# Headphones EPOS ADAPT 660 USB-A — Circumaural, Wired & Bluetooth, 17–23000 Hz, 1.2 m cable, 227 g, Black

**URL:** https://aio.lv/en/product--epos-1001372--11337440
**Data updated:** 2025-12-16 15:40 (EET)
**Category:** Headphones
**Manufacturer:** EPOS
**Manufacturer code:** 1001372
**EAN:** 5714708012023
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 326.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 270.24 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--epos-1001372--11337440

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

EPOS ADAPT 660 USB-A are circumaural headphones offering wired and Bluetooth connectivity for music and everyday use. They cover a frequency range of 17–23,000 Hz, weigh 227 g and include a 1.2 m cable for wired connections. Designed with a head-band wearing style, they provide comfortable full-ear fit and versatile connection options for phones, laptops and office setups.

## Long description

EPOS ADAPT 660 USB-A are circumaural, head-band headphones that combine wired and Bluetooth connectivity for everyday use. With a frequency response of 17–23,000 Hz, a 1.2 m cable and a lightweight 227 g build, these headphones are designed to deliver high-quality stereo sound, adaptive noise reduction and long battery life for work, calls and music.
Advantages
The ADAPT 660 features a 4-microphone ANC system that automatically adjusts noise reduction to improve focus and lower listening effort. Renowned stereo sound and customizable profiles let you tailor audio to personal preferences. The headset is UC- and Microsoft Teams-certified for reliable remote collaboration and includes EPOS BrainAdapt™ and EPOS AI™ technologies that optimize speech clarity and adapt to surrounding sound. Up to 30 hours of battery life and a dedicated Microsoft Teams button provide extended use and fast access to meetings.
Suitable for
Office and remote work (video calls, conference calls)
Commuting and travel when wireless convenience is needed
Listening to music with high-quality stereo sound
Situations requiring adaptive noise cancellation for concentration
Key specifications
Ear coupling: Circumaural (over-ear)
Connectivity: Wired (3.5 mm, USB-A with included cable) and Bluetooth 5.0
Frequency range: 17–23,000 Hz
Impedance / Sensitivity: 18 Ω / 106 dB
Microphone: Built-in (4 ANC microphones), mic sensitivity approx. -16 dB
Battery: Built-in Lithium Polymer (LiPo), up to 30 hours playback
Cable length: 1.2 m
Weight: 227 g
Colour: Black
Certifications: UC and Microsoft Teams certified
How to use
Use the headphones wirelessly by pairing them with devices supporting Bluetooth 5.0, or connect via the supplied 3.5 mm cable or USB-A for wired audio. Adjust ANC and sound profiles using the EPOS software or on-device controls. Press the dedicated Microsoft Teams button to launch or join Teams calls on compatible systems. Charge the built-in LiPo battery before extended wireless use and monitor battery status through device indicators or the EPOS app.
Usage recommendations
For best performance in noisy environments, enable adaptive ANC and allow EPOS AI to learn the surrounding soundscape. Use wired connection for lowest latency during critical audio tasks such as gaming or professional audio monitoring. Keep firmware and EPOS software updated to maintain compatibility and access improvements.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 17 - 23000 |
| Headphone sensitivity | 106 dB |
| Impedance | 18 Ω |
| Driver unit | 36.5 mm |
| Ear coupling | Circumaural |
| Acoustic system | Closed |
| Driver type | Dynamic |
| Noise canceling type | Active |
| Noise canceling | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired & Wireless |
| Bluetooth version | 5.0 |
| Bluetooth | Yes |
| Bluetooth profiles | HSP, HFP, AVRCP, APTX, AAC, A2DP, SBC |
| Wireless receiver interface | USB Type-A |
| 3.5 mm connector | Yes |
| Cable colour | Black |
| Wireless range (line of sight) | 25 m |
| Frequency response (music mode) | 17 - 23000 |
| Frequency response (talk mode) | 100 - 8000 |

### Performance

| Feature | Value |
|---|---|
| Cable length | 1.2 m |
| Certification | Alcatel Lucent , Avaya, Cisco Webex, Mitel, Google Voice, Google Meet, Swyx, Unify, Google Chromebook, Amazon Chime, Zoom, UC |
| Plug and Play | Yes |
| Product colour | Black |
| Total Harmonic Distortion (THD) | 0.5 % |
| Volume control | Touch |
| Control type | Touch, Buttons, Slider |
| Detachable cable | Yes |
| Headset type | Binaural |
| Wearing style | Head-band |
| Sound pressure level (max) | 109 dB |
| Recommended usage | Music/Everyday |
| Number of simultaneously connected devices (max) | 2 |
| Product type | Headphones |
| Number of paired devices remembered | 8 |
| Music playback | Yes |
| Market segment | Consumer |
| Adjustable headband | Yes |
| Works with Amazon Alexa | Yes |
| Control unit type | On-ear control unit |
| BeamForming | Yes |
| Hearing protection technologies | EPOS ActiveGard |
| Hearing protection | Yes |

### Technical details

| Feature | Value |
|---|---|
| Warranty period | 2 year(s) |

### Other features

| Feature | Value |
|---|---|
| Talk time | 23 h |
| Pouch | Yes |

### Microphone

| Feature | Value |
|---|---|
| Microphone frequency | 100 - 8000 |
| Microphone sensitivity | -16 dB |
| Number of microphones | 7 |
| MEMS (Micro-Electro-Mechanical System) microphone | Yes |
| Noise-canceling switch | Yes |
| Microphone noise-canceling | Yes |

### Design

| Feature | Value |
|---|---|
| Foldable | Yes |
| On/off switch | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.227 kg |
| Height | 193 mm |
| Width | 149 mm |
| Depth | 79 mm |

### Power

| Feature | Value |
|---|---|
| USB Type-C charging port | Yes |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery type | Built-in battery |
| Battery recharge time | 3 h |
| Standby time | 360 h |
| Fast charging | Yes |
| Battery operated | Yes |
| Charging source | USB |
| Continuous audio playback time (ANC on) | 23 h |
| Continuous audio playback time (ANC off) | 30 h |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -10 - 60 |
| Operating temperature (T-T) | -10 - 50 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 540 g |
| Package depth | 207 mm |
| Package height | 181 mm |
| Package width | 65 mm |
| Package type | Box |

### Packaging content

| Feature | Value |
|---|---|
| AC adapter included | No |
| Cables included | USB Type-C, Audio (3.5mm) |
| Quick start guide | Yes |
| Ear pads | Yes |
| Receiver included | Yes |
| Safety sheet | Yes |
| Ear pad size | 98 mm |
| Ear pad material | Leatherette |

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 348 mm |
| Master (outer) case width | 230 mm |
| Master (outer) case length | 438 mm |
| Products per master (outer) case | 10 pc(s) |

### Certificates

| Feature | Value |
|---|---|
| Certified for Microsoft Teams | Yes |

### Supplier features

| Feature | Value |
|---|---|
| Country of origin | China |

## FAQ

### How much does the EPOS ADAPT 660 USB-A headphones cost, and is it available for purchase?

The price is 326.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 44 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All EPOS products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized EPOS service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: ear coupling, connectivity technology, cable length, weight, wearing style, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11337440/66958873_large.webp