The Savox HC-2 Helmet-COM bone conductive headset, compatible with Savox C-C440 push-to-talk (PTT) units and Savox C-C550 remote speaker microphones, enhances communication for fire and rescue teams operating in noisy environments. Designed to seamlessly integrate with full-protection fire helmets, it can also be used alongside breathing apparatus mask units. The Savox HC-2 Helmet COM headset is a dual-speaker version of the Savox HC-1 model.