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Koss headphones

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Koss headphones for sale on largest auction and classifieds sites

Home / / Koss headphones refurbished & used for sale | For Sale USA
Koss ur20 noise - koss,

Koss ur20 noise - koss,

$25.99
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Koss porta pro black ear - koss,

Koss porta pro black ear - koss,

$42.31
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Koss clear retro 90s - retro,

Koss clear retro 90s - retro,

$14.93
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Koss ear sport - on-ear, clip

Koss ear sport - on-ear, clip

$25.95
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Koss porta pro wireless 0 - koss,

Koss porta pro wireless 0 - koss,

$89.99
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Koss kph7 lightweight portable - kph7,

Koss kph7 lightweight portable - kph7,

$7.23
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Lightweight 5mm wired ear - lightweight, 3.5mm

Lightweight 5mm wired ear - lightweight, 3.5mm

$18.99
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Koss porta pro ear - pro,

Koss porta pro ear - pro,

$47.99
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Vintage koss pro - vintage,

Vintage koss pro - vintage,

$49.00
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Koss headphones - koss, &

Koss headphones - koss, &

$19.99
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Koss pro4a headband headphones - headband,

Koss pro4a headband headphones - headband,

$31.18
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Koss porta pro - pro, modretro

Koss porta pro - pro, modretro

$75.00
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Koss ksc11c ear headband - on-ear,

Koss ksc11c ear headband - on-ear,

$19.95
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Koss retrospekt 21 retro - koss, p/21

Koss retrospekt 21 retro - koss, p/21

$23.99
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Koss pro 4aaa professional - koss,

Koss pro 4aaa professional - koss,

$199.99
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Koss ur29 full - ur29, full-size

Koss ur29 full - ur29, full-size

$23.00
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Koss ur10 ear adjustable - koss, on

Koss ur10 ear adjustable - koss, on

$12.69
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New koss noise isolating - new,

New koss noise isolating - new,

$9.99
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Koss kph7 lightweight portable - kph7,

Koss kph7 lightweight portable - kph7,

$7.97
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Koss headphones black 727b - koss,

Koss headphones black 727b - koss,

$20.00
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Koss ksc75 ear - ksc75, ear-clip

Koss ksc75 ear - ksc75, ear-clip

$27.57
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Koss porta pro limited - porta, edition

Koss porta pro limited - porta, edition

$49.95
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Koss pro 4aa over - pro/4aa, over-ear

Koss pro 4aa over - pro/4aa, over-ear

$25.00
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Wireless bluetooth lightweight - bluetooth,

Wireless bluetooth lightweight - bluetooth,

$24.99
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Vintage koss pro4aaa - vintage,

Vintage koss pro4aaa - vintage,

$74.99
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Koss 6alc headphones - koss,

Koss 6alc headphones - koss,

$19.99
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Koss stealth earbuds - koss,

Koss stealth earbuds - koss,

$12.95
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Koss wired earphones - koss,

Koss wired earphones - koss,

$11.48
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Koss ur20 stereo over - over, ear

Koss ur20 stereo over - over, ear

$29.95
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Koss ksc21k 18 khz - koss,

Koss ksc21k 18 khz - koss,

$15.00
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Vintage koss ultra light - koss,

Vintage koss ultra light - koss,

$16.69
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Koss qz99 passive - qz99,

Koss qz99 passive - qz99,

$15.00
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Koss 191651 ke5 earbuds - 191651,

Koss 191651 ke5 earbuds - 191651,

$7.99
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Vintage koss pro 4aa - vintage, pro/4aa

Vintage koss pro 4aa - vintage, pro/4aa

$52.00
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Koss porta pro wireless - porta,

Koss porta pro wireless - porta,

$89.99
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Lightweight wireless bluetooth - wireless,

Lightweight wireless bluetooth - wireless,

$32.99
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Koss kph30 wireless headphones - koss,

Koss kph30 wireless headphones - koss,

$49.99
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Koss headphones with - headphones,

Koss headphones with - headphones,

$9.99
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Koss adjustable - koss,

Koss adjustable - koss,

$19.99
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Koss stereophones behind - stereophones, p9

Koss stereophones behind - stereophones, p9

$19.98
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Koss cs100 usb communication - koss,

Koss cs100 usb communication - koss,

$24.73
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Koss porta pro black ear - koss,

Koss porta pro black ear - koss,

$38.50
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Koss ktxpro1 clear ear - ktxpro1,

Koss ktxpro1 clear ear - ktxpro1,

$28.88
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Koss ksc21 sportclip clip - koss,

Koss ksc21 sportclip clip - koss,

$14.95
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Vintage koss 40lc - koss, k/40lc

Vintage koss 40lc - koss, k/40lc

$10.80
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Koss ur40 home - ur40, stereo

Koss ur40 home - ur40, stereo

$26.39
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Koss massdrop esp 95x - massdrop, esp/95x

Koss massdrop esp 95x - massdrop, esp/95x

$334.99
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Koss sportapro behind - sportapro, behind-the-neck

Koss sportapro behind - sportapro, behind-the-neck

$40.43
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Vintage 1970s koss 6a - koss, k/6a

Vintage 1970s koss 6a - koss, k/6a

$24.99
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Koss lightweight contour - koss,

Koss lightweight contour - koss,

$11.04
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Koss kph7 lightweight - koss,

Koss kph7 lightweight - koss,

$7.23
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Koss cs100 usb double - cs100,

Koss cs100 usb double - cs100,

$4.80
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Koss ur20 full size - ur20, stereo

Koss ur20 full size - ur20, stereo

$25.75
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Koss the plug - koss, in-ear

Koss the plug - koss, in-ear

$16.16
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Koss ear headphones - hd/33,

Koss ear headphones - hd/33,

$9.89
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Koss kph30iw wired ear - koss,

Koss kph30iw wired ear - koss,

$29.99
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Koss cs200i ear - cs200i, on-ear

Koss cs200i ear - cs200i, on-ear

$15.00
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Koss kph7 lightweight ear - koss,

Koss kph7 lightweight ear - koss,

$10.49
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Koss behind the head portable - koss,

Koss behind the head portable - koss,

$24.85
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Koss ur10 stereo ear - ur10, on

Koss ur10 stereo ear - ur10, on

$20.99
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Koss pro 4aaa stereo - pro,

Koss pro 4aaa stereo - pro,

$47.13
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Vintage koss headphones - vintage,

Vintage koss headphones - vintage,

$24.90
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Koss ear sport clip - koss, on-ear

Koss ear sport clip - koss, on-ear

$10.99
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Vintage realistic stereo - vintage,

Vintage realistic stereo - vintage,

$70.00
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Koss ear headphones - koss, pk

Koss ear headphones - koss, pk

$19.12
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Upgrade premium - upgrade,

Upgrade premium - upgrade,

$15.80
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Koss audio headphones - headphones, (new)

Koss audio headphones - headphones, (new)

$10.00
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Brand new vintage retro - brand,

Brand new vintage retro - brand,

$11.98
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Koss jck 200 - jck, 200-s

Koss jck 200 - jck, 200-s

$25.95
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Koss stereo headphones pro - koss,

Koss stereo headphones pro - koss,

$23.80
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Koss cs100 usb communication - usb,

Koss cs100 usb communication - usb,

$25.00
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Vintage koss chairside - koss,

Vintage koss chairside - koss,

$29.00
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Vtg 1960 koss - 1960’s,

Vtg 1960 koss - 1960’s,

$34.99
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Nib koss porta - koss, pro

Nib koss porta - koss, pro

$54.99
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Koss kph30irb ear - koss, on-ear

Koss kph30irb ear - koss, on-ear

$29.99
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Koss 6alc dynamic - koss,

Koss 6alc dynamic - koss,

$20.00
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Koss porta pro - black, on-ear

Koss porta pro - black, on-ear

$47.50
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Koss plug noise - plug,

Koss plug noise - plug,

$16.93
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Brand new koss ke10 - ke10, earbuds

Brand new koss ke10 - ke10, earbuds

$8.00
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Koss noise reduction - koss,

Koss noise reduction - koss,

$41.22
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Koss porta pro ear - koss,

Koss porta pro ear - koss,

$35.00
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Koss ktxpro1 titanium - koss,

Koss ktxpro1 titanium - koss,

$26.99
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Koss ksc21 sportclip - ksc21, clip-on

Koss ksc21 sportclip - ksc21, clip-on

$20.00
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Koss 550 premium stereo - koss, a/550

Koss 550 premium stereo - koss, a/550

$300.00
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Koss realistic 1004 - realistic, lv

Koss realistic 1004 - realistic, lv

$27.50
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Koss porta pro - koss,

Koss porta pro - koss,

$39.99
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Vintage koss 10 - vintage, t-10

Vintage koss 10 - vintage, t-10

$35.00
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Nice koss stereo headphones - koss,

Nice koss stereo headphones - koss,

$39.99
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Koss computer stereophones - koss,

Koss computer stereophones - koss,

$13.99
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Koss porta pro - porta, limited

Koss porta pro - porta, limited

$49.99
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Lightweight portable ear - lightweight,

Lightweight portable ear - lightweight,

$7.27
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Koss ur10 ear - ur10, on-ear

Koss ur10 ear - ur10, on-ear

$15.38
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Koss ear headphones w mic - on-ear,

Koss ear headphones w mic - on-ear,

$19.99
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Koss ur10 ear - koss,

Koss ur10 ear - koss,

$14.59
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Koss porta pro - pro, classic

Koss porta pro - pro, classic

$69.99
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Koss pro 4aaa vintage stereo - koss,

Koss pro 4aaa vintage stereo - koss,

$129.50
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📊96 listings · from $4.8 · avg $36.52

Browse 96 koss headphones listings currently in our index. Prices range from $4.8 to $334.99, with an average of $36.52. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about koss headphones →

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Everything you need to know about koss headphones

Whether you are looking for a brand-new or second-hand koss headphones, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $4.8, while premium listings can reach $334.99 — giving you a wide budget spread to work with. The average price of $36.52 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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