The original (2009-2013) and new HD v2 / HD GP all have an internal microphone for great racing sound, but it does limit your sound options. This special cable has a 3.5mm mono jack for an external microphone. The input from this jack automatically mixes with the sound from the internal microphone. Measures 4M (13 feet) long. Microphone not included.
Sold individually.
Typical uses:
Original (2009-13, with the viewing screen on top) Exp port to dash/logger or Bridge
HD “Rev 2” or later (2015+) Exp port to dash/logger or Bridge
HD GP “Rev 2.1” or earlier (to 2018) Exp port to dash/logger or Bridge
Not compatible:
HD (version 1)
HD GP 2.2