A note about the noise isolation. I cant hear $#!% at anything over 50 mph because of wind noise. If I'm not wearing earbuds, I'm wearing -35Db ear plugs. Ive been around sirens without hearing protection, with ear plugs and ear buds. I cant hear them much either way. I would rather have something keeping the 115+ Db noise from the wind down to a safe level than try to hear something that I cant really hear anyway. Just my $ .02
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