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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 retrospekt 21 retro - koss, p/21

Koss retrospekt 21 retro - koss, p/21

$22.98
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Koss porta pro - black, 80s

Koss porta pro - black, 80s

$48.00
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Koss ur20 noise isolating - koss,

Koss ur20 noise isolating - koss,

$25.99
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Koss ksc75 ear clip headphones - ksc75, ear-clip

Koss ksc75 ear clip headphones - ksc75, ear-clip

$27.80
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Koss pro 4aaa - pro,

Koss pro 4aaa - pro,

$90.00
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Koss retrospekt 21 - x,

Koss retrospekt 21 - x,

$23.99
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Koss clear closed - koss, cl

Koss clear closed - koss, cl

$29.99
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Koss ksc21 sportclip - koss,

Koss ksc21 sportclip - koss,

$14.95
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Koss around ear noise - around,

Koss around ear noise - around,

$39.99
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Koss kph7v portable ear - koss,

Koss kph7v portable ear - koss,

$8.54
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Koss qz99 around ear noise - koss,

Koss qz99 around ear noise - koss,

$29.99
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Koss ktxpro1 titanium 90s - koss,

Koss ktxpro1 titanium 90s - koss,

$25.83
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Vintage koss stereophones - vintage,

Vintage koss stereophones - vintage,

$52.03
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Koss ur29 full size - ur29, full-size

Koss ur29 full size - ur29, full-size

$20.70
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Koss adjustable - td-80,

Koss adjustable - td-80,

$19.99
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Koss porta pro - limited, edition

Koss porta pro - limited, edition

$97.99
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Koss ur10 ear adjustable - ur10,

Koss ur10 ear adjustable - ur10,

$13.09
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Koss kph5v portable - koss, stereo

Koss kph5v portable - koss, stereo

$9.95
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Lightweight wireless bluetooth - lightweight,

Lightweight wireless bluetooth - lightweight,

$32.99
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Koss ktxpro1 clear ear - clear, on-ear

Koss ktxpro1 clear ear - clear, on-ear

$28.88
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Koss porta pro - pro, on-ear

Koss porta pro - pro, on-ear

$40.00
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Koss 191651 ke5 earbuds - koss,

Koss 191651 ke5 earbuds - koss,

$7.99
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Lightweight 5mm wired ear - 3.5mm,

Lightweight 5mm wired ear - 3.5mm,

$18.99
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Koss ur20 noise isolating - ur20,

Koss ur20 noise isolating - ur20,

$21.99
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Koss vintage stereo - koss, hv/1a

Koss vintage stereo - koss, hv/1a

$75.00
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Koss porta pro classic - porta, retro

Koss porta pro classic - porta, retro

$49.00
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Vtg koss headphones brown - vtg,

Vtg koss headphones brown - vtg,

$39.99
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Upgrade metal bracket - upgrade,

Upgrade metal bracket - upgrade,

$15.99
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Koss porta pro black ear - koss,

Koss porta pro black ear - koss,

$65.99
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Koss cs100 usb communication - koss,

Koss cs100 usb communication - koss,

$25.00
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Koss ksc21k 18 khz - hz, to

Koss ksc21k 18 khz - hz, to

$15.00
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Vintage koss ur5 lot - lot, of

Vintage koss ur5 lot - lot, of

$23.99
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Authentic koss retrospekt - koss, x

Authentic koss retrospekt - koss, x

$22.00
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Koss ur20 full size - koss,

Koss ur20 full size - koss,

$25.75
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Koss passive noise - qz-99,

Koss passive noise - qz-99,

$63.05
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Koss pro4aa headphones - koss,

Koss pro4aa headphones - koss,

$30.00
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Koss pro plus - koss,

Koss pro plus - koss,

$35.00
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Koss ktxpro1 titanium portable - koss,

Koss ktxpro1 titanium portable - koss,

$26.99
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Koss realistic 1004 - koss, 33-1004

Koss realistic 1004 - koss, 33-1004

$27.50
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Koss pro 4aa vintage - pro/4aa,

Koss pro 4aa vintage - pro/4aa,

$49.00
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Nos koss ktxpro1 ear - ktxpro1, on-ear

Nos koss ktxpro1 ear - ktxpro1, on-ear

$29.00
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Wireless bluetooth lightweight - wireless,

Wireless bluetooth lightweight - wireless,

$24.99
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Vintage koss 3x - vintage,

Vintage koss 3x - vintage,

$31.45
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Koss ktxpro1 titanium portable - koss,

Koss ktxpro1 titanium portable - koss,

$27.99
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Koss kph7 lightweight portable - kph7,

Koss kph7 lightweight portable - kph7,

$8.88
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Koss porta pro - koss,

Koss porta pro - koss,

$47.99
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Vtg 1970s koss pro - vtg,

Vtg 1970s koss pro - vtg,

$27.45
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Koss stealth earbuds - koss,

Koss stealth earbuds - koss,

$12.75
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Compatible with koss - compatible,

Compatible with koss - compatible,

$26.70
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Mmcx modded speaker driver - speaker,

Mmcx modded speaker driver - speaker,

$19.49
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Koss porta pro wireless - koss,

Koss porta pro wireless - koss,

$44.95
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Koss ur29 mix jockey - jockey, wired

Koss ur29 mix jockey - jockey, wired

$30.57
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Koss porta pro black - koss, ear

Koss porta pro black - koss, ear

$52.89
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Koss porta pro black - porta,

Koss porta pro black - porta,

$49.99
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Over the ear headphones wired - over,

Over the ear headphones wired - over,

$24.99
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Koss ksc22i ultra lightweight - koss,

Koss ksc22i ultra lightweight - koss,

$28.00
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Koss porta pro limited edition - porta,

Koss porta pro limited edition - porta,

$49.95
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Koss ksc11c ear headband - ksc11c,

Koss ksc11c ear headband - ksc11c,

$18.95
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Koss wired earphones - koss,

Koss wired earphones - koss,

$11.48
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Koss ear 5mm - 3.5mm, headphones

Koss ear 5mm - 3.5mm, headphones

$17.10
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Koss headphones kph25k ear - koss-headphones, on

Koss headphones kph25k ear - koss-headphones, on

$27.56
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Koss ur10 stereo ear - 2x,

Koss ur10 stereo ear - 2x,

$20.99
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Koss headphones - headphones, &

Koss headphones - headphones, &

$19.99
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Koss kph7 lightweight portable - kph7,

Koss kph7 lightweight portable - kph7,

$8.41
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New vintage koss - **new**,

New vintage koss - **new**,

$19.99
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Koss pro4a headband headphones - koss,

Koss pro4a headband headphones - koss,

$29.99
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Koss kph7v portable - koss, on-ear

Koss kph7v portable - koss, on-ear

$12.99
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Vintage koss stereophones - vintage, t.4a

Vintage koss stereophones - vintage, t.4a

$30.00
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Koss vintage stereo - k-6,

Koss vintage stereo - k-6,

$34.00
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Koss home and portable stereo - home,

Koss home and portable stereo - home,

$12.59
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Koss pro 4aa vintage stereo - koss,

Koss pro 4aa vintage stereo - koss,

$40.50
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Koss ksc21k black ear - ksc21k,

Koss ksc21k black ear - ksc21k,

$19.17
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Koss kph7 onear lightweight - koss,

Koss kph7 onear lightweight - koss,

$8.09
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Koss ur20 full size - size, stereo

Koss ur20 full size - size, stereo

$19.96
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Koss i20 stereophones - koss,

Koss i20 stereophones - koss,

$39.99
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Koss headphones with - koss,

Koss headphones with - koss,

$9.99
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Koss wired headphones - koss, ur-30

Koss wired headphones - koss, ur-30

$27.00
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Koss cs100 usb double - koss,

Koss cs100 usb double - koss,

$4.80
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Koss kph7 lightweight portable - kph7,

Koss kph7 lightweight portable - kph7,

$8.74
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Koss 6alc headphones dual - k/6alc,

Koss 6alc headphones dual - k/6alc,

$19.99
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Koss ktxpro1 titanium - koss,

Koss ktxpro1 titanium - koss,

$25.83
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Koss ke5 ear earbuds - koss, in

Koss ke5 ear earbuds - koss, in

$8.49
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Koss headphones ksc21 - koss-headphones,

Koss headphones ksc21 - koss-headphones,

$16.72
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Koss tm602 portable - koss,

Koss tm602 portable - koss,

$10.49
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Kph14k retro style headphone - kph14k,

Kph14k retro style headphone - kph14k,

$20.18
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Koss kph7 lightweight ear - kph7,

Koss kph7 lightweight ear - kph7,

$10.99
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Koss kph30irb ear - kph30irb, on-ear

Koss kph30irb ear - kph30irb, on-ear

$27.95
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Koss pro titanium - 3, aa

Koss pro titanium - 3, aa

$25.00
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Ktxpro1 titanium 90s style - 90s,

Ktxpro1 titanium 90s style - 90s,

$25.12
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Koss qz99 wired - koss,

Koss qz99 wired - koss,

$35.00
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Koss computer stereophones - koss,

Koss computer stereophones - koss,

$13.99
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Koss spz9 passive noise - spz9,

Koss spz9 passive noise - spz9,

$30.00
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Vintage koss 6alc dynamic - vintage, k/6alc

Vintage koss 6alc dynamic - vintage, k/6alc

$59.99
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Upgrade premium - upgrade,

Upgrade premium - upgrade,

$33.00
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Koss porta pro classic ear - porta,

Koss porta pro classic ear - porta,

$69.99
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Koss porta pro - koss,

Koss porta pro - koss,

$85.89
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📊96 listings · from $4.8 · avg $29.59

Browse 96 koss headphones listings currently in our index. Prices range from $4.8 to $97.99, with an average of $29.59. 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 $97.99 — giving you a wide budget spread to work with. The average price of $29.59 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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