Introduction
This manual provides comprehensive instructions for the EPOS C1 USB-C Mono Headset. It covers product features, setup, operation, maintenance, and troubleshooting to ensure optimal performance and user experience. Please read this manual carefully before using your headset.
The EPOS C1 USB-C Mono Headset is designed for clear communication in various environments, featuring a noise-cancelling microphone and a lightweight, comfortable design. It offers instant USB-C connectivity and is Chromebook certified, making it suitable for hybrid work, office use, and calls.
What's in the Box
Verify that all items are present in the package:
- EPOS C1 USB-C Mono Headset
- USB-C Cable (integrated)
- User Manual (this document)
- Ear Cushions (pre-installed or spare)

Setup
- Connect the Headset: Plug the USB-C connector of the headset into an available USB-C port on your computer, laptop, or compatible device. The headset is designed for instant plug-and-play functionality.
- Device Compatibility: The EPOS C1 USB-C Mono Headset is compatible with devices featuring USB-C connectivity, including Windows, Mac, and Chromebook systems. No additional drivers are typically required.
- Adjust Fit: Place the headset on your head with the ear cup over one ear. Adjust the headband for a comfortable and secure fit. The mono design allows you to remain aware of your surroundings.
- Position Microphone: Rotate the microphone boom arm to position the microphone approximately 2-3 cm (1 inch) from your mouth for optimal voice pickup. The microphone features noise-cancelling technology to reduce background distractions.

Operating Instructions
The headset features an in-line control unit for easy management of calls and audio.

- Volume Control: Use the '+' and '-' buttons on the in-line control unit to adjust the listening volume.
- Mute Microphone: Press the microphone button on the in-line control unit to mute or unmute the microphone. An indicator light on the control unit may show the mute status.
- Call Management: For compatible applications, the central button on the in-line control unit may be used to answer or end calls. Refer to your communication software's documentation for specific functionality.
- Voice Clarity: The directional microphone is designed to reduce background noise, ensuring clear voice transmission during calls and recordings.
Maintenance
Proper maintenance ensures the longevity and performance of your EPOS C1 USB-C Mono Headset.
- Cleaning: Use a soft, dry cloth to clean the headset. For ear cushions, gently wipe with a slightly damp cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the headset in a clean, dry place away from extreme temperatures and direct sunlight.
- Cable Care: Avoid sharp bends or excessive pulling on the USB-C cable to prevent damage.
- Ear Cushions: The ear cushions are replaceable. Contact EPOS support for replacement parts if needed.
Troubleshooting
If you encounter issues with your headset, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio from headset |
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| Microphone not working |
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| Poor audio quality |
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If the problem persists, please contact EPOS customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | EPOS |
| Model Name | C1 USB-C Mono |
| Color | Black |
| Ear Placement | On-ear |
| Form Factor | On-ear |
| Impedance | 22 Ohm |
| Noise Control | None (Microphone has noise-cancelling) |
| Sensitivity | 117 dB |
| Headphone Jack | No jack (USB-C only) |
| Connectivity Technology | Wired (USB-C) |
| Package Contents | Headset, Cable, Ear Cushions, User Manual |
| Country of Origin | China |
| Manufacturer | Demant Sound Epos Audio A/S |
| Control Type | Volume Control |
| Control Method | Remote (in-line) |
| Audio Driver Type | Dynamic Driver |
| Frequency Range | 20 Hz - 20,000 Hz |
| Covering Material | Metal, Plastic |
| Specific Product Uses | Business, Communication, Conferences |
| Recommended Product Uses | Business, Entertainment, Professional |
| Compatible Devices | Devices with USB-C connectivity |
| Cable Feature | Tangle-free |
| Water Resistance Level | Not water resistant |
| Product Features | Volume Control, Integrated Remote Control, Lightweight, Included Microphone |
| Item Weight | 70 Grams |
Warranty and Support
The EPOS C1 USB-C Mono Headset comes with a 2-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or inquiries about replacement parts, please contact EPOS customer service through their official website or the contact information provided with your purchase documentation. Please have your proof of purchase and product model number ready when contacting support.
Online Resources: For additional information, FAQs, and software updates (if applicable), visit the official EPOS website: www.eposaudio.com