GSP 600 from EPOS | Exceptional audio realism, exceptional performance
EPOS I SENNHEISER IMPACT MB 660 UC MS - Headset - full size - Bluetooth - wireless - NFC - active noise canceling - Walmart.com
Sennheiser HD 660 S Open-back wired over-ear headphones at Crutchfield
2018 NEW Sennheiser MOMENTUM In-Ear Wireless Headphones, Bluetooth 4.1 with Qualcomm Apt-X and AAC, NFC one touch pairing, 10 hour battery life, 1.5 hour fast USB charging, multi-connection to 2 devices | Wish
Sennheiser HD 4.50 SE Wireless Noise Cancelling Headphones $129 - Amazon's 12 Days of Deals 2018
Sennheiser HD-820 (CES 2018, impressions in comments) : r/headphones
CES 2018: Sennheiser's $2,400 HD 820 Glass-covered Headphones Claim to Deliver Incredibly Realistic Sound - Videomaker
Sennheiser GSP 600 Gaming Headset Review - IGN
Sennheiser's open-back GSP 500 gaming headset aims for natural sounding audio | PC Gamer