Indledning
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.
Produkt 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.

Billede: Forside view of the Koss CL/20 Clear Transparent On-Ear Headphones, showcasing the transparent earcups and headband.
Nøglefunktioner:
- Krystalklar lyd: Delivers balanced and accurate audio reproduction.
- Retro Inspired Design: Transparent earcups and headband reveal internal components.
- Komfortabel pasform: Plush leatherette and sponge earpads for extended listening.
- Holdbar konstruktion: Lightweight yet robust materials for daily use.
- Universel tilslutning: Standard 3.5mm headphone jack for broad compatibility.
Opsætning
- Pakker ud: Tag forsigtigt hovedtelefonerne ud af emballagen.
- Inspicere: Check the headphones for any visible damage.
- Forbinde: 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.
Betjeningsvejledning
- Brug af hovedtelefoner: Gently place the earcups over your ears. The earpads should comfortably cover your ears.
- Justering af pandebåndet: Slide the headband up or down on each side to achieve a snug and comfortable fit. The adjustable yokes allow for personalized sizing.
- Lydafspilning: Once connected to your audio source, begin playing your desired audio. Adjust the volume directly on your connected device.
Opretholdelse
- Rensning: Use a soft, dry cloth to wipe the exterior surfaces of the headphones. For the leatherette earpads, a slightly damp en klud kan bruges, efterfulgt af øjeblikkelig tørring. Undgå at bruge skrappe kemikalier eller slibende rengøringsmidler.
- Opbevaring: Når hovedtelefonerne ikke er i brug, skal de opbevares et rent og tørt sted, væk fra direkte sollys og ekstreme temperaturer. Undgå at kablet filtres sammen.
- Håndtering: 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.

Billede: Nærbillede view of the black leatherette earpads and the transparent housing of the Koss CL/20 headphones, highlighting their construction.
Fejlfinding
Ingen lyd eller lav lydstyrke:
- Sørg for, at 3.5 mm lydstikket er sat helt i både hovedtelefonerne og lydkilden.
- Check the volume level on your connected audio device.
- Test hovedtelefonerne med en anden lydkilde eller enhed for at udelukke et enhedsspecifikt problem.
- Undersøg kablet for synlige skader eller knæk.
Forvrænget lyd:
- Skru ned for lydstyrken på din lydenhed.
- Ensure the audio source is playing a high-quality audio file.
- Check for loose connections at the 3.5mm jack.
Specifikationer
| Feature | Specifikation |
|---|---|
| Modelnavn | CL/20 |
| Mærke | Koss |
| Forbindelsesteknologi | Kablet |
| Hovedtelefonstik | 3.5 mm Jack |
| Øreplacering | On Ear |
| Frekvensområde | 16 Hz - 20000 Hz |
| Følsomhed | 103 dB |
| Impedans | 60 Ohm |
| Materiale | Faux Leather, Metal, Plastic |
| Varens vægt | 6.4 ounce |
| Kompatible enheder | Laptops, Tablets, Gaming Devices |
| Vandmodstandsniveau | Ikke vandafvisende |
Garanti og 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:
- Besøg www.koss.com for produktregistrering, ofte stillede spørgsmål og kontaktoplysninger.





