Sena SF4 Bluetooth Headset Dual GMax GM32S Group (optional outer replacements/colors available)

(optional outer replacements/colors available)

CE level-2 SAFE-TECH shoulder and elbow armor

Injection molded knuckle armor

for maximum concentration on riding

Sena SF4 Bluetooth Headset Dual GMax GM32S Group (optional outer replacements/colors available)Rider to Passenger or Small Group Communication For riders looking to communicate with their passenger, the SF2 provides simple Rider to Passenger 2 way intercom communication up to 800 m (880 yards) in open terrain. For those who ride in small groups, the SF4 is equipped with 4 way intercom over 1. 2 kilometers (0. 8 miles). Both models let riders enjoy smartphone connectivity. Riders can listen to music and use the intercom simultaneously using the