- Home Page /
- Electronics & Photo /
- Headphones, Earphones & Accessories /
- Headphones & Earphones /
- In-Ear Headphones /
- Koss "KH4020" In-Ear Wired Earbuds, Black
0 ratings
Item #:
76296284
Koss "KH4020" In-Ear Wired Earbuds, Black
85% of respondents would recommend this to a friend
Item #:
76296284
XCD 104
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from UK
0 ratings
Write a review
In stock
Imported from UK store
QTY:
Order now and get it around Saturday, November 21
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
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.
-
Commute Users
Ideal for daily commuters who want to enjoy audio without interruption from surrounding noises on public transport.
-
Budget-Conscious Shoppers
Offers an affordable option for quality audio experience without compromising sound performance or comfort.
-
Audiophiles
May lack the nuanced sound quality that audiophiles expect from higher-end, premium headphones or earphones.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
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 Montserrat?
Answer: Yes, at Ubuy Montserrat 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
-
5 Star
53%
-
4 Star
20%
-
3 Star
11%
-
2 Star
10%
-
1 Star
6%
Review this product
Share your thoughts with other customers
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
DH
Diana
Verified buyer
“I have, in fact, had bad experiences on several occasions with service providers or shipping companies from America—definitely—but this is the first and only reputable and reliable company I have encountered so far; huge praise for their work. ”
23 October 2026 · via Trustpilot
JS
Jarl
Verified buyer
“Fast shipping and A+ product. ”
24 Oct 2026 · via Trustpilot
B
Botibita
Verified buyer
“Great Range of Products and Excellent Service. The ordering and delivery process was excellent! I was able to purchase an item that I couldn’t find locally, and everything went smoothly from purchase to delivery. Thank you for the excellent service! ”
24 October 2026 · via Trustpilot
A
Agnes
Verified buyer
“Reliable website, great articles. Timeline Mitopure Urolithin A Supplement Softgels is a wonderful product.”
25 October 2026 · via Trustpilot
C
Colin
Verified buyer
“Great service from start to finish. ”
26 October 2026 · via Trustpilot
WHY SHOP WITH US
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
XCD 104
Order now and get it around Saturday, November 21
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.