Sena SF4 Intercom

The Sena SF4 is the perfect unit for a small group of up to four friends!SF4's 4-way intercom has a range of up to 1.2 kilometers with free visibility, so you can easily stay in touch with your group without interruptions. SF4 also has a smartphone connection which allows you to stream music, receive and make phone calls and hear GPS directions. Most importantly, you can listen to music and use the intercom simultaneously with the Audio Overlay ™ feature. The unit also has quick charge so you can be ready to start your ride in no time!When you buy your SF4 you get two sets of speakers, one standard set and one with high quality HD sound. The HD speakers take your ride to the next level with higher, clearer and better sound quality. The standard speakers are a bit smaller in size and may be a more convenient choice for some helmets. You also get two microphones, one for open or modular helmets and one for integral helmets. SF4 is sold as a standard package with a headset or as a package