ArticleNo/ P/N: MT53N121 3M™ PELTOR™ Electret microphone, LiteCom WSAlart XP MT53N-12 Electret microphone. Used with 3M ™ PELTOR ™ LiteCom ™ WS ™ Headset and WS ™ Alert ™ XP / XPI Headset. J22 connector. 270 mm cable. Price request