DUNU DK-4001 4BA+1DD Hybrid Sports Wired In-Ear Earphone with MMCX Detachable Cable

DUNU DK-4001 4BA+1DD Hybrid Sports Wired In-Ear Earphone with MMCX Detachable Cable

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$854.00 $899.00
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Feature:

Structure:

BA and Dynamic driver Hybrid system, precise low-frequency control technology, with sophisticated parts, brings you uncompromising sound level.
 

 

Accurate and exquisite full frequency performance:

Hybrid system, high performance of 13mm beryllium diaphragm dynamic, with 4 high frequency/ ultra-high frequency balanced armature drivers.


Beryllium diaphragm dynamic driver:

The newly developed beryllium diaphragm dynamic driver, with a diameter of 13mm, brings accurate low-frequency reduction and rich medium-frequency details, allowing players to experience unprecedented extremely low-frequency response and strong acoustic performance.


Knowles balanced armature driver:

Four Knowles currently high-end high-frequency and ultra-high frequency balanced armature drivers achieved accurate high-frequency and ultra-high frequency reduction, greatly improve the density of audio and ultra-high frequency, and show natural and exquisite sound.


Zirconium alloy liquid metal:

The precision machined of liquid zirconium alloy cavity can greatly reduce the weight of the cavity, but at the same time, the strength of the cavity reaches three times of stainless steel to effectively suppress harmonic resonance, and the acoustic performance is outstanding.


Air charging loop system -A.C.I.S:

The unique A.C.I.S in the back cavity, together with excellent performance 13mm beryllium diaphragm dynamic driver, makes the low-frequency diving and sense feeling more excellent. Creating infinite possibilities in a limited space has always been the pursuit of Dunu engineers.


FeaturePatented self-locking quick replaceable plug:

Dk-4001 headphone wire rod is designed with self-locking quick replaceable plug, which has both high appearance level and reliability. Four plugs (3.5mm single end /2.5mm balanced /4.4mm balanced / 3.5pro balanced) comprehensive consideration of the mainstream Walkman balance standard, convenient for players to adapt to a variety of players.


Single crystal copper and pure silver mixed braided cable:

Dk-4001 is equipped with high-purity Furukawa Single crystal copper and pure silver braided cable, which can reduce transmission loss and ensure sound quality. The wire is wrapped with a single crystal copper shielding layer to isolate external electromagnetic interference, makes the sound background cleaner, escorts music signal transmission.


Comfortable wearing experience:

Application lightweight materials, with ergonomically-designed shape, comfortable to wear, wear for a long time is not tired, suitable for listening for a long time.

 

 

Hand-made leather case:

Selected the goatskin, it is soft leather, handmade, exquisite and unique, reasonable volume, convenient storage.


Customize the SpinFit earbuds:

Dk-4001 comes with customized SpinFit eartips, optimized for multi-driver earphone design, comfortable to wear, soft sound.


Practical and abundant accessories:

Dk-4001 packaging is equipped with a variety of practical and rich accessories, leather case, custom eartips, nameplate, Aircraft plug, cleaning tools, everything, to meet the needs of the user.

 

 

Specification:

Model: DK4001
Driver: beryllium diaphragm dynamic driver and 4 Knowles balanced armature
Impedance: 32 Ω
The dB value: 112 dB @ 1 KHZ
Frequency response: 5Hz-40k Hz
THD: < 0.3% @ 1 KHZ
Connector: MMCX expansion pin
Cable: single crystal copper& pure silver mixed
Cable length: about 1.2m
Net weight: about 12g

 

Package:

DK4001 Earphone
Plug *4
Aircraft plug
6.35 plug
Cleaning brush
SpinFit silicone eartips L/M/S*2
Gray silicone eartips L/M/S*2
T500 foam *2
Leather case

Feature:

Structure:

BA and Dynamic driver Hybrid system, precise low-frequency control technology, with sophisticated parts, brings you uncompromising sound level.
 

 

Accurate and exquisite full frequency performance:

Hybrid system, high performance of 13mm beryllium diaphragm dynamic, with 4 high frequency/ ultra-high frequency balanced armature drivers.


Beryllium diaphragm dynamic driver:

The newly developed beryllium diaphragm dynamic driver, with a diameter of 13mm, brings accurate low-frequency reduction and rich medium-frequency details, allowing players to experience unprecedented extremely low-frequency response and strong acoustic performance.


Knowles balanced armature driver:

Four Knowles currently high-end high-frequency and ultra-high frequency balanced armature drivers achieved accurate high-frequency and ultra-high frequency reduction, greatly improve the density of audio and ultra-high frequency, and show natural and exquisite sound.


Zirconium alloy liquid metal:

The precision machined of liquid zirconium alloy cavity can greatly reduce the weight of the cavity, but at the same time, the strength of the cavity reaches three times of stainless steel to effectively suppress harmonic resonance, and the acoustic performance is outstanding.


Air charging loop system -A.C.I.S:

The unique A.C.I.S in the back cavity, together with excellent performance 13mm beryllium diaphragm dynamic driver, makes the low-frequency diving and sense feeling more excellent. Creating infinite possibilities in a limited space has always been the pursuit of Dunu engineers.


FeaturePatented self-locking quick replaceable plug:

Dk-4001 headphone wire rod is designed with self-locking quick replaceable plug, which has both high appearance level and reliability. Four plugs (3.5mm single end /2.5mm balanced /4.4mm balanced / 3.5pro balanced) comprehensive consideration of the mainstream Walkman balance standard, convenient for players to adapt to a variety of players.


Single crystal copper and pure silver mixed braided cable:

Dk-4001 is equipped with high-purity Furukawa Single crystal copper and pure silver braided cable, which can reduce transmission loss and ensure sound quality. The wire is wrapped with a single crystal copper shielding layer to isolate external electromagnetic interference, makes the sound background cleaner, escorts music signal transmission.


Comfortable wearing experience:

Application lightweight materials, with ergonomically-designed shape, comfortable to wear, wear for a long time is not tired, suitable for listening for a long time.

 

 

Hand-made leather case:

Selected the goatskin, it is soft leather, handmade, exquisite and unique, reasonable volume, convenient storage.


Customize the SpinFit earbuds:

Dk-4001 comes with customized SpinFit eartips, optimized for multi-driver earphone design, comfortable to wear, soft sound.


Practical and abundant accessories:

Dk-4001 packaging is equipped with a variety of practical and rich accessories, leather case, custom eartips, nameplate, Aircraft plug, cleaning tools, everything, to meet the needs of the user.

 

 

Specification:

Model: DK4001
Driver: beryllium diaphragm dynamic driver and 4 Knowles balanced armature
Impedance: 32 Ω
The dB value: 112 dB @ 1 KHZ
Frequency response: 5Hz-40k Hz
THD: < 0.3% @ 1 KHZ
Connector: MMCX expansion pin
Cable: single crystal copper& pure silver mixed
Cable length: about 1.2m
Net weight: about 12g

 

Package:

DK4001 Earphone
Plug *4
Aircraft plug
6.35 plug
Cleaning brush
SpinFit silicone eartips L/M/S*2
Gray silicone eartips L/M/S*2
T500 foam *2
Leather case

1.Price and Payment.

Product shall be sold to Buyer at the prices quoted to Buyer upon acceptance of each Order. shenzhenaudio.com reserves the right to change the prices for products from time to time. Prices are stated in United States dollars and payment shall be made in United States currency. Unless other payment terms are previously agreed in writing by shenzhenaudio.com, Buyer shall make full payment in advance for all products ordered. In the event Buyer does not make timely payments, shenzhenaudio.com may, in addition to all other remedies provided at law, either: (1) declare Buyer’s performance in breach and terminate an Order for default; (2) repossess the goods for which payment has not been made; (3) withhold future shipments under an Order until delinquent payments are made; (4) deliver future shipments under an Order on a cash with order or cash in advance basis even after the delinquency is cured; (5) charge interest on the delinquency at a rate of 1½% per month or the maximum rate permitted by law, if lower, for each month or part thereof of delinquency in payment plus applicable storage charges, or inventory carrying charges; or (6) recover all costs of collection including reasonable attorney’s fees; and (7) at shenzhenaudio.com’s option, combine any of the above rights and remedies as provided by law.

2.Delivery.

2.1 Date. Any delivery date stated in any document (including an Order) is approximate only and shall not constitute any guarantee of delivery on any particular date.
2.2 Terms. Delivery shall be DHL, EMS, Singapore Post, UPS and Fedex.

3.Taxes.

Buyer shall be responsible for, and shall pay, any taxes (sales, excise, use, etc.) and any export or import dues that may be applicable to the sale and/or delivery of the products. Accordingly, shenzhenaudio.com reserves the right to revise its price after the execution of an Order between the parties to include any and all taxes or duties that may become due hereunder and shenzhenaudio.com may invoice Buyer for said additional amount. This clause shall survive the acceptance and complete performance of an Order by the parties herein.

4.Return Policy.

All of our products are One Year Warranty.
For the first 30 days from the date of purchase, most items may be returned for either money back* or exchange* subject to the following conditions.
• Any item returned must be complete with all accessories, hardware, manuals or instructions, and in the same "new" condition as when it was when shipped to you.
• Any item returned incomplete or with physical damage such as scratches etc., excessive signs of use or abuse will not be accepted for return.
• If the item is returned without its complete original packaging (original box, foam padding etc.), a re-stocking fee of 25% will apply.
• Any "Special Order" item returned is subject to a 35% restocking fee, plus an additional 10% if returned without its complete original packaging (original box, foam padding etc.)
Any item returned will be evaluated upon receipt. Of course, we cannot give refunds on defective merchandise resulting from mishandling, misuse, tampering or improper use.
Items should be shipped insured for full value as they are your responsibility until we receive them.
We will ship your replacement free of charge should you opt for an exchange.
After the initial 30 day period and up to one year from the purchase date, we will repair or replace the item at our discretion.*
All warranty is administered in China directly by SHENZHENAUDIO. Please contact support@shenzhenaudio.com.
*shipping charges are not included.