Today Only: Sennheiser Open Back Headphone For $99.95 And Sennheiser On-Ear Wireless Noise Cancelling Headphones For $249.95 From Amazon

Update: DEAD!

Sennheiser HD 579 Open Back Headphone: $99.95

This was selling for $185.95 yesterday and is now the lowest price ever from Amazon.

• Open back, around ear design.Connectivity Technology: Wired
• Powered by proprietary Sennheiser 38mm, 50-ohm transducers
• Soft, replaceable ear pads for enhanced comfort
• Robust 3m detachable cable with 6.3mm jack and 3.5mm jack adaptor included
• Two year warranty when purchased from an authorized Sennheiser dealer

Sennheiser HD1 On-Ear Wireless Headphones with Active Noise Cancellation: $249.95

This was selling for $353.60 yesterday and is now the lowest price ever from Amazon.

• Closed back, on-ear design featuring Bluetooth 4.0 technology and immediate pairing to smart devices using NFC connectivity for wireless freedom. Connectivity Technology: Wireless
• NoiseGard hybrid active noise cancellation blocks ambient noise using 4 microphones for ultimate isolation to dramatically improve sound quality in noisy environments
• 22 hour battery life with both Bluetooth and Noise Gard activated to insure performance during long commutes or plane flights
• Technology uses 2 built-in microphones working seamlessly to improve voice quality and remove external noise during phone calls
• 2 year global warranty when purchased from an authorized Sennheiser dealer;Charging time : Approx. 1.5 hrs