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- Koss "KH4020" In-Ear Wired Earbuds, Black
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Item #:
76296284
Koss "KH4020" In-Ear Wired Earbuds, Black
85% of respondents would recommend this to a friend
Item #:
76296284
NZD 68
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*All items will import from UK
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Imported from UK store
QTY:
Order now and get it around Saturday, November 21
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What Stands Out
Noise Isolation
The Plug Noise headphones effectively block ambient noise, ensuring immersive sound quality and an uninterrupted listening experience, making them ideal for music lovers and commuters alike.
Wide Compatibility
Equipped with a 3.5 mm jack, these headphones seamlessly connect with various devices such as iPhones, iPads, and MP3 players, offering versatility for users across different platforms.
Comfortable Fit
Designed with an ergonomic shape, The Plug ensures a secure and comfortable fit for extended use, reducing ear fatigue during long listening sessions without compromising audio quality.
Product Details
| Brand Name | Koss |
| Model Number | 156407 |
| Model Name | The Plug |
| Box Contents | Koss The Plug In-Ear Headphones (Black) |
| Age Range Description | Adult |
| Country of Origin | China |
| Customer Package Type | Standard Packaging |
| Number of Items | 1 |
| Series Number | 156407 |
| UPC | 021299147450 984064817821 746775251215 021299147573 021299139578 424061719600 |
| Global Trade Identification Number | 00021299147573, 04007249144508 |
| Manufacturer | Koss |
| Is Autographed | No |
| Item Type Name | headphones |
| Item Weight | 0.04 Kilograms |
| Headphones Ear Placement | In Ear |
| Headphone Form Factor | In Ear |
| Earpiece Shape | In-Ear |
| Control Type | Volume Control |
| Control Method | Push Button |
| Controller Type | Touch |
| Impedance | 16 Ohms |
| Noise Control | Sound Isolation |
| Frequency Response | 20000 Hz |
| Sensitivity | 112 dB |
| Audio Driver Type | Dynamic Driver |
| Frequency Range | [20, 2E+4] Hz |
| Enclosure Material | iphone |
| Specific Uses For Product | Music |
| Antenna Location | Exercising |
| Compatible Devices | MP3 Players, iPhones, iPads, iPods, Samsung Smartphones |
| Cable Features | Tangle Free |
| Water Resistance Level | Waterproof |
| Carrying Case Material | fabric |
| Product Features | Lightweight |
| Headphone Jack | 3.5 mm Jack |
| Network Connectivity Technology | Jack |
| Wireless Technology Type | Bluetooth |
| Bluetooth Version | 4.0 |
| Colour | Black |
| Style Name | Intraaural |
| Carrying Case Color | Black |
| Theme | Black |
| Unit Count | 1.0 count |
| Brand | Koss |
| Ear placement | In Ear |
| Form factor | In Ear |
Who Should Buy?
-
Frequent Travelers
Effective noise isolation makes these headphones perfect for enjoying music or podcasts during flights and train journeys.
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Commute Users
Ideal for daily commuters who want to enjoy audio without interruption from surrounding noises on public transport.
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Budget-Conscious Shoppers
Offers an affordable option for quality audio experience without compromising sound performance or comfort.
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Audiophiles
May lack the nuanced sound quality that audiophiles expect from higher-end, premium headphones or earphones.
Product Description
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Customer Questions & Answers
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Question:
How to Shop Koss "KH4020" In-Ear Wired Earbuds, Black Online From Ubuy?
Answer: It’s easy to shop Koss "KH4020" In-Ear Wired Earbuds, Black online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location. -
Question:
Is Koss "KH4020" In-Ear Wired Earbuds, Black Available to Shop Online in New Zealand?
Answer: Yes, at Ubuy New Zealand this product is available for you to shop at a reasonable price. The Koss "KH4020" In-Ear Wired Earbuds, Black is not available locally but you can trust us with our express shipping services. -
Question:
How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
Koss In-Ear Headphones 156407 Editorial Review
The Koss "The Plug Noise" Isolating In-Ear Headphones have received mixed reviews from customers. On the positive side, many customers appreciated the unique design of the ear tips, which expand to fit the shape of the ear after being squashed. This feature ensures a good fit and comfort for the user. Some users mentioned that these headphones lasted them for several years, which is a testament to their durability. However, there are also some negative feedbacks regarding the overall sound quality of the headphones. Several users mentioned that the sound was muddled and unclear, lacking distinct separation between different frequencies. The bass was said to lack control, while the mids and treble were lacking in quality. Some users compared the sound to that of free earbuds, stating that the only standout feature was the low bass. Despite the mixed reviews, many customers still found these headphones to be a great value for the price. They appreciated the clear sound quality at all frequencies and the longevity of the product. Some users even mentioned that they would happily pay more for these headphones. Overall, the Koss "The Plug Noise" Isolating In-Ear Headphones offer a unique design and a durable build. However, the sound quality may not satisfy everyone's expectations, with some users finding it muffled and lacking in distinctiveness. Despite this, the headphones are still Considered a good budget option for those looking for comfortable and long-lasting earplugs.
Customer Reviews & Ratings
1900 customers ratings
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5 Star
53%
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4 Star
20%
-
3 Star
11%
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2 Star
10%
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1 Star
6%
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Pros
- Unique ear tip design that expands for a good fit
- Durable build that can last for several years
- Clear sound quality at all frequencies
- Comfortable noise reduction system
Cons
- Sound quality may be muffled and lacking in distinctiveness
Platform Trust & Buyer Confidence
NR
Niccole
Verified buyer
“Great service tracking was provided as soon as it shipped it works well and is as pictured”
23 September 2026 · via Trustpilot
SW
Shelly
Verified buyer
“This was the first time I used Ubuy and I was very happy to find the products I wanted that weren’t available in NZ but through Ubuy I was able to purchase them and have them sent to me. They arrived within a reasonable time. I would definitely use Ubuy again.”
02 October 2026 · via Trustpilot
S
Simon
Verified buyer
“The product arrived promptly in good order well packaged”
04 October 2026 · via Trustpilot
CD
CP Dahiroc
Verified buyer
“Great service quick delivery. The platform clog is fab it looks great on my feet”
05 October 2026 · via Trustpilot
MN
Mantas
Verified buyer
“Fast and easy service”
07 Oct 2026 · via Trustpilot
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NZD 68
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