Headset Microphone was positioned as close to the left corner of the mouth as possible, assuring maximum voice pickup. For The YAM H52AMG Headset Microphone Earset also could use on shure, sennheiser, Audio-Technica and AKG Wireless Mics Model No: HS52AMG Element: Back Electret Condenser Polar Pattern: Omni-Directional Frequency Response; 20HZ to 20KHZ Sensitivity: -45db3db Output Impedance: 2k30% Max.luput SPL: 135db Power Supply: 1.5-10V DC CABLE Length: 1.2M Dimension: 3.5mm/ 5mm Color: Skin or Black Accessories: Windscreen Microphone weight: 22g