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Koss "KH4020" In-Ear Wired Earbuds, Black
Item #: 76296284

Koss "KH4020" In-Ear Wired Earbuds, Black

Item #: 76296284
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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

Shop Koss KH4020 In-Ear Wired Earbuds, Black online at a best price in Oman. B00001P4XA
Brand NameKoss
Model Number156407
Model NameThe Plug
Box ContentsKoss The Plug In-Ear Headphones (Black)
Age Range DescriptionAdult
Country of OriginChina
Customer Package TypeStandard Packaging
Number of Items1
Series Number156407
UPC021299147450 984064817821 746775251215 021299147573 021299139578 424061719600
Global Trade Identification Number00021299147573, 04007249144508
ManufacturerKoss
Is AutographedNo
Item Type Nameheadphones
Item Weight0.04 Kilograms
Headphones Ear PlacementIn Ear
Headphone Form FactorIn Ear
Earpiece ShapeIn-Ear
Control TypeVolume Control
Control MethodPush Button
Controller TypeTouch
Impedance16 Ohms
Noise ControlSound Isolation
Frequency Response20000 Hz
Sensitivity112 dB
Audio Driver TypeDynamic Driver
Frequency Range[20, 2E+4] Hz
Enclosure Materialiphone
Specific Uses For ProductMusic
Antenna LocationExercising
Compatible DevicesMP3 Players, iPhones, iPads, iPods, Samsung Smartphones
Cable FeaturesTangle Free
Water Resistance LevelWaterproof
Carrying Case Materialfabric
Product FeaturesLightweight
Headphone Jack3.5 mm Jack
Network Connectivity TechnologyJack
Wireless Technology TypeBluetooth
Bluetooth Version4.0
ColourBlack
Style NameIntraaural
Carrying Case ColorBlack
ThemeBlack
Unit Count1.0 count
BrandKoss
Ear placementIn Ear
Form factorIn Ear

Who Should Buy?

Suitable For
  • 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.

Not Suitable For
  • 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 Oman?

    Answer: Yes, at Ubuy Oman 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

4.0
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

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4.3/5 9928 reviews
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Mona
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“Everything was efficient and fast. ”

05 November 2026 · via Trustpilot
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Music
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“The prices—including shipping costs and customs duties—are clear from the very beginning, with no hidden fees. I highly recommend using their services. My experience with the "Ubuy" website was excellent. I purchased a PRS USA Swamp Ash Special guitar, and it arrived in just 11 days. The shipping service was fantastic, and the product arrived in perfect condition. What I particularly appreciated about the site is that the prices—including shipping costs and customs duties—are clear from the very beginning, with no hidden fees. I highly recommend using their services.”

05 November 2026 · via Trustpilot
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William
Verified buyer

“I can't fault this purchase. Had a scarce part i needed, cheaper than i could source it in the UK, ordered and was followed up with great communication and speedy delivery of a very well packaged part.”

06 November 2026 · via Trustpilot
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Andrew
Verified buyer

“Fast delivery, good and secure packaging, everything was fine and with no problems.”

06 November, 2026 · via Trustpilot
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Stephen
Verified buyer

“I am very happy with my insoles purchase, they make my work boots very comfortable and soft to walk on and even mitigate the vibration from driving the truck all day. I would highly recommend this company for online purchases, reliability of product delivery and value for money.”

07 November 2026 · via Trustpilot

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