Introducció
The DROP + HIFIMAN HE-X4 headphones are designed to deliver high-fidelity audio through planar magnetic drivers. These open-back, over-ear headphones feature detachable cables for versatility and ease of use. This manual provides instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your headphones.

Un acabatview of the DROP + HIFIMAN HE-X4 headphones, showcasing their design and open-back ear cups.
Què hi ha a la caixa
Upon unpacking your DROP + HIFIMAN HE-X4 headphones, please ensure all the following items are present:
- Hifiman HE-X4 Planar Magnetic Over-Ear Headphones
- Detachable 4.9 ft. (1.5 m) 3.5mm audio cable
- ¼ inch (6.35 mm) to ⅛ inch (3.5 mm) adapter
- Manufacturer’s 1-year warranty information

The HE-X4 headphones are shown with their included accessories: the detachable audio cable and the 1/4 inch (6.35mm) adapter for broader compatibility.
Configuració
- Desembalatge: Traieu amb cura tots els components de l'embalatge. Conserveu l'embalatge per a futurs emmagatzematges o transports.
- Connexió per cable:
- Identify the left (L) and right (R) connectors on the detachable audio cable.
- Locate the corresponding input jacks on the bottom of each ear cup.
- Gently insert the 3.5mm connectors into the ear cup jacks until they are secure. Ensure the 'L' and 'R' markings on the cable align with the respective ear cups.

This image illustrates the correct method for connecting the detachable 3.5mm cable to the headphone's ear cup jack, ensuring a secure fit.
- Connexió a la font d'àudio:
- Connect the single 3.5mm end of the audio cable to your desired audio source (e.g., smartphone, laptop, desktop computer, gaming console, tablet).
- If your audio source requires a larger jack, attach the provided ¼ inch (6.35 mm) adapter to the 3.5mm plug before connecting.
- Ajust d'ajust:
- Place the headphones over your ears, ensuring the ear pads fully enclose them.
- Adjust the headband by sliding the ear cups up or down until a comfortable and secure fit is achieved. The headband should rest gently on the top of your head.

A user wearing the HE-X4 headphones, demonstrating the proper over-ear placement for optimal comfort and sound experience.
- Amplification (Recommended): While the HE-X4 headphones are designed to be easy to drive, using a dedicated headphone amplifier can enhance audio quality and volume, especially with certain audio sources.
Instruccions de funcionament
- Portar els auriculars: Position the headphones so that the ear pads fully cover your ears. The open-back design allows for a natural soundstage and air circulation.
- Control de volum: Adjust the volume directly from your connected audio source. The headphones do not feature integrated volume controls.
- Disseny d'esquena oberta: Be aware that the open-back design allows sound to escape and enter. This provides a wider soundstage but offers no noise isolation. It is suitable for quiet environments where ambient sound is not a concern.
Official video demonstrating the physical features and handling of the DROP + HIFIMAN HE-X4 headphones, including cable connection and fit.
Manteniment
- Neteja de les coixinetes de les orelles:
- Gently wipe the ear pads with a soft, dry, lint-free cloth.
- For deeper cleaning, lightly dampNetegeu el drap amb aigua o un netejador suau i no abrasiu. Eviteu la humitat excessiva.

Un detallat view of the HE-X4's ear pad, highlighting the material and construction for proper cleaning and care.
- Cura del cable:
- Avoid sharp bends or excessive pulling on the detachable cables.
- When not in use, coil the cables loosely to prevent tangling and damage.
- Emmagatzematge:
- Guardeu els auriculars en un lloc net i sec, allunyat de temperatures extremes i de la llum solar directa.
- Consider using a headphone stand or case to protect them from dust and accidental damage.
Resolució de problemes
If you encounter any issues with your DROP + HIFIMAN HE-X4 headphones, please refer to the following common troubleshooting steps:
- Sense so:
- Ensure the audio cables are securely connected to both the headphones and the audio source.
- Verifiqueu que la font d'àudio s'està reproduint i que el volum està pujat.
- Test the headphones with a different audio source or cable if available to isolate the problem.
- Distorted or Low Sound Quality:
- Check the audio source's volume and equalizer settings.
- Assegureu-vos l'àudio file or streaming quality is adequate.
- Consider using a headphone amplifier if the sound is consistently too low or lacks dynamics, as some sources may not provide sufficient power.
- Ajust incòmode:
- Adjust the headband and ear cups to find the optimal position on your head.
- Ensure the ear pads are not twisted or improperly seated around your ears.
- Problemes de cable:
- If sound is only coming from one channel, try swapping the left and right cables at the ear cup connection points to determine if the issue is with the cable or the headphone unit.
- Inspect the cables for any visible damage, such as kinks or frayed wires.
Especificacions
| Característica | Detall |
|---|---|
| Nom del model | Drop + HIFIMAN HE-X4 |
| Tipus de controlador d'àudio | Controlador magnètic pla |
| Col·locació de l'orella | Sobre l'orella |
| Factor de forma | Sobre l'orella |
| Tecnologia de connectivitat | Amb cable |
| Conector d'auriculars | 3.5 mm Jack |
| Característica del cable | Desmuntable |
| Impedància | 25 ohms |
| Pes de l'article | 14.8 unces (420 grams) |
| Dimensions del producte | 10.91 x 8.5 x 5.39 polzades |
| Material | Foam, Leather, Stainless Steel |
| Característica especial | Lightweight, Tangle Free Cord, Open-back |
| Dispositius compatibles | Telèfons mòbils, ordinadors de sobretaula, consoles de jocs, ordinadors portàtils, tauletes |
| Control de soroll | None (Open-back design) |
Informació de la garantia
The DROP + HIFIMAN HE-X4 headphones come with a manufacturer's 1-year warranty. This warranty covers defects in materials and workmanship under normal use. Please refer to the warranty information included in your product packaging for full details, terms, and conditions. Keep your proof of purchase for warranty claims.
Suport
For further assistance, technical support, or warranty claims, please contact DROP customer service through their official website or the retailer where the product was purchased. You can also visit the DROP store on Amazon for more information and resources:



