For all those people who wish their helmet speakers worked well at speed it is now possible for your helmet speakers to work very well at speed if placed inside Quiet Ride ear noise reduction muffs installed in a motorcycle or snowmobile helmet.
These muffs have a noise reduction rating (NRR) of 18 decibels. For the wearer of helmet it means exterior noise entering your ears will be 65% less with Quiet Ride Ear Muffs installed in helmet. If wearer installs helmet speakers in the Quiet Ride Ear Muffs he or she can expect their helmet speakers to perform 65% better with the elimination of 65% of competing exterior noise interfering with helmet speaker performance.
Click on the YouTube link below to hear remote computer speaker volume set at 96 decibels for 10 seconds with Apex Yamaha revved up engine on jack stand. For next 10 seconds volume is turned down by 18 decibels, as shown by sound level meter in lower left corner, to a 78 decibels average. 18 decibel reduction in sound translates into 65% less noise coming from remote computer speakers. Listen to dramatic sound difference you can expect with Quiet Ride Ear Muffs installed in your helmet.
Watch it on YouTube
The Quiet Ride Ear Muff display model Picture A shown below represent a helmet with air bladders Velcroed to inside of helmet shell, second, Quiet Ride Ear Muffs Velcroed to air bladders, third, air line running from each bladder behind head inside helmet liner to “T” with short line to mini pump. (click pictures to enlarge)