Koss The Plug In-Ear Headphones: Exceptional Audio in a Colorful Package

Published on Dec. 19, 2023, 10:28 a.m.

Since 1958, Koss has been dedicated to replicating the thrill of a live music performance. The Koss The Plug in-ear headphones aim to bring that concert-like experience to a compact and colorful package.


The Koss The Plug are a wired set of in-ear headphones available in a variety of fun colors. They feature a 10-20,000 Hz frequency range for dynamic audio, memory foam ear cushions for noise isolation, and a 3.5mm connector for universal compatibility.

 Koss The Plug In-Ear Headphones


  • In-ear design - Lightweight and portable to take your music anywhere
  • Vivid color options - Express yourself with colors like red, blue, green, orange, and more
  • Noise isolating - Blocks ambient sound for an immersive listening experience
  • Powerful acoustics - Proprietary Koss drivers deliver booming bass and crisp treble

 Koss The Plug In-Ear Headphones

Remarkable Features

The Koss The Plug In-Ear Headphones stands out for its incredible noise isolation and vibrant sound in an ultra-portable in-ear form factor. The memory foam ear tips are a marvel, molding to the unique contours of your ear for a tailored fit that locks out the outside world. Though tiny, these earbuds pack a sonic punch thanks to Koss’s engineering ingenuity.
 Koss The Plug In-Ear Headphones

Sleek, Discreet Design

Designed for music lovers on the move, the streamlined shape of the Koss The Plug In-Ear Headphones allows them to fit totally flush within the ear. Their matte anti-fingerprint finish adds subtle sophistication, while punchy colors like electric blue and lime green inject personality. Despite their petite size, clever internal acoustics give these earbuds hi-fi sound that defies expectations.

Effortless Usability

The Koss The Plug In-Ear Headphones keeps operation blissfully simple. Just choose between the included small and large memory foam eartips, pop them in your ears, plug the 3.5mm connector into your device, and start listening! The standard headphone jack offers universal compatibility with smartphones, tablets, laptops, and virtually any stereo.

Superb Audio Quality

Koss equips these mini in-ear headphones with their proprietary dynamic drivers to deliver excellent sonic performance. The 10-20,000 Hz frequency range captures deep, pulsating bass and crystalline treble. Vocals sound natural and nuanced. You’ll hear details in your music you never noticed before.

Noise Isolation

Thanks to the uncanny noise isolating fit, the Koss The Plug In-Ear Headphones provide serenity even in loud environments. The memory foam tips prevent ambient noise from interfering as you indulge in your favorite playlists or podcasts. No need to blast the volume to compensate.
 Koss The Plug In-Ear Headphones


Koss - Founded in 1958 in Milwaukee, Wisconsin, Koss is an audio brand best known for making the world’s first stereo headphones. They continue to be leaders in headphone innovation.

Use Cases

The Koss The Plug In-Ear Headphones are perfect for listening to music or podcasts on the go. Their noise isolating abilities make them ideal for noisy environments like planes, trains, or the gym, allowing you to hear every detail without cranking up the volume. They also work well for at-home listening when you want to hear your favorite tunes without disturbing others.

User Feedback Analysis

Overall, the Koss The Plug In-Ear Headphones receive consistently positive feedback, especially considering their budget-friendly price point. Many satisfied buyers are simply wowed that such tiny earbuds can produce expansive, detailed sound.

The noise isolation ability of the memory foam tips draws consistent praise. Users report the snug in-ear fit effectively blocks out external noise, from chatterty offices to the roar of airplane engines. This allows listeners to fully immerse in their audio content without cranking up the volume.

Comfort is another common compliment. Reviewers say the flexible foam tips cushion the ear canal without causing pain, even during marathon listening sessions. They appreciate the lightweight, low-profile design as well.

In terms of critical feedback, durability is the primary complaint. While some report getting over a year of consistent use, others say the wiring frays and audio cuts out after just 3-6 months. A few users with small ear canals find the earbuds irritate their ears after prolonged use.

Overall though, for such an inexpensive product, most agree the audio fidelity and noise isolation of the Koss The Plug In-Ear Headphones punches far above its price point. Many satisfied reviewers call them an unbelievable value and the perfect earbuds for listening on the go. The consensus is clear - these little headphones deliver astonishingly big sound. Considering their miniscule $10 price tag, the Koss The Plug In-Ear Headphones exceed expectations and provide impressive performance.


  • Great audio fidelity
  • Effective noise cancelling
  • Comfortable memory foam ear tips
  • Fun color options
  • Universal 3.5mm connector
  • Extremely affordable price


  • Prone to fraying/damage over time
  • Foam ear tips may hurt some users’ ears during extended wear


At around $10 USD, the Koss The Plug In-Ear Headphones provide tremendous value for money. You get high-end audio performance and noise isolation at a fraction of the cost of premium brands. For budget-focused buyers, these earbuds deliver impressive quality for the price.

 Koss The Plug In-Ear Headphones


With excellent audio reproduction, noise isolation, and customizable style, the Koss The Plug in-ear headphones are a budget-friendly way to upgrade your listening experience. If you want big sound in a small package, these earbuds deliver.

 Koss The Plug In-Ear Headphones


  • Frequency response: 10-20,000 Hz
  • Impedance: 16 ohms
  • Sound pressure level: 112 dB
  • Cord length: 4 ft (1.2 m)
  • Connector: 3.5mm headphone jack
  • Driver: Koss proprietary dynamic element
  • Ear cushions: Memory foam (included sizes L and M)

Box Contents

The Koss The Plug In-Ear Headphones package includes:

  • The Plug in-ear headphones
  • 2 pairs of memory foam eartips (size L and M)
  • Carrying pouch

How to Use

  1. Choose the memory foam eartip that fits most comfortably in your ear canal.

  2. Insert the earbuds, adjust until they seal your ear canal.

  3. Plug the 3.5mm connector into your smartphone, stereo, or other audio device.

  4. Adjust volume to a comfortable listening level.

  5. When finished, remove earbuds carefully and store in carrying pouch. Clean with a dry cloth as needed.