IMSA-style 4-conductor coil kit. This kit is ideal for communication for drivers in the IMSA series or similar requirements for motorsports.

Each conductor kit is ready to plug and play with your IMSA communication system, and features:

• High quality nexus plug inline 4 channel compatibility
• Noise cancelling boom mic for driver to crew communication
• Female 3.5mm plug for use of stereo earbuds or speakers
• Works well with stereo wired 3.5mm plug and speakers (HAC0M003 by Zamp or similar)

Note: This system does NOT work with the HACM004 or similar, which feature mono audio wiring.