This heavy-duty P-Series 8-pin lower-section hook-up cord with in-line volume control, can be used with all J&M® headset #s HS-ICD284, HS-BCD279, HS-ICD279, HS-BCD277, HS-ICD277, HS-BCD257, HS-BCD174, HS- ICD174 and #HS-CD9174 series helmet headsets, for connection to 1980-2013 Honda® and J&M® 5-pin audio systems.