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  • Koss SPARKPLUG - Stereo In Ear Ear Plugs (Discontinued by Manufacturer)
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Koss SPARKPLUG - Stereo In Ear Ear Plugs (Discontinued by Manufacturer)

by Koss

Currently unavailable.
We don't know when or if this item will be back in stock.
  • Frequency Response - 10-20,000 Hz
  • Dynamic element for extended frequency response
  • Unique earbud design directs sound into the ear canal for deep bass and extended frequency performance
  • Speciality ear cushion material forms slowly in the ear canal to provide a custom fit and maximum isolation
  • Includes replacement ear cushions


Special Offers and Product Promotions

  • Amazon Free 30-Day Tech Support: This item is eligible for free tech support for 30 days from the date of delivery. Over the phone, our trained technicians can help you set up, configure, connect, and troubleshoot so you can start enjoying your new purchase. Owners of qualifying products can reach Tech Support by calling 1-800-362-5703. Learn more


Technical Details

  • Noise-Cancelling-Feature

Product Details

  • Product Dimensions: 6 x 4.5 x 1.3 inches ; 1.4 ounces
  • Shipping Weight: 1 pounds
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00081A2DQ
  • Item model number: 156423
  • Average Customer Review: 3.6 out of 5 stars  See all reviews (535 customer reviews)
  • Date first available at Amazon.com: October 2, 2001

Product Description

A Portable headphone is a headphone that is used on-the-go. When used in your iPod or other portable player, you want to match superb sound with absolute comfort. That's when the Koss Spark Plug stereo earphone makes senseThe SparkPlug features a dynamic element that is positioned just outside the ear and connected to a tubular port structure that is inserted on a soft expandable cushion into the ear canal. The soft foam cushion expands for a custom fit to improve isolation and enhance deep bass and treble clarity. Now with improved slow memory ear cushion made of hydrophillic, formed urethane, you are guaranteed a custom fit every time. Ths SparkPlug also features a white cord to compliment many mp3 players. The fit enhances isolation when you want to plug out ambient sounds that interfere with the listening experience. The SparkPlug has a frequency response performance of 10Hz-20,000Hz and full Sound of Koss. Combined with your favorite music and a portable sound system, it is the ultimate accessory on the go. Built to last, The SparkPlug is covered under Koss' No-Questions-Asked Lifetime Warranty - the only warranty of its kind in the stereophone industry. Straight, dual entry 4 foot cord.

Customer Questions & Answers

Customer Reviews

They have great isolation, very good comfort and sound.
Damon
Not sure if I just dont have the right shaped head for these, but they are painful to wear and fall out my ears during my run..
Jason Mallery
They fit comfortably, the foam cushions on the buds being much like the foam used for ear plugs.
T. Anschutz

Most Helpful Customer Reviews

335 of 352 people found the following review helpful By I Am Me on May 13, 2005
Being somewhat of an audiophile, I went researching for a good pair of headphones. I was looking at the product lines from Sennheiser, Beyerdynamic, Grado, Shure, and Etymotic.

I considered what I wanted these headphones for and it was to study in places like starbucks or barnes and nobles. So naturally, I decided on sound isolating headphones. This left me with either closed full-size over the ear headphones or earbuds. If you haven't seen them, full-size headphones are huge! They pretty much cover the entire sides of your head, we're talking Princess Leah hair buns (star wars). Besides that, the higher quality headphones require an additional portable amplifier to sound good because most portable devices aren't powerful enough to drive them.

Now I focused on earbuds. After reading review upon review about Shure and Etymotic, I would always come across reference to Koss "The Plug" and Sony's isolating earbuds (forgot the model) from an audio forum. Out of the box, the Sony is supposed to be better than the Koss model. However, what I found was that for a fraction of the price of Shure and Etymotic brands (I think the top model is $500) and a bit of elbow grease, the less expensive Koss earbuds could sound better than the Sony's and nearly as good as the Shure and Etymotic. Doing a search resulted in many websites referring to methods of "modifying" the Koss earbuds.

I was convinced and went looking back in April. However, when i got to the store, I couldn't find any "The Plug". All I found was "Spark Plug". I was confused but I bought them anyway. I searched amazon and realized that they must be the 3rd iteration of Koss's earbuds because I only came up with one result, and it said it was added to amazon only 2 days before I bought it locally.
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74 of 80 people found the following review helpful By Robert Haven VINE VOICE on February 3, 2006
The ear buds that come with the iPod won't stay in my ears and those little foam slip covers always come off and they generally drive me crazy. So I normally use good over-the-ear headphones. But I needed some in-ear phones to wear at certain times. These Koss ear phones have been great, and you could buy 10 pairs or more for the price of some others!

I'm not an extreme audiophile, but I do appreciate good clean sound. I like medium-strong bass, but it has to be clean and not muddy and not overpower the rest of the frequencies. The bass in these Koss plugs might be just a bit too much, but certainly not enough that I'm going to bother trying to modify them with straws and duct tape. You can adjust the position of the phones in your ear to reduce the bass, too. Overall, the sound is quite good, but not as clear and bright as I would expect from expensive phones.

Someone said they look funny in your ears. I suppose that's true, but I don't care all that much.

In summary, they sound very good (but not excellent), they are comfortable and stay in my ears, and they are incredibly cheap! Highly recommended. (P.S. please be careful with volume levels to avoid long-term ear damage. Really. Can you imagine not being able to enjoy music when you're 40 years old? How horrible! Turn down the volume and your ears will adjust to the lower level.)
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29 of 30 people found the following review helpful By Timothy B. Dereg on May 11, 2007
Verified Purchase
I don't demand the utmost in sound fidelity, but like so many others have commented I also found the bass on these earplugs to be so overwhelming that it drowns out all other frequencies. I put tape over the back of the plugs, and that helped muffle the bass enough that I can now hear the higher frequencies.

Still, these are cheap earplugs, so don't expect top sound quality. I find that the foam tips on these earplugs fit my ears better than a pair of more expensive Sony earplugs that take those replaceable foam covers. Granted, the sound quality is less than those higher-priced earplugs, but I can wear these Koss earplugs for far longer in comfort.
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10 of 10 people found the following review helpful By Adam Jacobs on November 15, 2005
I bought these things because I needed a replacement for my broken earbuds.. I have owned some nice Koss studiophones, and I know they make good gear.. So I decided to grab their earbuds off the shelf instead of Sony's.. Wow! These things are incredible! Hearing is believing.

My only complaint is that they are a bit bass heavy. EQ is kind of a must. Also, I like to trim a bit off the end of the "plug" with some scissors. I have listened to all kinds of music through these things, nothing is muddy, not deep house, not trance, not trip-hop, not bluegrass, not anything. Clean and crisp. Amazing.
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9 of 9 people found the following review helpful By S. G. MILLER on January 9, 2006
Verified Purchase
I've been using Koss Plugs for about a year. I forgot them in my pants pocket once and sent them through the washing machine. At first the high frequency was a little messed up, but after a few days they returned to normal.

I threw away the foam pads that came with them almost immediately and fitted them with a pair of normal squishy earplugs. These are the kind of earplugs that are made of memory foam that you roll between your fingers and let them slowly expand in your ears. To prepare the earplugs you have to shorten them a bit with some scissors then "drill" or actually melt a hole through them with a hot piece of coat hanger. Then you fit them over the plastic tubes that come out of the Koss Plugs. To me the prepared ear plugs are much more comfortable and seal much better than the foam pieces that come with the Koss Plugs.

I have a Sony active noise canceling headset, which is good for environments with low levels of back ground noise, but are not adequate for very noisy environments, such as when you are using a leaf blower or working around heavy equipment. In this type of situation I use the Koss Plugs and a pair of muff style hearing protectors. When using them like this however you must be very careful because the sound isolation is so great that even persons shouting will have a very difficult time getting your attention.

The Koss Plugs take much less energy to run compared to other headsets. You must use a much lower volume setting. The sound quality is excellent. They are cheap and durable; unlike ear buds they stay in your ears when you are working or playing.
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