The Sena SF Series communication system was designed to give riders the exact features they need for an ideal riding scenario. The SF1 allows for 1 Bluetooth connection to a smartphone, MP3 player or GPS while both the SF2 and SF4 offer intercom functionality. All SF models include brand new capabilities such as audio overlay, quick charging and microphone mute option features. The SF Series boast a a sleek and low profile design that will fit on almost any helmet.
Whether you’re commuting or primarily ride solo, the SF1 has you covered. The SF1 was created to give solo riders all of the Bluetooth features that they need, without the ones they don’t. The SF1 pairs to riders’ phones, allowing for music streaming, taking and making phone calls and hearing turn-by-turn GPS directions. The SF1 also allows VOX Phone commands.
For riders looking to communicate with their passenger, the SF2 provides simple rider to passenger two-way intercom communication up to 800 meters in open terrain.
For those who ride in small groups, the SF4 is equipped with four-way intercom over 1.2 kilometers. Both models let riders enjoy smartphone connectivity. Riders can listen to music and use the intercom simultaneously using the audio overlay feature that works best with Android devices.
Link: Sena