Headphones EPOS ADAPT 660 USB-C — supra-aural, wired & wireless (Bluetooth), 25 m range, 231 g, black

The ADAPT 660 USB-C is an over-ear headset designed for hybrid workers who need to focus in noisy environments. Built on EPOS BrainAdapt™ technology, it reduces listening effort and adapts active noise cancellation automatically to surrounding conditions. The headset offers high-quality stereo sound, long battery life, and connectivity options for both wired and wireless use, including a dedicated Microsoft Teams button and support for simultaneous connections to multiple devices.

Advantages

The adaptive hybrid ANC with a 4-microphone system monitors ambient noise and adjusts noise reduction to lower cognitive load and improve concentration. Certified with major UC providers and Microsoft Teams, the headset enables reliable collaboration. EPOS Voice™ with an acoustic lens enhances speech intelligibility, while adjustable sidetone provides a natural speaking experience. Soft leatherette ear pads and a comfortable headband support long hours of use. Fast charging and up to 30 hours of battery life keep the headset ready for extended workdays or travel.

Key specifications

• Form factor: over-ear (supraaural) headset
• Noise cancellation: adaptive hybrid ANC with 4 microphones
• Technology: EPOS BrainAdapt™ and EPOS Voice™
• Audio: high-quality stereo sound, customizable sound profiles
• Connectivity: USB-C, 3.5 mm wired, Bluetooth (up to 25 m)
• Simultaneous connections: connect to two devices, pair with up to 8
• Certifications: UC certified, Microsoft Teams certified
• Controls: dedicated Microsoft Teams button (via BTD 800c dongle)
• Battery: built-in Lithium-Ion, up to 30 hours, full charge in ~3 hours
• Comfort: soft leatherette ear pads, padded headband

How to use

Charge the headset fully before first use. Connect via USB-C or plug in the 3.5 mm cable for wired operation, or pair via Bluetooth for wireless use; the headset can maintain two active connections and remembers up to eight paired devices. Use the dedicated Teams button to launch Microsoft Teams on PC when using the BTD 800c dongle. Adjust ANC and sidetone settings through the EPOS software or device controls to balance ambient awareness and voice feedback. Wear the ear pads over the ears and adjust the headband for a snug but comfortable fit.

Recommendations

For best performance in noisy offices or public spaces, enable adaptive ANC and personalize sidetone levels. Use the USB-C connection for higher stability during long calls and Bluetooth for mobility. Keep the headset charged and store it in a dry place to prolong battery life and maintain leatherette ear pad condition.