![Sennheiser S1 | The Sennheiser S1 PASSIVE headphones might be affordable, but they're topnotch in many areas and sur… | Pilots aviation, Aviation headsets, Headsets Sennheiser S1 | The Sennheiser S1 PASSIVE headphones might be affordable, but they're topnotch in many areas and sur… | Pilots aviation, Aviation headsets, Headsets](https://i.pinimg.com/originals/7c/1e/89/7c1e89c71dcd7a700d7b882ab452f2a7.jpg)
Sennheiser S1 | The Sennheiser S1 PASSIVE headphones might be affordable, but they're topnotch in many areas and sur… | Pilots aviation, Aviation headsets, Headsets
![Sennheiser HMEC 250 - Headset for General Aviation - Pilot Headset - excellent speech transmission - Active noise cancelling, Talk-Through function Sennheiser HMEC 250 - Headset for General Aviation - Pilot Headset - excellent speech transmission - Active noise cancelling, Talk-Through function](https://assets.sennheiser.com/images/789/all/square/3910/square_list_zoom_hmec_250_02_sq_aviation_sennheiser.png)
Sennheiser HMEC 250 - Headset for General Aviation - Pilot Headset - excellent speech transmission - Active noise cancelling, Talk-Through function
![BMW Group DesignworksUSA designs Sennheiser's S1 Digital pilot's headset for best sound in the cockpit. BMW Group DesignworksUSA designs Sennheiser's S1 Digital pilot's headset for best sound in the cockpit.](https://mediapool.bmwgroup.com/cache/P9/201107/P90080577/P90080577-the-s1-digital-control-unit-designed-by-bmw-group-designworksusa-07-2011-600px.jpg)