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 â–º A premium double-sided wired headset optimized for narrowband desk phone users in busy contact centers and offices, who requires outstanding sound performance in noisy environments.
 â–º Sennheiser’s ultra noise-cancelling microphone, has been improved to optimize speech transmission and intelligibility in busy contact center and office environments by reducing unwanted background noise.
 â–º Century™ is designed for long-hours use throughout a working day – and that means everything focuses on wearing comfort: from the large leatherette ear-pads to the unibody headband construction for maximum strength at stress points to ensure a truly comfortable communications experience.
 â–º Sennheiser’s Easy Disconnect plugs are ideal for contact centers and hot desking offices, where users frequently change shifts or switch between workstations.
 â–º With their simple, quick release mechanism, durable Easy Disconnect plugs are designed to withstand the repetitive plugging and unplugging of shift changes.
Wearing style : Headband
Color : black
Impedance : ~200 Ω
Connector : Easy Disconnect
Frequency response (microphone) : 150 - 6800 Hz
Frequency response (headphones) : 50 - 12,000 Hz
Microphone : Ultra Noise Cancelling
Sound pressure level (SPL) : 110 dB limited by ActiveGard®
Cable length : 1 m 
Weight : 111 g
Speaker type : Neodymium Magnet Speaker