This performance series helmet headset from J&M® has been designed to be installed into most open-face, and can also be used in some of the flip-front style helmets. It features high-output AeroMike® III miniature boom microphone (tuned for use with all factory installed motorcycle audio systems), two enhanced-fidelity DynaPort® helmet speakers in stereo, universal clamp-on mounting system and the upper section (only) of the P-series 8-pin right-angle hook-up cord. Has superior ambient noise canceling and wind blocking ability of the latest version of the high-output AeroMike® III microphone along with the superior audio performance offered by DynaPort helmet speakers. (proper acoustical installation is required). Single.