
EPOS ADAPT 660 USB-C
Performance
| Product type | Headphones |
|---|---|
| Recommended usage | Business/Everyday |
| Country of origin | China |
| Plug and Play | Yes |
| Wearing style | Head-band |
| Product colour | Black |
| Volume control | Touch |
| Foldable | Yes |
| Certification | Microsoft Teams, Zoom, Google Meet, Webex by Cisco |
| Control type | Buttons, Touch |
| On/off switch | Yes |
| Detachable cable | Yes |
| Colour name | Black |
| Optimized for | Unified Communications |
| Works with Amazon Alexa | Yes |
| Hearing protection technologies | EPOS ActiveGard |
| Music playback | Yes |
| Number of simultaneously connected devices (max) | 2 |
| Number of paired devices remembered | 8 |
| HD voice | Yes |
| Clear sound | Yes |
| Auto-connect | Yes |
| Adjustable headband | Yes |
| BeamForming | Yes |
Ports & interfaces
| Connectivity technology | Wired & Wireless |
|---|---|
| 3.5 mm connector | Yes |
| USB connectivity | Yes |
| USB connector | USB Type-C |
| Bluetooth | Yes |
| Wireless range | 25 m |
| Bluetooth profiles | APTX |
| Microphone in | Yes |
| Frequency response (talk mode) | 17 - 23000 Hz |
| Frequency response (music mode) | 17 - 23000 Hz |
Headphones
| Ear coupling | Supraaural |
|---|
Microphone
| Microphone mute | Yes |
|---|---|
| Number of microphones | 7 |
| Noise-canceling switch | Yes |
| MEMS (Micro-Electro-Mechanical System) microphone | Yes |
| Hybrid noise-canceling | Yes |
Battery
| Battery technology | Lithium-Ion (Li-Ion) |
|---|---|
| Standby time | 360 h |
| Battery operated | Yes |
| Battery type | Built-in battery |
| Talk time (ANC off) | 25 h |
Weight & dimensions
| Weight | 231 g |
|---|---|
| Width | 149 mm |
| Height | 193 mm |
| Depth | 79 mm |
Packaging data
| Package width | 210 mm |
|---|---|
| Package type | Box |
| Package height | 65 mm |
| Package depth | 200 mm |
| Package weight | 236 g |
Packaging content
| Pouch | Yes |
|---|---|
| Ear pads | Yes |
Certificates
| Certified for Microsoft Teams | Yes |
|---|
Power
| USB Type-C charging port | Yes |
|---|
Documents
EPOS ADAPT 660 USB-C
Overview
The EPOS ADAPT 660 USB‑C is a high‑end wireless headset engineered for professionals who require exceptional call quality, comfort, and connectivity across devices. Powered by EPOS AI™ technology, it features adaptive hybrid active noise cancellation that automatically adjusts to your environment, helping you stay focused in open offices or busy spaces. A multi‑microphone system with machine‑learning‑enhanced voice capture ensures natural speech clarity during calls, while high‑fidelity stereo sound delivers immersive audio for music and media. The headset includes a USB‑C Bluetooth dongle for reliable connection to PCs and comes USB‑C and 3.5 mm cable options for wired use. Certified for Microsoft Teams and other major unified communications platforms, it supports desktop and mobile workflows with multipoint pairing and voice assistant access.



















