NICEHCK NX7 MK4
NICEHCK NX7 MK4 In-Ear Monitor User Manual
Model: NX7 MK4
1. Producte acabatview
The NICEHCK NX7 MK4 is a high-fidelity in-ear monitor designed for musicians, audiophiles, and gamers, offering a rich and detailed audio experience. It features a sophisticated driver configuration and customizable sound profiles.

Image: The NICEHCK NX7 MK4 In-Ear Monitors, showcasinel seu disseny i factor de forma.
Les característiques clau inclouen:
- Classic Seven Driver Units: Equipped with new beryllium-plated dual dynamic drivers and 4 Balanced Armature (BA) drivers for rich low-mid frequencies and exquisite treble, complemented by a 7-layer Piezoelectric (PZT) driver for gorgeous Ultra High Frequencies (UHF).
- Materials premium: Constructed from stabilized wood, resin, aluminum alloy, and PC, providing a warm and rich sound while ensuring durability and an elegant appearance.
- Disseny ergonòmic: Lightweight and ergonomically shaped for comfortable, extended wear. The soft, tangle-free cable enhances daily usability.
- Àmplia compatibilitat: Features interchangeable cables with 3.5mm single-ended or 4.4mm balanced options, making them versatile for various audio setups.
- So personalitzable: Includes replaceable tuning filters (gold, red, black) to adjust the sound profile to balanced, mid/treble-focused, or bass-heavy preferences.

Image: Diagram illustrating the four different materials used in the construction of the NX7 MK4: stabilized wood, environmental resin, aluminum alloy, and environmental PC.

Image: Comparison chart highlighting improvements of the 4th Generation NX7 MK4 over the 3rd Generation NX7 MK3, including mixed materials, easier drive, and higher sound quality.
2. Contingut del paquet
Si us plau, reviseu el paquet acuradament per assegurar-vos que tots els articles hi són i estan en bon estat.
- NICEHCK NX7 MK4 In-Ear Monitors (1 pair)
- High-fidelity OCC and silver-plated mixed cable (1 unit)
- Replaceable Tuning Filters (Gold, Red, Black - 1 set each)
- Puntes d'orella de silicona (diverses mides)
- Storage Case (1 unit)

Image: The NX7 MK4 In-Ear Monitors displayed with their packaging and the included interchangeable tuning filters.

Image: Close-up of the upscale OCC and silver-plated mixed cable that comes standard with the NX7 MK4, highlighting its braided design.
3. Configuració
3.1 Connexió del cable
- Identify the left (L) and right (R) earpieces. The cable connectors are typically marked.
- Align the 2-pin connector on the cable with the corresponding receptacle on the earpiece. Ensure the pins are correctly oriented.
- Gently push the connector into the earpiece until it clicks securely into place. Do not force it.
- Repetiu el procés per a l'altre auricular.

Imatge: Detallada view of the NX7 MK4's 2-pin detachable design, showing how the cable connects to the earpiece for secure and durable attachment.
3.2 Triar les puntes per a les orelles
Selecting the correct ear tip size is crucial for optimal sound quality and comfort. Experiment with the included silicone ear tips to find the best fit. A good seal ensures proper bass response and passive noise isolation.
3.3 Inserting the In-Ear Monitors
- Introduïu suaument l'auricular al canal auditiu.
- Adjust the earpiece until it feels secure and comfortable, forming a good seal.
- Route the cable over your ear for a more secure fit and to reduce microphonics (cable noise).
4. Instruccions de funcionament
4.1 Ús bàsic
Once the cable is connected and the ear tips are properly seated, plug the 3.5mm or 4.4mm connector into your audio source (e.g., smartphone, digital audio player, computer, gaming console). Adjust the volume on your audio source to a comfortable listening level before placing the IEMs in your ears.

Image: The NX7 MK4 In-Ear Monitors connected to a portable music player, demonstrating typical usage.
4.2 Compatibilitat
The NX7 MK4 is compatible with a wide range of devices that feature a 3.5mm or 4.4mm audio jack. This includes:
- Telèfons mòbils
- Tauletes
- Ordinadors d'escriptori
- Portàtils
- Consoles de jocs
- Televisors
- Altaveus intel·ligents
- Digital Audio Players (DAPs)
5. Tuning Filters
The NICEHCK NX7 MK4 comes with three sets of replaceable tuning filters, allowing you to customize the sound signature to your preference. Each filter subtly alters the frequency response:
- Gold Filter: Proporciona un so equilibrat professionalfile, offering a neutral and natural listening experience. Sensitivity: 112dB/mW.
- Red Filter: Enhances mid and high frequencies, providing a brighter and more detailed sound. Sensitivity: 113dB/mW.
- Black Filter: Boosts bass frequencies, delivering a more impactful and warm sound. Sensitivity: 110dB/mW.
5.1 Changing Filters
- Gently unscrew the currently installed filter from the nozzle of the earpiece.
- Select your desired filter (gold, red, or black).
- Carefully screw the new filter onto the nozzle until it is finger-tight. Do not overtighten.
- Ensure the filter is securely attached before use.

Image: The NX7 MK4 In-Ear Monitors displayed with their packaging and the included interchangeable tuning filters (gold, red, black).
6. Manteniment
6.1 Cleaning the Ear Tips and Nozzles
- Traieu regularment les puntes de les orelles i netegeu-les amb un drap suau iamp drap. Deixeu-les assecar completament abans de tornar-les a enganxar.
- Use a small, soft brush or a cotton swab to gently clean any earwax or debris from the earpiece nozzles. Ensure no moisture enters the earpiece.
6.2 Cura del cable
- Eviteu doblegar o doblegar el cable bruscament, ja que això pot danyar els cables interns.
- Quan l'emmagatzemeu, enrotlleu el cable sense apretar.
- Do not pull the cable directly to disconnect; always grasp the plug.
6.3 Emmagatzematge
When not in use, store your NX7 MK4 IEMs in the provided storage case to protect them from dust, moisture, and physical damage.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| No sound or sound from only one side. |
|
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| Poor sound quality (lack of bass, tinny sound). |
|
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| Uncomfortable fit. |
|
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8. Especificacions

Imatge: Explosió view diagram of the NX7 MK4's classic seven-driver unit configuration, detailing the 4BA, Beryllium-plated Dual Dynamic, and 7-layer PZT drivers.
| Característica | Detall |
|---|---|
| Nom del producte | NICEHCK NX7 MK4 In-Ear Monitors |
| Model | NX7 MK4 |
| Configuració del controlador | 4 Balanced Armature (BA) + 2 Beryllium-plated Dynamic + 1 Seven-layer Piezoelectric (PZT) |
| Impedància | 39Ω |
| Sensitivity (Gold Filter) | 112 dB/mW |
| Sensitivity (Red Filter) | 113 dB/mW |
| Sensitivity (Black Filter) | 110 dB/mW |
| Resposta de freqüència | 20-28 kHz |
| Opcions d'endoll | 3.5 mm o 4.4 mm |
| Longitud del cable | 1.2 m ± 5 cm |
| Material del cable | High-purity silver-plated copper wire and monocrystalline copper wire mixed cable |
| Control de soroll | Cancel·lació passiva de soroll |
| Pes | 318 g (product) |
| Dimensions (embalatge) | 17.02 x 12.7 x 5.59 cm |
9. Garantia i Suport
9.1 Informació de la garantia
NICEHCK products are typically covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to your purchase documentation or the seller's policy for specific warranty terms and duration. Extended warranty options may be available through third-party providers.
- Standard Return Policy: 30 days for refund/replacement.
- Extended Warranty Options: Available for 12 or 24 months against failures and defects.
9.2 Atenció al client
For technical assistance, troubleshooting, or warranty claims, please contact NICEHCK customer support. You can reach them via email:
Correu electrònic: support@nicehck.com
Additional support and information can be found on the official NICEHCK weblloc web o a través dels seus canals de xarxes socials.

Image: Information on NICEHCK's global support and service, including the support email address and social media icons.
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