EPOS Sennheiser Impact SC 660 Stereo Wired Headset, Easy Disconnect, For Deskphones

EPOS Sennheiser Impact SC 660 Stereo Headset, Easy Disconnect, For Deskphones is a premium, wired, double-sided headset with Easy Disconnect optimized for use with desk phones. Designed for contact center and office professionals requiring outstanding sound performance, high-quality durable design and exceptional wearing comfort.

EPOS Impact 600 Series Headsets

EPOS Sennheiser Impact 600 series headsets feature outstanding clear communication. Flawless sound is created by EPOS Voice technology, Active Noise Cancellation and an ultra noise-cancelling microphone for incredibly accurate and clear communication. Benefit from reliable, high-quality materials with a headset crafted to perfection, and enjoy easy call handling and all-day comfort to boost your productivity. This is a headset that says you put your people and your customers first

Outstanding sound for perfect speech clarity

Ultra noise-cancelling microphone for perfect speech in noisy environments and Active Noise Cancellation for user comfort

Enjoy high-quality design and craftsmanship

Brushed aluminum and stainless-steel components, Vectran™ reinforced cables and strong, unibody headband

Handle calls seamlessly and conveniently

With proximity sensor technology, and in-line call control for easy call management

Easy to store and portable

With fold-flat ear cups and carry pouch

Exceptional wearing comfort

With soft leatherette ear pads for all-day comfort and powerful sound

Enjoy multimedia and music listening

With automatic sound-enhancement profile

Personalize the fit

Extension headband with number indications for accurate adjustment

Protect your hearing

From acoustic shock with EPOS ActiveGard® technology

What’s in the box?

* Headset

* Leatherette ear pad(s)

* Magnetic holder

* Cable/clothing clip mounted

* Carry pouch (select premium models only)

* Quick guide

* Safety guide

Technical Specifications

* Wearing style: Headband – single and double-sided variant

* Color: Black with white

* EPOS Voice technology: For a clear and natural listening experience

* Microphone: Ultra noise-cancelling microphone for optimal speech transmission

* Microphone frequency range: 150 – 6,800 Hz (Wideband)

* Speaker type: High-quality neodymium magnet speaker for outstanding audio quality

* Speaker frequency response 50 – 18,000 Hz

* 50 – 12,000 Hz (SC 668 / SC 638)

* Sound pressure Limited by EPOS ActiveGard®:


* Max. 103 dB via Easy Disconnect

* Max. 110 dB via Easy Disconnect (SC 668 / SC 638)

* Max. 118 dB via USB/USB-C& 3.5 mm jack



* Made for communications & multimedia: Sound enhancement profiles adjust automatically for optimal communication or multimedia use

* Enhanced music audio performance: For a richer audio experience when listening to music

* Active Noise Cancellation: For enhanced noise reduction in open offices. Can be turned on/off

* In-line call control (USB/USB-C models): Answer/end call, volume up/down and mute

* In-line mini call control (3.5 mm jack models): Answer/end call

* Proximity sensor technology: Answer call/call on hold/resume call by simply picking up headset/taking it off/putting it on again

* EPOS ActiveGard® technology Protects users against acoustic injury caused by sudden sound burst on the line

* EU Noise at Work limiter: Enhanced audio protection preventing listening fatigue, average 85 dB over a workday