1. Pengenalan
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.

Rajah 1: Depan view of the EPOS Sennheiser IMPACT SC 660 USB ML Headset.
2. Apa yang ada di dalam Kotak
Carefully unpack your EPOS Sennheiser IMPACT SC 660 USB ML headset and ensure all components are present:
- IMPACT SC 660 USB ML Headset
- Kes Pelindung
- Cable clip mounted on headset
- Leatherette ear pad/s (spare)
- Pemegang magnet
- Panduan Cepat
- Panduan Keselamatan

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. Persediaan
The IMPACT SC 660 USB ML headset is designed for simple plug-and-play setup.
3.1 Menyambung Alat Dengar
- 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 Keserasian Perisian
This headset is optimized for Unified Communications (UC) and certified for various platforms, ensuring seamless integration and optimal performance:
- Skype untuk Perniagaan
- Pasukan Microsoft
- Google Meet
- Alcatel-Lucent Enterprise
- Webbekas oleh Cisco
- Avaya
- Bekerja dengan 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 Memakai Alat dengar
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. Arahan Operasi
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:
- Jawab/Tamatkan Panggilan: Press the dedicated call button to answer or end a call.
- Kawalan Kelantangan: Gunakan butang '+' dan '-' untuk melaraskan kelantangan pendengaran.
- Redam Mikrofon: Press the microphone mute button to mute or unmute your microphone.
- Panggil semula: Some applications may support redialing directly from the control unit.
4.2 Penggunaan Mikrofon
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 Ciri Bunyi
- 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.

Rajah 5: Sisi 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. Penyelenggaraan
Proper care and maintenance will extend the life and performance of your headset.
5.1 Pembersihan
- Alas Telinga: The soft leatherette ear pads can be gently wiped with a damp kain. Pastikan ia benar-benar kering sebelum digunakan.
- Headset Body: Use a soft, dry cloth to clean the headset body. Avoid using harsh chemicals or abrasive materials.
5.2 Penyimpanan
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 Penjagaan Kabel
The headset features Vectran reinforced cables for enhanced durability. Avoid sharp bends or excessive pulling on the cable to prevent damage.
6. Penyelesaian masalah
If you encounter issues with your headset, try the following basic troubleshooting steps:
- Tiada Bunyi/Mikrofon Tidak Berfungsi:
- Pastikan penyambung USB dimasukkan sepenuhnya ke dalam port.
- 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.
- Kualiti Bunyi Lemah:
- 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.
- Periksa sebarang kerosakan fizikal pada kabel atau penyambung.
- Headset Not Recognized:
- Mulakan semula komputer anda.
- Pastikan sistem pengendalian anda dikemas kini.
For more complex issues, refer to the detailed Safety Guide or Quick Guide included in the box, or contact EPOS customer support.
7. Spesifikasi
| Nama Model | IMPACT SC 660 USB ML |
| Jenama | EPOS |
| Teknologi Ketersambungan | USB |
| Jack Fon Kepala | USB |
| Penempatan Telinga | Di Telinga |
| Faktor Bentuk | Di Telinga |
| warna | Hitam |
| bahan | plastik |
| Berat Barang | 7.9 auns (224 gram) |
| Dimensi Produk | 13 x 2.44 x 2.44 inci |
| Frequency Response (Microphone) | 150 – 6,800 Hz (Jalur Lebar) |
| Respons Frekuensi (Pembesar Suara) | 50 – 18,000 Hz |
| Impedans | 200 ohm |
| Kawalan Bunyi | Noise Cancellation (Microphone) |
| Ciri Khas | Ringan |
| Peranti Serasi | Laptops, Tablets (via USB) |
| Ciri Kabel | Retractable, Vectran reinforced |
| Jenis Kawalan | Call Control (in-line remote) |
8. Waranti & Sokongan
8.1 Maklumat Waranti
The EPOS Sennheiser IMPACT SC 660 USB ML headset comes with a Jaminan antarabangsa 3 tahun. 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 Sokongan Pelanggan
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 webtapak.