3M(TM) Peltor(TM) ComTac ACH ARC Communication Headset specially designed to fit with the Advance Combat Helmet. Based off the field-proven COMTAC II, this new headset offers improvements such as: Increased Battery Life (500 hrs), New Boom Microphone, tactical key pad, improved audio talk-through, and additional water proofing.
Note: Effective March 5, 2020, this product has been discontinued by the manufacturer 3M corporation and has been replaced by the Comtac V.