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The Sena SF2 is a Bluetooth 4.1 motorcycle intercom for riders who want helmet audio and two-way talk without a premium price. It pairs two riders up to 800 m apart in open terrain, runs about 13 hours per charge, and recharges in 1.5 hours. The 38 mm speakers and 183 mm boom mic fit most full-face and open-face helmets. Against Sena's higher lines it lacks mesh, multi-rider conferencing and FM radio, so it suits solo riders and pairs, not group rides.
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Lowest price we've seen: $191.40 on Nov 10 at Sena Technologies. Tracked across 3 stores since Nov 10.
Owners rate the SF2 well overall, calling it an easy, reliable entry into helmet comms. Most praise the battery life and clear intercom for two riders; the common complaints are limited range in real conditions and the lack of group or mesh features.
