Amazon currently ships Sennheiser HD1 Wireless Active Noise Canceling Headphones for $198.96. After dropping out of $399, today’s offer saves you 50% and is an all-time low. The bloated $400 list price is still charged by Sennheiser directly. The HD1 headphones pair real leather with stainless steel in the usual stylish design for which Sennheiser is known. Active noise cancelation steals the show and blocks background noise so you can concentrate from home while working. Battery life clocks at 22 hours ensure that you can use several days before recharging. The 3.9/5 star rating was over 300 customers.
Closed-back, an around-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
Sensitivity as per 121 TR 9-5:- 44 dB V/Pa, impedance: 18 Ω. 22-hour battery life with both Bluetooth and Noise Gard activated to insure performance during long commutes or plane flights;; Ear coupling: Circumaural; Charging time: Approx. 3 hrs. Supported Profiles : A2DP + AVRCP + HSP + HFP. Impedance : Passive: 28 Ω. Impedance : Active: 480 Ω
The 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
Its especially low profile was optimized for the use on mobile devices. Fitted with jack plugs on both ends, the cable is completely detachable and can be replaced if necessary.
Frequency Response – 16 Hz – 22000 Hz, Impedance – passive: 28 ohm, active: 480 ohm
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