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The Syphon SoundPro is the world's thinnest, most comfortable helmet sound system. Backed by a 1-year warranty and a 30-day "no questions asked" return policy.
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916 ratings
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Really like the convenience of the set up, easy switch to other helmets and the controller is great. However, even with the added pads for low end, the bass could be better. Also, it should have a microphone closer to my mouth. Can’t really make clear calls.
Dave · Yesterday
I LOVE this so much. I have a 509 winter/summer helmet that has the perfect sized indents to fit the ear speakers and it’s been a game changer especially since they are waterproof
Alexis · October 17, 2026
Great product!
Needed something for sound on the cooler weather days when I wear my full face helmet. Ear buds are just plain difficult, and Syphon was the answer.
Speakers fit the preformed pockets in my LS2 Advant perfectly.
If I had a negative comment at all, it would be that base could be better. Otherwise, I can play my tunes while riding all day!
