Sennheiser's new Orpheus headphones cost $55,000 | Engadget
Amazon.com: Sennheiser Professional ME 2 Small Omni-directional Lavalier Microphone For Use With Wireless SK Bodypack Transmitters : Musical Instruments
Geekria Shield Headphones Case Compatible with Sennheiser MOMENTUM 3 Wireless, HD 350BT, HD 450BT, PXC 550 II Case, Replacement Hard Shell Travel Carrying Bag with Cable Storage (Dark Grey) - Walmart.com
SENNHEISER HE 1 “REVIEW” | The Headphoneer
Sennheiser Orpheus hands-on review | What Hi-Fi?
The world's most expensive headphones might make you consider a mortgage - CNET