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Koss SPARKPLUG - Stereo In Ear Ear Plugs | 
 enlarge | Brand: Koss
Category: CE
List Price: $14.99
Buy New: $4.49
You Save: $10.50 (70%)
New (40) Used (1) from $4.49
Avg. Customer Rating:  361 reviews
Media: Electronics
Autographed: No
Memorabilia: No
Fragile: No
Batteries Included: No
Shipping Weight (lbs): 0.1
Dimensions (in): 6 x 4.5 x 1.3
Legal Disclaimer: Warranty does not cover misuse of product.
Warranty: Limited lifetime warranty
MPN: 156423
Model: 156423
UPC: 689076349659
EAN: 0021299152065
ASIN: B00081A2DQ
Availability: Usually ships in 1-2 business days
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| Features:
| • | 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 |
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| Editorial Reviews:
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 sense. 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. 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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| Customer Reviews: Read 45 more reviews...
 Great for the price October 7, 2008
These plugs fit well because you squeeze them down to fit inside your ears. Once in they swell out and fit comfortably snug inside your ears. You don't need as much volume as other plugs because the ambient noise is attenuated well. The frequency response is okay. Good at the bass end, and okay for the rest of the spectrum. They're great for working in the yard or at the gym, because they don't fall out. They are well worth the $10 I spent for them.
 A pretty crude pair of earbuds September 26, 2008
At ten dollars, you get what you pay for. The Koss Sparkplugs are heavy on the bass, tinny at the top, and possess no discernible mid-range. If you believe strong bass equals quality sound, these might just be for you. Otherwise avoid. Suitable for beats but not much else.
 Unreliable September 18, 2008
You definitely get what you pay for with these. Bought them because I had lost my iPod standard headphones for $14 at a local store. The cushioning of the earpieces made it possible to keep them in for long stretches of hours without ear soreness. The main issue with them was that they stopped working after 2 months. The wires attached to the inline mute button came loose on both ends, requiring 5-10 minutes of fiddling with the wires and positioning, until I could get a faint stream of music, which went away the second the wires shifted and were disconnected again. Koss customer support still hasn't responded to any of my emails for three weeks now.
Buy them if you just need cheap decent headphones, but don't be disappointed when you need to buy a new pair in a few months. At least for $14, you can afford it.
 Good purchase for the money September 10, 2008
I have been using these ear plugs for over two years now. Usually they are in the front pocket of my backpack ready to go. The price is cheap enough that I don't have to be careful porting them around. Made like an earplug but with a hollowed out center, they are good at minimizing noise around without having the more expensive noise canceling devices. Personally I like booming bass and these little plugs deliver. The one thing I would do differently is ship it with a carrying case as the long wires can become tangled.
Comfortable and Bassy September 8, 2008
I think these headphones work great for running. Simply squeeze the foam and place it in your ear. It expands enough to stay put. It does a great job of blocking out outside noise, almost to a point of danger especially if you are running on roads with these. You will never hear a car coming.
They do produce a lot of low and tight base. The treble is above average.
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