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Description
DUNU DK4001 HiFi Audio Hi-Res Beryllium PVD 5 Driver Hybrid EarphoneFunction: For Mobile Phone Function: Monitor Headphone Function: HiFi Headphone Function: Sport Function: Common Headphone Waterproof: No Active Noise Cancellation: Yes Support Memory Card: No Connectors: 3. 5mm Line Length: 1. 2m Frequency Response Range: 5 40000Hz Control Button: No Plug Type: L Bending Vocalism Principle: Hybrid technology Sensitivity: 112dB Wireless Type: None Support APP: No Model Number: DK4001 Style: Ear Hook Resistance: 32
---SpecificationsSplit---
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.
Patented MMCX Expansion Pin
Standard MMCX interface, as well as maintain a wide range of compatibility and improve reliability, greatly improve the service life.
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.
Specifications:
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 List:
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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Arrived whole
Style: Tree Pattern, Style: Tree Pattern
I noticed several posts where the holder was cracked and damaged. mine arrived fine but it came inside a larger box due to other items arriving with it so not sure it that helped, for future buyers.
We've been remodeling our kitchen for over 1yr and a half. Most of the items I have were passed down when my mother passed. The silverware I had didn't match and it drove me nuts. I finally was at the point I could afford to replace all of it. So tossed it all out when these arrived.
These are nice looking, very strong and feel of good quality. I picked the hammered look and black since the colors in the kitchen are steel, black appliances and the cabinets are a blue with marble counter. We bought marble dishes and wanted something other than steel silverware. Though the black, at a glance looks like plastic silverware due to how shiny they are. But I am happy.
#1 thing that sold me were the steak knives. Serrated knives in set like these are usually just four. The teeth on these are sharp and when I used one on a cold cooked chicken breasts it cut through nicely and shredded it fine without issue.
Most sets are usually just four of everything. I have family members every who come over every so often and we would like to host friends once in a while as well. So we needed more than four which at times is hard to come by.
I also wash my dishes by hand. I haven't used a dishwasher in 22 yrs, so when remodeling I didn't waste money buying one. So far with washing these by hand, I have had no issue. No rust or odd spotting and no coloring chipped. So would likely suggest washing these by hand if others have issues with them in the dishwasher.
For the price, the quality and the quantity, that alone is a steal for me. I didn't care if the holder arrived broken or not. Even if it didn't have the holder I would pay the same and buy this set.
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Reviewed in the United States on December 22, 2024
★★★★★ 4
Good value
Style: Heavy Duty
Nice set. The storage tray is too small for 18” drawers and too big for 15” drawers. Could be trimmed to fit the 15” drawer without impacting functionality. Has steak knives and butter knives but the butter knives will cut any steak I’ve ever had. Salad forks seem small to me but none of my guests commented on it.
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Reviewed in the United States on December 23, 2025
★★★★★ 5
Very nice!
Style: Heavy Duty
Great product great value I am very impressed. I know this sounds corney but they just feel better. No sharp edges.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Kitchen finds
Style: Heavy Duty
I absolutely love the size, finish and sharpness of this set. There’s nothing worse than a knife or fork that can’t cut through a piece of meat and it’s tender: easy fitting grip and use. Dishwasher safe. I’ve already purchased a second set. lol
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Reviewed in the United States on May 14, 2026
★★★★★ 5
I would definitely buy this again
Style: Heavy Duty
Perfect silverware set. The look, the simplicity. It’s everything I wanted.
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Reviewed in the United States on May 22, 2026