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The headphones are targeted for pure music audiophiles of all ages.

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Provides excellent sound isolation, especially considering the price - expanding foam ear tips offer a pseudo-customized fit

2 agree

Sleek, classy aesthetic is a major selling point - unit is a much-welcomed departure from the overdone "egg-shaped" earbud style

2 agree

Excellent sound outputting at the price point - frequencies are clear and well-balanced, with a considerable amount of bass presence when earbuds are properly seated

2 agree
  • Only 3 words are allowed.

Many users report difficult when trying to "seat" the earbuds - unit requires a fair amount of "play" to attain optimal placement

2 agree

Bass output borders on overwhelming for some listeners - several users are forced to cover the unit's port-holes with tape to minimize "boominess"

2 agree

Headphone wires are very thin and therefore delicate - left/right-channel intermittence due to cable damage is the product's primary cause of malfunction

2 agree

Doesn't include a protective travel case - makes unit much more susceptible to structural damage and wire tangling

1 agrees

Doesn't include any alternative ear tip sizes - may result in a hindered listening experience for users with considerably large or small ears

1 agrees
  • Only 3 words are allowed.


The Koss SPARKPLUG model is a mid-grade, "budget" headphone set designed to imitate more expensive models and provide an exceptional listening experience at a cheaper price. The headphones are targeted for pure music audiophiles of all ages, and Koss claims the headset provides accurate acoustical reproduction and sound isolation. The SPARKPLUG headphones feature a dynamic element that sits just outside the ear, and a connected tubular ear-bud port structure designed to expand in order to fit snugly inside the ear canal and block out excessive ambient noise. The SPARKPLUG ear-bud cushions are made of soft hydrophillic, formed urethane, for a comfortable and custom ear fit. Additional SPARKPLUG features include extra ear cushion sets, a 4 foot tangle free cord with a white color that matches the design of most modern mp3 players, a gold plated mini stereo plug for maximum conductivity, and a Koss "No-Questions asked" lifetime warranty. The Koss SPARKPLUG ear-bud headphone set was released on May 2, 2006 and has an MSRP of $14.99, which is listed on the official Koss website.

Key Specs
  • Dynamic Element that sits outside the ear canal
  • Tubular ear bud port structure with soft urethane cushion ear pads that expand once inside the ear canal
  • Extra ear pad cushion sets of varying sizes
  • 4 foot tangle free cord; white color
  • Gold plated mini stereo plug
  • Koss lifetime warranty
  • Frequency Response: 10-20,000Hz
  • Impedance: 16 ohms
  • Sensitivity: 112dB/mW
  • Release Date: 05/02/2006
  • MSRP: $14.99
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