Availability: Usually dispatched within 24 hours
Binding: Electronics
Brand: Koss
EAN: 0021299152065
Label: Koss
Manufacturer: Koss
Model: 156423
Number Of Items: 1
Publisher: Koss
Release Date: November 29, 2005
Studio: Koss
Sales Rank: 2624
MPN: 156423
Features:- Frequency Response: 10-20,000 Hz
- Dynamic element for extended frequency response
- Unique earbud design directs sound into the ear ca
- Improved slow memory ear cushions deliver better f
- Includes replacement ear cushions
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Editorial Review:
Product Description: The soft foam cushion expands for a custom fit to improve isolation and enhance deep bass and treble clarity. The 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. 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.
Average Rating: 
Rating: -
As soon as i recieved these headphones i noticed they were huge, although that has so far been the only problem. They have superb sound quality and a very comfortable fit and i would definatly recommend them. Only downside is i feel like they stick way to far out from ear.
Rating: -
After reading the reviews here, I opted for these to replace a pair of "gym in ears" (JVC marshmallows) that had seen the inside of a washing machine.
A poor choice.
The housing is rather uncomfortable, if you find the iPod ones uncomfortable these will also not suit. The sound is poor, flabby bass overwhelms the muted washed out mids and the highs are non-existent.
I tried running them in for 48 hours, they were still no better.
Replaced them with the Sennheiser CX300's, which are rather more expensive, but infinitely better.
Rating: -
Great sound quality, and you can get to quite high volume without annoying your fellow train passengers. The cable is annoying as its rubbery and sticks to things (itself, clothes, furniture) so it snags and gets tangled easily.
Rating: -
Some people have find these headphones bassy or mushy - but they are not. These earphones do not add bass; they PRESERVE the bass that other earphones "lose". I recommend that people persevere with these earphones - soon you wont want to without them !!
I find these earphones perfect. The foam cushions mean they are comfortable and dont fall out of my ears, even when running. The sound quality is excellent. EQ is perfect and is balanced across rock, pop, R&B and dance. Also, because they are sound isolating, you dont have to have your mp3/cd player as loud which is better for you ears and those around you. The cuhions seem sturdy and replacements are readily available on ebay/amazon if you lose one (however a pack of 6 costs as much as ... Read More:
Rating: -
The Koss "spark plug" earphones may look incredibly ugly (and why make them white!!)but the sound quality is exceptional. The only problem I have with them is the lead is made of a rubberised texture material which tends to catch on clothing which sometimes pulls the plugs out. Apart from that they are the best sounding phones I've used.
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