Amazon.com: Sennheiser Consumer Audio HD 560 S Over-The-Ear Audiophile Headphones - Neutral Frequency Response, E.A.R. Technology for Wide Sound Field, Open-Back Earcups, Detachable Cable, (Black) (HD 560S) : Electronics
Amazon.com: Sennheiser Consumer Audio CX Plus True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls with Active Noise Cancellation, Customizable Touch Controls, IPX4 and 24-hour Battery Life
Amazon has the 'superior' Sennheiser Momentum True Wireless 3 buds on sale at a record low price - PhoneArena
Sennheiser CX 2.00i Wired Earbud Headphones Black CX 2.00I BLACK - Best Buy
The Sennheiser HD 6XX Headphones are back on sale at their lowest price yet
Sennheiser's IE 300 wired earbuds deliver great audio at a heavy price | Mashable
Sennheiser Professional Hd 280 Pro Over-ear Monitoring Headphones : Target