1. Okwu mmalite
The EPOS Sennheiser IMPACT SC 660 USB ML is a premium, wired, double-sided USB headset designed for professionals. It is optimized for Unified Communications (UC) and certified for Skype for Business, offering outstanding sound performance, convenient call handling, durability, and all-day comfort. This headset features HD sound, an ultra noise-cancelling microphone, and a USB connector for seamless integration with various devices and platforms.

Foto 1: N'ihu view of the EPOS Sennheiser IMPACT SC 660 USB ML Headset.
2. Kedu ihe dị na Igbe ahụ
Carefully unpack your EPOS Sennheiser IMPACT SC 660 USB ML headset and ensure all components are present:
- IMPACT SC 660 USB ML Headset
- Okwu nchekwa
- Cable clip mounted on headset
- Leatherette ear pad/s (spare)
- Ihe njide magnetik
- Ntuziaka ngwa ngwa
- Ntuziaka nchekwa

Figure 2: All included components: headset, carry pouch, in-line call control, clothing clip, USB connector, leatherette ear pads, ear pad holders, safety guide, and quick guide.
3. Nhazi
The IMPACT SC 660 USB ML headset is designed for simple plug-and-play setup.
3.1 Ijikọ ekweisi
- Locate an available USB port on your computer or compatible device.
- Plug the USB connector of the headset into the USB port.
- The headset will be automatically recognized by your operating system. No additional drivers are typically required for basic functionality.
3.2 Ngwa ndakọrịta
This headset is optimized for Unified Communications (UC) and certified for various platforms, ensuring seamless integration and optimal performance:
- Skype maka azụmahịa
- Otu Microsoft
- Nzukọ Google
- Ụlọ ọrụ Alcatel-Lucent
- Webex nke Cisco
- Avaya
- Na-arụ ọrụ na Chromebook

Figure 3: The headset is optimized for various Unified Communications platforms, including Microsoft Teams, Google Meet, Alcatel-Lucent Enterprise, Webex by Cisco, Avaya, and Chromebook.
3.3 Yi ekweisi
Adjust the headband and microphone boom for a comfortable and secure fit. The microphone boom is flexible to allow for optimal positioning near your mouth.

Figure 4: A person wearing the headset, demonstrating proper microphone positioning for natural, clear conversations with EPOS Voice and noise-cancelling microphone technology.
Video 1: Official product description video for the EPOS Sennheiser IMPACT SC 600 Series, highlighting key features and benefits for business communication.
4. Ntuziaka ọrụ
The IMPACT SC 660 USB ML headset provides intuitive controls for managing your calls and audio.
4.1 In-Line Call Control Unit
The headset features an in-line call control unit for easy management of calls and audio settings:
- Azịza/Kwụsị Oku: Press the dedicated call button to answer or end a call.
- Njikwa olu: Jiri bọtịnụ '+' na '-' gbanwee olu ntị.
- Mechie igwe okwu: Press the microphone mute button to mute or unmute your microphone.
- Agbagharị: Some applications may support redialing directly from the control unit.
4.2 Igwe okwu
The ultra noise-cancelling microphone filters out unwanted background noise, ensuring crystal-clear conversations. Position the microphone approximately two fingers' width from the corner of your mouth for optimal voice pickup.
4.3 Njirimara ụda
- HD Sound: Powered by a neodymium speaker, the headset delivers clear and natural voice and audio experiences.
- ActiveGard Technology: This technology protects users against acoustic injury caused by sudden sound bursts on the line.
- Sound Enhancement Profiles: The headset automatically adjusts sound enhancement profiles for optimal communication or multimedia listening.

Foto 5: Akụkụ view of the headset, highlighting the in-line call control unit and USB connector.

Figure 6: Image illustrating how sound enhancement profiles adjust automatically for optimal communication or multimedia experiences.
5. Nlekọta
Proper care and maintenance will extend the life and performance of your headset.
5.1 Nhicha
- Mpempe ntị: The soft leatherette ear pads can be gently wiped with a damp ákwà. Hụ na ha kpọrọ nkụ kpamkpam tupu e jiri ha.
- Ahụ ekweisi: Use a soft, dry cloth to clean the headset body. Avoid using harsh chemicals or abrasive materials.
5.2 Nchekwa
When not in use, store the headset in its protective case. The ear cups can be folded flat for easy transportation and storage, protecting the headset from damage.
5.3 Nlekọta USB
The headset features Vectran reinforced cables for enhanced durability. Avoid sharp bends or excessive pulling on the cable to prevent damage.
6. Nchọpụta nsogbu
If you encounter issues with your headset, try the following basic troubleshooting steps:
- Enweghị ụda/igwe okwu Anaghị arụ ọrụ:
- Hụ na etinyere njikọ USB ahụ nke ọma n'ime ọdụ ụgbọ mmiri ahụ.
- Check your computer's audio settings to ensure the headset is selected as the default playback and recording device.
- Verify that the microphone is not muted using the in-line control unit.
- Try plugging the headset into a different USB port or another computer to rule out port or system-specific issues.
- Ogo ụda adịghị mma:
- Adjust the volume using the in-line control or your computer's settings.
- Ensure the microphone is positioned correctly near your mouth for clear voice pickup.
- Lelee maka mmebi anụ ahụ ọ bụla mebiri eriri ma ọ bụ njikọ.
- Headset Not Recognized:
- Malitegharịa ekwentị gị na kọmputa.
- Gbaa mbọ hụ na sistemụ arụmọrụ gị emelitere.
For more complex issues, refer to the detailed Safety Guide or Quick Guide included in the box, or contact EPOS customer support.
7. Nkọwapụta
| Aha Nlereanya | IMPACT SC 660 USB ML |
| Ụdị | EPOS |
| Teknụzụ Njikọta | USB |
| Jack ekweisi | USB |
| Ntinye ntị | Na Ntị |
| Ụdị Ihe | Na Ntị |
| Agba | Nwa |
| Ihe onwunwe | Plastics |
| Ibu Ibu | 7.9 ounce (224 grams) |
| Akụkụ ngwaahịa | 13 x 2.44 x 2.44 sentimita asatọ |
| Nzaghachi ugboro ugboro (igwe okwu) | 150 – 6,800 Hz (Wideband) |
| Frequency Response (Speaker) | 50 - 18,000 Hz |
| Mgbochi | 200 ohms |
| Njikwa mkpọtụ | Noise Cancellation (Microphone) |
| Njirimara Pụrụ Iche | Dị fechaa |
| Ngwa dakọtara | Laptops, Tablets (via USB) |
| Njirimara USB | Retractable, Vectran reinforced |
| Ụdị njikwa | Call Control (in-line remote) |
8. Akwụkwọ ikike & Nkwado
8.1 Ozi akwụkwọ ikike
The EPOS Sennheiser IMPACT SC 660 USB ML headset comes with a Akwụkwọ ikike nke afọ 3 nke mba ụwa. This warranty covers manufacturing defects and ensures peace of mind regarding the quality and durability of your headset. Please retain your proof of purchase for warranty claims.
8.2 Nkwado ndị ahịa
For technical assistance, warranty claims, or further inquiries, please visit the official EPOS website or contact their customer support directly. Refer to the contact information provided in your Safety Guide or on the EPOS websaịtị.