Koss SPARKPLUG – Stereo In Ear Ear Plugs
October 27th, 2009 by Home Audio 
10 Comments 
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 featues 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. Reliable L plug for improved reliability and durability Straight, dual entry 4 foot cord
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Tags: Koss, Plugs, SPARKPLUG, Stereo
Posted under: Headphones
1.0 out of 5 stars
Not Recommended
Honestly would not recommend putting any money into these headphones. I bought them a few months ago and within 1 month the functionality on the left earbud started fading out and…
3.0 out of 5 stars
Almost Perfect
The concept is great – insertable, moldable foam earplugs. The problem I had was keeping them in my ears because the outside of each plug is much heavier than the foam part that…
5.0 out of 5 stars
great for drumming!
i bought these because with other headphones i couldn’t hear my mp3 player good enough over my drums to jam along to stuff…but these headphones kill!
4.0 out of 5 stars
good and bad
These headphones reproduce sound quite well, but seem to lack in the lower frequencies. Perhaps this is wholly due however to the fact that for me anyway, the fit isn’t up to the…
5.0 out of 5 stars
GREAT EAR BUDS!!!
I love these! The bass is great! I just ordered another pair to keep at work!
5.0 out of 5 stars
Best value ear buds
These sparkplugs are the best value in ear buds for about twelve bucks or so.
I do the trick of covering up the holes with a little circle of clear adhesive tape…
3.0 out of 5 stars
didn’t last
I think the sound was pretty good but one ear stopped working under normal listen conditions.
4.0 out of 5 stars
Good but be carefull
Overall a good product for the money.
The noise isolation is fantastic, and when you turn down the bass on your MP3 player these are some very nice headphones…
5.0 out of 5 stars
Great sound, great warranty, less than $15 = best deal out there
I love my Spark Plugs, especially on airplanes when the expanding ear buds seal out the noise of the engines, the screaming baby in 22B, and the ice-chewer sitting next to me…
5.0 out of 5 stars
Amazing for the price, lasted only 2 months
I have used many headphones till now (and returned many of them). By far these are the best in the $20-$30 range. Great bass and clarity.