The clamping force is perfect. It's pricey though (that's just a general complaint about aviation headsets), but i can see this lasting through a good portion of my future aviation career.

The music quality isn't super stellar, but when you're flying an airplane, it isn't really a primary concern. Flew with the bose a20 for nearly 3 years and 1200+ hrs.

Zulu and sierra headsets. Bose a20 is noticeably better in anr and sound quality. Prefer it over my bose.

Headset has a very heavy awkward designed headband that sticks out off your head. If you want a headache from clamping pressure buy this headset. Initially there's an incredibly painful screeching while trying to seat the headset.

Sierras by comparison are very poor quality. Their products cost about the same as the equivalent david clark product. Had to pay for postage to send back to lightspeed for repair. After two months stop working trying to contact lightspeed because my ...  Read More

Passive noise reduction almost non existent. It’s extremely disappointing to be required to leave the headset plugged in, in order to take phone calls as a passenger. Speakers work well but microphone- no.