OMP J-Rally helmet is a high quality lightweight open face helmet with a soft, highly breathable fire retardant lining. The helmet comes with a pre-installed intercom kit that has powerful ultra slimline speakers, and with a fully flexible microphone boom that ensures optimum communication between driver and co-driver.Fitted with a anti-dazzle adjustable peak that helps prevent dazzlingCompatible with most popular intercom amplifiers which use male Nexus plugsSupplied with factory fitted FHR / HANS postsThe pre-installed intercom system is fitted with a Female Nexus plug, and is recommended to be used with a ZeroNoise amplifier/intercom. It is also compatible with other amplifiers fitted with male Nexus plugs.FIA 8859-2015 approved