Monoaural wired headset, QD/ED connector. Optimized for high impedance/ narrowband deskphones
Circle™ SC 238 (monoaural) and SC 268 (biaural) are wired headsets optimized for high impedance/narrowband desk phones. Designed for contact center and office professionals requiring outstanding sound performance, durability and all day wearing comfort.
A single-sided wired headset for users in busy contact centers and offices, who require outstanding sound performance while maintaining contact with their surroundings.
Speech intelligibility in noisy environments
Sennheiser Voice Clarity and a noise-cancelling microphone optimize speech intelligibility in noisy environments. Features leatherette ear pads and Sennheiser ActiveGard® acoustic shock protection.
Designed for contact center and office professionals requiring outstanding sound performance, durability and all day wearing comfort.
All day comfort
Designed for all day use, the CircleFlex™ dual-hinge ear cup with soft leatherette ear pads provides long-lasting comfort.
Sennheiser’s Easy Disconnect plugs are ideal for contact centers and hot desking offices, where users frequently change shifts or switch between workstations.
ActiveGard® technology protects users from the potential danger of acoustic shock of unexpected and extremely loud sounds on the line.
Build to last
Its durable construction with lightweight, metal reinforced headband is designed for years of continuous use.
Frequency response (Microphone)
150 Hz – 6,800 Hz
Frequency response (Headphones)
50 Hz – 12,000 Hz
Max. sound pressure level
Limited by ActiveGard®: Max. 110 dB via ED
1 m / 3.3 ft
58 g / 2.05 oz (SC 238) | 89 g / 3.14 oz (SC 268)
Sennheiser ActiveGard® technology protects users from acoustic shock.
201 x 153 x 60 mm / 7.91 x 6.02 x 2.36 in
176 g / 6.2 oz (SC 238) | 205 g / 7.23 oz (SC 268)