Yaesu Original MD-100A8X Dynamic Desk-Top Microphone w/ Active Filtering for Tone Control<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Frequency Reponse: 100 to 5，000Hz </span></li><li><span class="a-list-item"> Polar Pattern: cardioid </span></li><li><span class="a-list-item"> Sensitivity: -75 dB (0 dB=1 V/0.1 Pascal) </span></li><li><span class="a-list-item"> Impedance: 500 ohms unbalanced - Net Weight: 670 grams (without cable) </span></li><li><span class="a-list-item"> Compatible: FT-450， FT-450D， FT-840， FT-847， FT-857/D， FT-890， FT-897/D， FT-950， FT-990， FT-1000， FT-1000MPV and FT2000 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41-qfs9UzNL.jpg" noproxy>