1. Introducció
This manual provides instructions for the GZCRDZ K20 Wired Gaming Headset. It covers setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device. The K20 headset features a wired connection, an adjustable microphone, RGB lighting, and is designed for comfort during extended use.

Image: GZCRDZ K20 Wired Gaming Headset. This image displays the overall design of the headset, highlighting the adjustable microphone and the RGB lighting on the earcups.
2. Característiques del producte
- Adjustable Omnidirectional Microphone: Designed to reduce echo and background noise, providing clear voice communication for in-game chats.
- 40mm Magnetic Neodymium Drivers: Delivers clear audio with strong bass, enabling accurate sound positioning for an immersive gaming experience.
- Orelles còmodes: Skin-soft, breathable earmuffs provide comfort for extended wear and offer good acoustic insulation.
- Diadema ajustable: Features a thickened sponge support and an adjustable head beam to fit various head sizes.
- Il·luminació LED RGB: Color-changing LED lights on the earcups enhance the gaming atmosphere.
- Àmplia compatibilitat: Compatible with smartphones, laptops, PS4, Nintendo Switch, Xbox One (adapter may be required), and other audio devices with a 3.5mm port.

Image: Icons illustrating key features of the K20 headset, including HD Sound, Adjustable Microphone, Adjustable Volume, Durable Wire, and Comfortable design.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- 1 x GZCRDZ K20 Wired Gaming Headset
- 1 x Audio Cable (integrated 3.5mm 4-pin jack and USB for LED power)
- 1 x Manual d'usuari
4. Instruccions de configuració
Follow these steps to connect your K20 Gaming Headset to your device.
4.1 Connecting to Smartphones, PS4, Nintendo Switch, iPad, or Xbox One (with adapter)
- Locate the 3.5mm 4-pin audio jack on your headset cable.
- Plug the 3.5mm audio jack directly into the corresponding port on your smartphone, PS4 controller, Nintendo Switch, iPad, or Xbox One controller (an adapter may be required for some Xbox One controllers, sold separately).
- The USB connector is for powering the RGB LED lights only and is not required for audio functionality. If your device has a USB port, you can connect it to activate the lights.

Image: Diagram showing the K20 headset's 3.5mm jack connecting to a smartphone, iPad, Nintendo Switch, PS4, and Xbox One (with adapter). The USB cable is shown separately for LED power.
4.2 Connecting to PC or Laptop
- For PC or laptop connections, you will typically need a 3.5mm audio splitter cable (not included) if your computer has separate ports for microphone and headphones.
- Plug the headset's 3.5mm 4-pin jack into the splitter.
- Connect the splitter's headphone jack (usually green) to your computer's headphone output.
- Connect the splitter's microphone jack (usually pink) to your computer's microphone input.
- Plug the USB connector into an available USB port on your PC or laptop to power the RGB LED lights.
- Adjust audio settings in your operating system to select the headset as the default playback and recording device.

Image: Diagram illustrating how to connect the K20 headset to a PC or laptop using a 3.5mm audio adapter (splitter) for separate audio and microphone inputs, and the USB for LED power.
5. Instruccions de funcionament
5.1 Ús del micròfon
- The K20 headset features an adjustable omnidirectional microphone.
- To position the microphone, gently rotate the microphone arm up or down to bring it closer to your mouth for optimal voice pickup. The microphone can rotate up to 120 degrees.
- Ensure the microphone is enabled in your device's audio settings.

Imatge: Primer pla view of the K20 headset's adjustable omnidirectional microphone, demonstrating its 120-degree rotation capability.

Image: Illustration of the noise-canceling microphone, showing how it reduces background noise for clearer communication. Includes a visual representation of noise cancellation before and after processing.
5.2 Control de volum
The headset includes an in-line volume control wheel on the cable. Rotate the wheel up to increase volume and down to decrease volume.
Il·luminació LED RGB 5.3
The RGB LED lights on the earcups are powered via the USB connector. Plug the USB connector into an available USB port on your device to activate the lighting effect. The lights will cycle through colors automatically.

Image: The K20 headset displaying its colorful RGB LED lighting on the earcups, enhancing its aesthetic appeal.
6. Manteniment
Una cura i un manteniment adequats allargaran la vida útil dels vostres auriculars.
- Neteja: Use a soft, dry cloth to wipe down the headset. For earmuffs, a slightly damp es pot fer servir un drap, però assegureu-vos que no entri humitat a les reixetes dels altaveus. No utilitzeu productes químics agressius ni netejadors abrasius.
- Emmagatzematge: Guardeu els auriculars en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes. Eviteu col·locar objectes pesats a sobre dels auriculars.
- Cura del cable: Eviteu doblegar el cable bruscament o estirar-lo massa per evitar danys.
- Cura del micròfon: When not in use, gently fold the microphone arm away from your face to prevent accidental damage.
7. Solució De Problemes
Si teniu problemes amb els auriculars, consulteu els problemes i solucions més comuns següents:
7.1 No hi ha so dels auriculars
- Comproveu les connexions: Ensure the 3.5mm audio jack is fully inserted into the correct port on your device. For PC, verify the splitter cables are correctly connected.
- Nivells de volum: Check the in-line volume control wheel on the headset cable and ensure it is turned up. Also, check your device's system volume.
- Configuració de sortida d'àudio: Verify that the headset is selected as the default audio output device in your computer's or console's sound settings.
- Prova en un altre dispositiu: Prova de connectar els auriculars a un altre dispositiu per determinar si el problema és amb els auriculars o amb el dispositiu original.
7.2 El micròfon no funciona
- Comproveu les connexions: Ensure the 3.5mm audio jack is fully inserted. For PC, confirm the microphone splitter cable is correctly connected to the microphone input.
- Posició del micròfon: Adjust the microphone arm to ensure it is positioned correctly near your mouth.
- Microphone Input Settings: In your device's sound settings, ensure the headset microphone is selected as the default input device and that its volume is not muted or set too low.
- Configuració de l'aplicació: Some applications (e.g., gaming clients, communication software) have their own microphone settings. Check these to ensure the correct microphone is selected and unmuted.
7.3 RGB LED Lights Not On
- Connexió USB: Ensure the USB connector is securely plugged into a powered USB port on your device. The RGB lights require USB power to function.
- Funcionalitat del port USB: Try plugging the USB connector into a different USB port or a different device to rule out a faulty USB port.
8. Especificacions
Detailed technical specifications for the GZCRDZ K20 Gaming Headset:
| Model: | K20 |
| Diàmetre de l'altaveu: | 40 mm |
| Interval de freqüència: | 20-20KHz |
| Sensibilitat: | 118 ± 3 dB |
| Impedància: | 32Ω±15% |
| Microphone Diameter: | 6.0 x 5.0 mm |
| Sensibilitat del micròfon: | -38 ± 3dB |
| Impedància del micròfon: | 2.2 KΩ |
| Direccionalitat: | Omnidireccional |
| Corrent de treball: | ≤100mA |
| Endoll d'entrada: | 3.5mm 4-Pin + USB (for LED) |
| Connectivitat: | Amb cable |
| Color: | Negre |
| Col·locació de les orelles: | Sobre l'orella |
| Tipus de control: | Control de volum |
9. Garantia i Suport
For warranty information or technical support, please contact the retailer or manufacturer directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Manufacturer: GZCRDZ