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Koss 'The Plug' In-Ear Headphones (Black)

4.3 out of 5 stars 2,421 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Earbud & In-Ear Headphones by Koss

-20% $11.99
List Price: $14.99

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About this item

  • Connectivity Technology: Wired
  • 16 to 23,000 Hz frequency response
  • Deep bass performance
  • 4- Foot cord
  • Wireless communication technology: Bluetooth

Additional Details

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Frequently bought together

  • Koss 'The Plug' In-Ear Headphones (Black)
  • +
  • Apple Lightning to 3.5 mm Headphone Jack Adapter
  • +
  • Koss KSC75 Portable Stereophone Headphones, Single, Standard Packaging White/Gray
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Koss 'The Plug' In-Ear Headphones (Black)
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Customer Rating 4.3 out of 5 stars (2421) 4.0 out of 5 stars (76) 4.2 out of 5 stars (27) 4.5 out of 5 stars (314) 4.6 out of 5 stars (14785) 4.9 out of 5 stars (5)
Price $11.99 $39.99 $12.00 $46.21 $39.99 $69.99
Shipping FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping. Details FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details
Sold By Koss Stereophones Koss Stereophones Koss Stereophones Amazon.com Koss Stereophones Koss Stereophones
Color Black Black Black Midnight Blue Black/Silver Stealth Grey
Fit Type In-Ear In-Ear In-Ear On-Ear On-Ear In-Ear
Item Dimensions 6 x 4 x 1 inches 5.2 x 1.2 x 2.7 inches 6.81 x 2 x 8.94 inches
Item Weight 1.34 ounces 2.40 ounces 2.79 ounces
Special Features lightweight Microphone, wireless, Noise-Isolating lightweight Foldable, Lightweight, Microphone-Feature, Tangle-free-cord, Universal-phone-control, default_no_selection_value foldable, lightweight Microphone, USB connectivity, Noise-Isolating

From the manufacturer

Koss The Plug B07FDL35DR Koss BT232i B06XC5DLQZ Koss KSC32i plug wireless
Koss The Plug In-Ear Earbud Headphones Koss BT115i Wireless In-Ear EarBud Headphones Koss BT232i Wireless Bluetooth FitClips (Designed for Sports & Exercise) Koss BT190i Wireless Bluetooth In-Ear FitBuds(Designed for Sports & Exercise) Koss FitClips KSC32i Headphones(Designed for Sports & Exercise) Koss The Plug Wireless
Type Headphones Wireless Bluetooth Headphones Wireless Bluetooth Headphones Wireless Bluetooth Headphones Headphones Wireless Bluetooth Headphones
Fit In-Ear EarBud In-Ear EarBud In-Ear Clip In-Ear EarBud In-Ear Clip In-Ear EarBud
Connection Wired (3.5mm plug) Wireless Bluetooth Wireless Bluetooth Wireless Bluetooth Wired (3.5mm plug) Wireless Bluetooth
Battery Life N/A 6+ Hours 6+ Hours 6+ Hours N/A 6+ Hours
Microphone No In-Line Microphone In-Line Microphone In-Line Microphone In-Line Microphone In-Line Microphone
Controls No In-Line 3-Button Control In-Line 3-Button Control In-Line 3-Button Control In-Line 1-Button Control In-Line 3-Button Control
Sound Deep Bass & Great Passive Noise Cancelling Isolation Wireless Sound with Deep Bass & passive Noise Isolation Wireless Sound with Smooth Bass for inspired workouts & exercise Wireless Sound with Smooth Bass for inspired workouts & exercise Wireless Sound with Smooth Bass for inspired workouts & exercise Deep Bass & Great Passive Noise Cancelling Isolation
Comfort Memory Foam Cushions create the perfect fit Soft, Silicone in-ear cushions Soft, Silicone in-ear cushions & Soft Ear-Clip Soft, Silicone in-ear cushions & in-ear clip Soft, Silicone in-ear cushions & Soft Ear-Clip Memory Foam Cushions create the perfect fit
Portability & Travel Lightweight & Durable Lightweight & Durable Lightweight & Durable Lightweight & Durable Lightweight & Durable Lightweight & Durable
Bluetooth Version N/A Bluetooth 4.2 Bluetooth 4.2 Bluetooth 4.2 N/A Bluetooth 4.2

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  • Koss 'The Plug' In-Ear Headphones (Black)
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    Koss 'The Plug' In-Ear Headphones (Black)


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    Product Description

    Product Description

    The Koss Plug revolutionized the world of in-ear headphones. A first of its kind, these are stereo, noise isolating in-ear headphones that deliver the kind of accurate acoustical reproduction and isolation typically found in high-end, closed-style high fidelity headphones. A dynamic element positioned just outside the ear connects to a tubular port structure that inserts into a soft, expandable cushion. The soft, foam cushion expands for a custom comfort fit with every listening experience. It also improves isolation, plugging out ambient sounds, and enhances deep bass and treble clarity.

    Amazon.com

    Koss's miniature portable earphone, affectionately dubbed "The Plug," makes use of an ear-cushion material (similar to that used in sound-blocking earplugs) that slowly expands in your ear canal to provide a custom fit and maximum sonic isolation from external noises. A detachable, extrawide headband makes these Koss-termed "stereophones" easy to carry or store.

    For accurate sound reproduction, these earbud-style headphones are made with oxygen-free copper voice coils and neodymium iron boron magnets. You can enjoy them with either a portable or home audio device, since both 0.125-inch and 0.25-inch adapter jacks are included.

    "The Plug" weighs a mere quarter ounce and has a frequency response rated at an impressive 16 to 23,000 Hz (though its unlikely you'll hear bass output anywhere close to what you'd get from a similarly rated loudspeaker!).

    Impedance is 16 ohms, with less than a 0.3 percent distortion and reasonably high sensitivity of 112 dB SPL/1 mW.

    Customer reviews

    4.3 out of 5 stars
    4.3 out of 5
    2,421 global ratings

    Top reviews from the United States

    Reviewed in the United States 🇺🇸 on March 16, 2016
    Color: BlackStyle: HeadphonesVerified Purchase
    Customer image
    4.0 out of 5 stars Reminds me of an EarPlug - another great Earbud by Koss- Could be better on the noise-isolation though
    Reviewed in the United States 🇺🇸 on March 16, 2016
    I wanted to update my review to say that I DID finally get used to having the earbuds in for long periods of time, (see further down my review) and my ears stopped feeling so achy after wearing them, or when I would take them out.

    I also finally broke down and did what others suggested, and made my own 'seal' out of earplugs. I have a gazillion lying around, so I figured, why not? I simply took a small pair of pointy scissors, opened them up so that I was using only one blade, and (carefully) slid the earplug through to the end of the blade. It took quite a bit of pressure, but it slowly went through. Then, I took it off the blade, closed the blades, and then pushed the earplug through again, this time on both blades (closed). This time I needed to pull them out a bit to find the hole at end as I was pushing the blades through. It had closed right up and was hard to spot. After I pushed it through, I opened up the blades and held them there for a second or two, then I pulled the earplug off the scissors, and at the same time, I sorta turned it inside out, not all the way, but as much as possible.This was the only way that I could get it onto the end of the little rod that comes out of the earplugs. It bends easily and obviously I'm afraid of breaking it, or any of the tiny wires that may be inside. Once i got it on, I pushed it all the way through to the end, and very carefully snipped around the hole to make it fit well, but be slightly open for sound (Being careful not to cut the white rod.) Then, I inserted the earplug/bud and I find that it seals much better and it stays in my ears better. The size that it came with did work in my little ear canals, but they always felt like they were going to come out, and a gentle tug would pop them out. These fit much more snugly. The sound is impressive. Good bass.
    ---- ---- ----
    Old Review

    I have small ears, so shopping for earbuds can be a challenge. I'd read that you can squish these down, so I'd hoped that by being able to do so would help these earbuds to fit into the limited space of my ear canals. It did!

    Like earplugs, you simply squish and roll these between your fingers and insert them into your ear canal. I find that if I tug back slightly on my ear while I am inserting the earbud (or plug), that it helps open up the already tight space and makes insertion a little bit easier. Like an earplug, they then re-expand and fill your ear canal, which is how they are held in place.

    The upside to this is that it creates kind of a seal - or a noise barrier - isolating the noise of the outside world from entering in and bothering you - just like an ear plug. Unlike an ear plug, it does not create that perfect seal, so noise does get through.

    The downside, like an earplug, it gets bothersome to have something inside your ear canal after awhile. Your ears get full and achy, and that achy feeling can persist for hours, even after you take the earbud out. But for some of us, it's worth it.

    I would have loved to have had an inline volume control on them. I'd actually thought I was ordering a pair with the inline volume. I was looking at a bunch of earbuds, most of them by Koss, my go-to brand, and the one I thought I was going with had an in-line volume control. (Turns out that one was slightly more expensive than this one, so bonus for me.) I had ordered this one by accident, because I do not usually order earbuds without an in-line volume control. However, I was pleasantly surprised when I received these. I didn't send them back because I liked them so much. (I also found an in-line volume control that I can order as an add-on to these earbuds that I plan on ordering in the near future.)

    The range on these is fantastic. My playlist cracks most people up by it's variety, so range is something I find important. They play bass with ease - you can actually FEEL it - and higher tones come through with crystal clear clarity.

    They come with a second set of foam ear pieces, which seem to be the same size, so no variety for those of us with different ear sizes, but good if we ruin a pair.

    Cord is a decent length. It isn't already self split, so you do so yourself to a pre-measured mark. (I like the runner's earbuds, with the off-sided cords. Where one side is longer than the other to prevent the cord from beating against your chest while you are running. Koss is good about making those. This set does NOT have these. But, they are long enough that you can slip them behind you, which I do. Especially while exercising - or sleeping.)

    They work fantastic in my iPod, in my tablet, in my computer, in my phone (but not with my phone case.) They sound great - cut the noise well (not great, but well). All in all, I'm very happy with my purchase. I like them a lot. I'd recommend them to anyone looking for a decent pair of earbuds at a great price. But, if you're looking for something with a lot of noise-isolation/cancellation, you might want to try something else.

    I've been using Koss earbuds for years, so I'm familiar with them, and I highly recommend Koss brand.
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    7 people found this helpful
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    Reviewed in the United States 🇺🇸 on March 2, 2023
    Color: BlackStyle: HeadphonesVerified Purchase
    Customer image
    5.0 out of 5 stars For the price, nothing beats this.
    Reviewed in the United States 🇺🇸 on March 2, 2023
    An earbud that definitely punches above it's weight class. Koss has always been the everyman's headphone. The frequency response, sound stage, and sound isolation are pretty good. I currently have two pairs, because I lost a pair then later found it. A carrying case( remember the old koss earbuds came in those wind up cases?) would really be an improvement. The foam earplug design makes it so these fit almost any ear comfortably. If for some reason you find they're not comfortable, you can always drive a hole through a foam earplug and slide it over the mount. Buy a pair of these, even as a backup. You won't regret it. Length from the buds to the 1/8" jack is 49". Length from the cable split to the jack is 35"
    Images in this review
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    Reviewed in the United States 🇺🇸 on March 24, 2023
    Color: BlackStyle: HeadphonesVerified Purchase
    Reviewed in the United States 🇺🇸 on July 27, 2020
    Color: BlackStyle: HeadphonesVerified Purchase
    6 people found this helpful
    Report
    Reviewed in the United States 🇺🇸 on February 7, 2023
    Color: BlackStyle: HeadphonesVerified Purchase

    Top reviews from other countries

    C Salgado
    2.0 out of 5 stars Awful sound
    Reviewed in the United Kingdom 🇬🇧 on October 17, 2022
    Color: BlackStyle: HeadphonesVerified Purchase
    mathewjg
    5.0 out of 5 stars Good quality to price
    Reviewed in the United Kingdom 🇬🇧 on September 6, 2016
    Color: BlackStyle: HeadphonesVerified Purchase
    2 people found this helpful
    Report
    Django Dude
    4.0 out of 5 stars unbeatable sound for the price
    Reviewed in the United Kingdom 🇬🇧 on December 12, 2012
    Color: BlackStyle: HeadphonesVerified Purchase
    One person found this helpful
    Report
    Michael
    5.0 out of 5 stars Really good
    Reviewed in the United Kingdom 🇬🇧 on November 27, 2022
    Color: BlackStyle: HeadphonesVerified Purchase
    Mr. A. P. Bartram
    5.0 out of 5 stars The PLugs
    Reviewed in the United Kingdom 🇬🇧 on June 2, 2009
    Color: BlackStyle: HeadphonesVerified Purchase
    One person found this helpful
    Report