Details Gold-plated, threaded, and locking, 3-conductor quarter-inch phone plug connector Fitted windscreen is included Uni-directional electret condenser mic Side and rear rejection of greater than 6 dB between 100 Hz and 10 kHz Available in two sizes: 9 inches and 18 inches Compatible with Encore, i-Series and ICS stations Item Code GM-9 GM-18 Technical Specifications