Headphones Sennheiser HD 4.50 BTNC Wireless feature active noise cancellation
The company Sennheiser has announced the sale of wireless headphones Sennheiser HD 4.50 BTNC Wireless. These headphones are targeted at music lovers, equipped with active noise reduction NoiseGard.
To connect to the source interface Bluetooth 4.1. Headphones support the aptX codec Qualcomm. They use dynamic transducers. Frequency response is specified equal 18-22000 Hz, impedance 18 Ohms. Sound pressure level is 113 dB (at 1 kHz, passive mode), and harmonic distortion does not exceed 0.5% (1 kHz at sound pressure levels of 100 dB). According to the calculations of the manufacturer, enabled NoiseGard battery life lasts up to 19 hours by Disabling the noise cancelling, you can increase the stock of autonomy up to 25 h, Foldable design simplifies storage and transport.
The price of Sennheiser HD 4.50 BTNC Wireless is approximately $200. Date of commencement of sales of the manufacturer defines as «soon».
At the same time the model Sennheiser HD 4.40 BT Wireless for $150 that do not feature active noise reduction NoiseGard.