# Headset EPOS IMPACT SC 660 USB ML

**URL:** https://aio.lv/en/product--sennheiser-504553--426483
**Data updated:** 2026-02-17 11:43 (EET)
**Category:** Headphones
**Manufacturer:** Sennheiser
**Manufacturer code:** 504553
**EAN:** 4044155083446
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 367.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 303.71 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sennheiser-504553--426483

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

The EPOS IMPACT SC 660 USB ML is a wired headset designed for calls and music. It features a frequency range of 50 - 18000 Hz, ensuring clear sound quality. With a cable length of 2.9 m and a lightweight design at 95 g, it offers comfort and flexibility for extended use. Available in black and silver, this headset combines style with functionality.

## Long description

The EPOS IMPACT SC 660 USB ML is a premium wired, double-sided USB headset optimized for unified communications and certified for Skype for Business. Designed for contact centre and office professionals, it provides clear call and music reproduction across a frequency range of 50–18,000 Hz while remaining lightweight for all-day use. The headset features supra-aural ear coupling, a head-band wearing style and a 2.9 m cable for flexible desk setups; it is available in black and silver.
Advantages
The headset delivers reliable speech clarity and consistent audio quality for calls and multimedia thanks to its defined frequency response. Its double-sided design and lightweight construction (95 g) offer balanced wearing comfort during extended shifts. Wired USB connectivity ensures stable connection and simple integration with compatible Unified Communications platforms and Skype for Business certification. A long 2.9 m cable provides freedom of movement around a workstation while maintaining a secure physical connection.
Suitable for
 Contact centre and helpdesk agents
 Office professionals handling frequent calls
 Unified Communications environments and Skype for Business users
 Desks requiring wired, reliable audio peripherals
Key specifications
 Connectivity: wired USB
 Design: double-sided (binaural), head-band
 Ear coupling: supra-aural
 Frequency response: 50–18,000 Hz
 Cable length: 2.9 m
 Weight: 95 g
 Colours: black, silver
How to use
Connect the USB cable to a computer or compatible UC device and position the headband so the ear cups sit comfortably over the ears. Adjust the headband for a secure fit and route the cable to avoid strain. Use the headset for voice calls and media playback; follow your organisation's UC client instructions for selecting the EPOS device as the default audio input/output.
Usage recommendations
For optimal speech clarity, place the microphone boom close to the mouth but not touching the lips. Store the headset on a stand or in a protective area when not in use and avoid sharp bends in the cable to prolong service life.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 50 - 18000 |
| Headphone sensitivity | 113 dB |
| Magnet type | Neodymium |
| Ear coupling | Supraaural |
| Acoustic system | Open |
| Noise canceling | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| USB connectivity | Yes |
| USB connector | USB Type-A |
| Cable colour | Black |

### Performance

| Feature | Value |
|---|---|
| Cable length | 2.9 m |
| Product colour | Black, Silver |
| Volume control | Button |
| Control type | Buttons |
| Headset type | Binaural |
| Wearing style | Head-band |
| Recommended usage | Calls/Music |
| Product type | Headset |

### Other features

| Feature | Value |
|---|---|
| Material | Leatherette, Plastic |
| Quantity | 1 |
| Microphone mute | Yes |
| Pouch | Yes |

### Microphone

| Feature | Value |
|---|---|
| Microphone frequency | 150 - 6800 |
| Microphone noise-canceling | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.095 kg |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 20 - 85 |
| Storage temperature (T-T) | -20 - 70 |
| Operating temperature (T-T) | 5 - 45 |
| Storage relative humidity (H-H) | 10 - 95 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 254 g |
| Package depth | 205 mm |
| Package height | 60 mm |
| Package width | 155 mm |

### Packaging content

| Feature | Value |
|---|---|
| Quick start guide | Yes |
| Ear pads | Yes |
| Safety sheet | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 195 mm |
| Master (outer) case width | 420 mm |
| Master (outer) case gross weight | 6050 g |
| Master (outer) case length | 615 mm |
| Products per master (outer) case | 20 pc(s) |
| Shipping (inner) case width | 155 mm |
| Shipping (inner) case length | 205 mm |
| Shipping (inner) case height | 60 mm |
| Shipping (inner) case gross weight | 254 g |
| Harmonized System (HS) code | 85183000 |

### Supplier features

| Feature | Value |
|---|---|
| Adjustable volume | Yes |

## FAQ

### How much does the Headset EPOS IMPACT SC 660 USB ML cost, and is it available for purchase?

The price is 367.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 27.07.2026 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: Bank transfer. 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 Sennheiser 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 Sennheiser 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, product colour, wearing style, 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.

### Where can I download the instructions for Headset EPOS IMPACT SC 660 USB ML?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/426483/62254222_large.webp