iMC Motorcom HS-H130P Open-Face Helmet Headset for 7 Pin Harley Davidson Audio Systems Directional noise canceling boom microphone reduces ambient noise for crisp communication No helmet modifications required for installation, boom microphone works well with all types of helmet Flat panel speakers with metal casings provide great range of sound for music and loud, clear audio for intercom Superior quality; the product is backed by a two year warranty Compatible with all 7 Pin Harley audio systems after 1998 model year