EPOS Sennheiser Adapt 661 Wireless ANC Headset, With BTD 800 USB Dongle, USB-C (Black)

Current Stock:
Wireless - Bluetooth
Wearing Style:
Stereo (Over-Ear)
Noise Cancelling (ANC)
Microsoft Teams Certified
Zoom, UC & Others
Connects To:
Computer & Mobile
With USB Dongle

Maximize focus and productivity anywhere with a headset powered by EPOS AI™ for personal audio with superb call clarity, stereo sound and adaptive ANC. Enjoy a unique UC optimized solution with machine learning enhanced microphone performance. One press launches Microsoft Teams on your PC via the BTD 800 USB-C dongle included. Certified for Microsoft Teams.entration by monitoring your working environment and adjusts noise reduction accordingly; even reducing wind noise when outdoors.

Superb call clarity powered by EPOS AI
Machine learning developed algorithms optimize voice pick up, for a natural listening experience from three advanced microphones

Regain concentration anytime, anywhere
Four adaptive ANC microphone system monitors your working environment and adjusts noise reduction in open offices, while reducing wind noise outdoors

Get organized with Alexa
Tap and hold to activate Alexa and stay on top of your day-to-day business. Never miss a meeting and plan your schedule both in and out of the office

Ensure clear calls with UC certified solution
Certified for Microsoft Teams and optimized for UC

Experience superior sound to increase your focus
Renowned stereo sound and a personalized audio profile means you can enjoy high-quality music to help your focus on work

Designed to maximize focus and productivity
Whether revitalizing your open office, working on-the-go, or enjoying a relaxed commute, ADAPT 600 boosts efficiency and improves wellbeing for today’s mobile workforce.

Switch between your favorite devices
Enjoy multi-point connectivity via Bluetooth® to mobile and softphone simultaneously. BTD 800 USB-C dongle connects to your PC

Stay in touch with your surroundings
EPOS Voice™ technology for listening to colleagues without removing the headset

EPOS ADAPT 660 rated one of the best products in it’s range by Frost & Sullivan
For a month, the Frost & Sullivan team tested the ADAPT 660 headset on a large number of audio, video and web calls, as well as for music streaming and general concentration. The total score came in at 4.53 out of 5.00 making it well above industry average for its class.

Get The Most From Your Headset
With the EPOS Connect APP enjoy an intuitive and user-friendly App that makes it easy to get the most from your ADAPT 600 headset. The App completes the personalized audio experience that these premium headsets enable for today’s forward-thinking professionals.

Technical Specifications

  • Wearing style Over-ear, double-sided headband
  • Headset weight 227 g / 8 oz
  • Transducer principle Dynamic, closed
  • Connectivity Bluetooth 5.0, audio cable (2.5 mm and 3.5 mm jack plugs), USB
  • cable with micro-USB connector
  • Supported codecs AptXTM, AptXTM low latency, AAC, SBC
  • Warranty 2 years
  • Speaker frequency response 17 – 23,000 Hz
  • Microphone type Digital MEMs beamforming microphone (3 microphones)
  • Microphone frequency response 150 – 6,800Hz
  • Impedance active 490 ohms / Passive 46 ohms
  • Sound pressure level (SPL) Max. 118 dB limited by EPOS ActiveGard®
  • Total harmonic distortion (THD) <0.5% (1kHz, 100dB)
  • Contact pressure 3 N
  • Noise cancellation Hybrid adaptive ANC technology with 4 microphones
  • Total noise attenuation Up to 30 dB
  • Charging time 3 hours
  • Standby time Up to 15 days
  • Battery time Up to 30 hours*
  • Range Up to 25 m / 82 ft (device dependent)
  • Touch control Yes
  • Voice prompts Yes (EN, DE, FR, ES, ZH, JA, KO)
  • Sound effect modes Yes (club, movie, speech, director-user defined)

What's Included

  • ADAPT 661 headset
  • BTD 800 USB dongle, USB-C
  • USB cable with micro-USB connector
  • Audio cable (2.5 mm and 3.5 mm jack plugs)
  • Carry case

2 year warranty from date of purchase. During the warranty period, EPOS authorised service centre will, at its sole discretion (a) repair the product using new or refurbished parts, (b) replace the product with a new or refurbished product. Consumable Components and Accessories: Limited-life consumable components and accessories subject to normal wear and tear are exempt from warranty. This includes, but not limited to: ear cushions, ear tips, ear hooks, foam products, batteries, headbands, neckbands etc.