Sennheiser HD 400S Closed Back, Around Ear Headphone with One-Button Smart Remote on Detachable Cable
SENNHEISER HD 660S2 - Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black
Sennheiser x Adidas Originals HD 25-1-II Wired DJ Headphones (504260) w/ Box | eBay
EPOS Sennheiser IMPACT SCGD5 USB ML Black Headset Headphones 840064403542 | eBay
Sennheiser RS 120-W On-Ear Wireless Headphones for Crystal-Clear TV Listening with 3 Sound Modes, Lightweight Design, Easy Volume Control, 60 m Range and Convenient Transmitter/Charger Combo - Black
Sennheiser HD 239 Headphones Black
Sennheiser HD 4.50 BTNC Bluetooth Wireless Headphones with Active Noise Cancellation, Black and Silver (Discontinued by Manufacturer)
Amazon.com: Sennheiser MB Pro 1 UC ML (506043) - Single-Sided, Dual-Connectivity, Wireless Bluetooth Headset | For Desk/Mobile Phone & Softphone/PC Connection| w/ HD Sound & Skype for Business Certified (Black)