Introduction
This manual provides essential information for the proper use, setup, and maintenance of your Koss CL/20 Clear Transparent On-Ear Headphones. Please read these instructions carefully to ensure optimal performance and longevity of your product. Keep this manual for future reference.
Product Overview
The Koss CL/20 headphones are designed to deliver clear and balanced audio. Featuring a transparent retro-inspired design, they offer a comfortable fit with adjustable components and soft ear cushions. These wired headphones connect universally via a 3.5mm audio jack.
Image: Front view of the Koss CL/20 Clear Transparent On-Ear Headphones, showcasing the transparent earcups and headband.
Key Features:
- Crystal Clear Sound: Delivers balanced and accurate audio reproduction.
- Retro Inspired Design: Transparent earcups and headband reveal internal components.
- Comfortable Fit: Plush leatherette and sponge earpads for extended listening.
- Durable Construction: Lightweight yet robust materials for daily use.
- Universal Connectivity: Standard 3.5mm headphone jack for broad compatibility.
Setup
- Unpack: Carefully remove the headphones from their packaging.
- Inspect: Check the headphones for any visible damage.
- Connect: Insert the 3.5mm audio jack into the headphone port of your audio device (laptop, tablet, gaming console, smartphone, etc.). Ensure the plug is fully inserted for a secure connection.
Image: Close-up of the 3.5mm audio jack and the coiled transparent cable, ready for connection to an audio device.
Operating Instructions
- Wearing the Headphones: Gently place the earcups over your ears. The earpads should comfortably cover your ears.
- Adjusting the Headband: Slide the headband up or down on each side to achieve a snug and comfortable fit. The adjustable yokes allow for personalized sizing.
- Audio Playback: Once connected to your audio source, begin playing your desired audio. Adjust the volume directly on your connected device.
Maintenance
- Cleaning: Use a soft, dry cloth to wipe the exterior surfaces of the headphones. For the leatherette earpads, a slightly damp cloth can be used, followed by immediate drying. Avoid using harsh chemicals or abrasive cleaners.
- Storage: When not in use, store the headphones in a clean, dry place away from direct sunlight and extreme temperatures. Avoid tangling the cable.
- Handling: Do not pull on the cable to disconnect the headphones. Always grasp the 3.5mm plug firmly. Avoid dropping the headphones or exposing them to excessive force.
Image: Close-up view of the black leatherette earpads and the transparent housing of the Koss CL/20 headphones, highlighting their construction.
Troubleshooting
No Sound or Low Volume:
- Ensure the 3.5mm audio jack is fully inserted into both the headphones and the audio source.
- Check the volume level on your connected audio device.
- Test the headphones with a different audio source or device to rule out a device-specific issue.
- Inspect the cable for any visible damage or kinks.
Distorted Sound:
- Reduce the volume on your audio device.
- Ensure the audio source is playing a high-quality audio file.
- Check for loose connections at the 3.5mm jack.
Specifications
| Feature | Specification |
|---|---|
| Model Name | CL/20 |
| Brand | Koss |
| Connectivity Technology | Wired |
| Headphones Jack | 3.5 mm Jack |
| Ear Placement | On Ear |
| Frequency Range | 16 Hz - 20000 Hz |
| Sensitivity | 103 dB |
| Impedance | 60 Ohm |
| Material | Faux Leather, Metal, Plastic |
| Item Weight | 6.4 ounces |
| Compatible Devices | Laptops, Tablets, Gaming Devices |
| Water Resistance Level | Not Water Resistant |
Warranty and Support
For warranty information and detailed support, please refer to the official Koss website or contact Koss customer service directly. Keep your proof of purchase for any warranty claims.
Koss Customer Support:
- Visit www.koss.com for product registration, FAQs, and contact information.
