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Sennheiser And iFlightPlanner.com Launch iPad App | Business Aviation News: Aviation International News
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Sennheiser S1 | The Sennheiser S1 PASSIVE headphones might be affordable, but they're topnotch in many areas and sur… | Pilots aviation, Aviation headsets, Headsets
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BMW Group DesignworksUSA designs Sennheiser's S1 Digital pilot's headset for best sound in the cockpit.
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