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Koss KSC75 Portable Stereophone Headphones, Single, Standard Packaging White/Gray

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4,195 ratings

| 104 answered questions

Amazon's Choice in On-Ear Headphones by Koss

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Brand	Koss
Color	White/Gray
Connectivity Technology	Wired
Model Name	KSC75
Form Factor	On Ear

About this item

Connectivity Technology: Wired
Sport clip design fits neatly around each ear, with pivoting earplates for a comfy fit
Titanium-coated drivers deliver accurate sound reproduction with little distortion
Neodymium iron boron magnets offer deep bass performance for an extended frequency response
Cord measures four feet long; L-shaped 3.5 mm plug
Limited lifetime warranty
Frequency response - 15hz–25khz

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This item:Koss KSC75 Portable Stereophone Headphones, Single, Standard Packaging White/Gray $18.50
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Koss Porta Pro Black On Ear Headphones with Case Black $29.99
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From the manufacturer


On Ear Clip Headphones Lightweight on-ear clip portable headphones with soft, pivoting ear clips.	Connectivity Wired, Dual entry 4-foot headphone cable that connects to devices via 3.5mm plug.	Great Sound High quality headphones with Titanium Coated Drivers that create exceptional sound, designed for frequent use. Great for use at school, work, home, and on-the-go travel.	Works with Any Smartphone, Tablet, PC, Laptop, Studio Equipment, DJ Equipment, Portable DVD player, radio and any other device, with a 3.5mm plug.


	Koss KSC75	Koss KTXPro1	Koss KPH30ik	Koss KPH30iw	Koss Porta Pro Classic	Koss Porta Pro Wireless
Type	Headphones	Headphones	Headphones	Headphones	Headphones	Wireless Bluetooth Headphones
Fit	On-Ear Clip	On-Ear	On-Ear	On-Ear	On-Ear	On-Ear
Connection	Wired (3.5mm plug)	Wired (3.5mm plug)	Wired (3.5mm plug)	Wired (3.5mm plug)	Wired (3.5mm plug)	Wireless Bluetooth
Microphone	No	No	In-Line Microphone	In-Line Microphone	No	In-Line Microphone
Controls	No	In-Line Volume Control	In-Line 1-Button Control	In-Line 1-Button Control	No	In-Line 3-Button Control
Sound	Koss Titanium drivers tuned for personal listening	Koss Titanium drivers tuned for personal listening	Balanced for personal listening	Balanced for personal listening	Classic Koss Porta Pro sound with exceptionally deep bass	Wireless Bluetooth sound that is indistinguishable from the Koss Porta Pro Classic
Comfort	Pivoting ear-clip	Sling headband	Sling headband & patent pending earcup suspension	Sling headband & patent pending earcup suspension	Comfort Zone temporal pads & custom fitting earcups	Comfort Zone temporal pads & custom fitting earcups
Cushion	Soft foam (replaceable)	Soft foam (replaceable)	Soft foam (replaceable)	Soft foam (replaceable)	Soft foam (replaceable)	Soft foam (replaceable)
Portability & Travel	Lightweight & small form factor for easy storage	Lightweight design	Rugged design for commutes & travel	Rugged design for commutes & travel	Collapsible & includes carry case	Collapsible & includes hard carry case
Bluetooth Version	n/a	n/a	n/a	n/a	n/a	Bluetooth 4.1 with apt-X

Compare with similar items

		Massdrop x Koss KSC75X On-Ear Portable Headphones with in-Line Microphone, Midnight Blue	Koss Porta Pro On Ear Headphones with Case, Black / Silver	Panasonic- Rp-hs46e-k Slim Clip On Earphone - Black	Parts Express Mini Stereo Lightweight Headphones with 4 ft. Cord	Besign SH03 Bluetooth Sports Headphones, Wireless Stereo Running Earphones for Music Streaming and Handsfree Calling, 25 Hours Music Time

Customer Rating	(4195)	(62)	(5339)	(6061)	(556)	(3364)
Price	$18.50	$25.00	$34.99	$13.90	$6.99	$29.99
Shipping	FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime	FREE Shipping. Details	FREE Shipping. Details	FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime	FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime	FREE Shipping. Details
Sold By	Amazon.com	Amazon.com	Koss Stereophones	DREAM FIELD K	Prime Optimization	Besign Direct
Color	White/Gray	Midnight Blue	Black/Silver	Black	Black	Black
Fit Type	On-Ear	on-ear	On-Ear	On-Ear	On-ear	On-Ear
Item Dimensions	6.5 x 2.5 x 6.5 inches	—	6.81 x 2 x 8.94 inches	6.7 x 3.86 x 0.59 inches	5 x 4 x 2 inches	5.91 x 4.72 x 0.98 inches
Item Weight	1.52 ounces	1.45 ounces	2.79 ounces	0.56 ounces	—	3.00 ounces
Special Features	Sports-Style	Tangle-Free Cord, Foldable, Android Phone Control, iOS Phone Control, Lightweight	foldable, lightweight	Mp3 /Cd For Ipod	lightweight	wireless

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Product description

Style:Single | Product Packaging:Standard Packaging

Connectivity: Wired - Stereo - Over-the-ear - Black, Gray, White

Product information

Style:Single | Product Packaging:Standard Packaging

Product Dimensions

6.5 x 2.5 x 6.5 inches

Item Weight

1.52 ounces

Department

Unisex-adult

Manufacturer

Koss

Language

English

ASIN

B0006B486K

Item model number

KSC75

National Stock Number

5965-01-572-9399

Customer Reviews

4,195 ratings

4.3 out of 5 stars

Best Sellers Rank

#73 in On-Ear Headphones

Is Discontinued By Manufacturer

Date First Available

January 23, 2005

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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Warranty does not cover misuse of product.

Customer Questions & Answers

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Customer reviews

5 star		65%
4 star		18%
3 star		8%
2 star		4%
1 star		5%

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Top reviews from the United States

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Is It Dead Yet

A must-have music maker, great sound and convenience.

Reviewed in the United States on May 6, 2018

Style: SingleProduct Packaging: Standard PackagingVerified Purchase

I've owned these Koss KSC75 headphones for about 4 months, and they are the cheapest headphone in my collection. I also own MrSpeakers Aeon Flow Open, Alpha Prime and ZMF Ori. The Koss are incredibly light and the around-ear fit-piece keeps them on your ears. Even with my big ears, they seem to ''disappear'' fairly quick once they are on my head, very good comfort!

I only use them for critical listening, not for jogging, gym or outdoor use; they do not have the tightest fit against the ear and I do not think they are good for highly-active use. I find they reproduce music remarkably well, the overall sound is very well balanced, neutral and inoffensive; instrument seperation and soundstage are very good. The KSC75 has quite a reputation among d.i.y enthusiasts for its ease of modding to improve the overall sound for little to no cost.

There is a popular mod for these headphones called the ''KSC75 Kramer mod'', head-fi member kramer5150 introduced this mod over a decade ago. There are full guides on youtube and head-fi on performing the kramer mod, but I prefer just the simple drill mod.

Start with removing the pads, then carefully prying the black plastic grill from the driver. Using a Dremel tool with 5/32'' and 1/8'' drill bits, drill holes in the areas in the attached pic. This mod improves the overall clarity and brings the sound forward, making for a more fun listening experience. Mid and treble detail improves slightly with this specific drill mod and it also seems to add weight to chugging guitars..it can be tremendously satisfying at times. The biggest change in the sound is the bass. Bass punch and extension improves slightly, reaching as low as 60-70hz in my tests, not bad for a small dynamic driver!

The best thing about these little Koss are ease of use/replacement; they are under $20 and super easy to power. My other headphones need an amp to get them to acceptable volume, but these guys can be driven with anything and are great for general purpose and even gaming.

65 people found this helpful

Helpful

SrBoromir

On my 3rd pair, might've figured out the problem

Reviewed in the United States on September 19, 2019

Style: SingleProduct Packaging: Standard PackagingVerified Purchase

So while I love these headphones, I'm on my third pair now, they last about a year for me before dieing. At first I thought it was failing cables, but whenever I opened the headphones up, there was no continuity between the two sides of the driver, so it turns out the problem is the micro wires going from the driver to the solder points, the micro wires run under the soft glob of yellow goop below the solder points, but the black cable runs over top of this goop, over time the black wire pushing around breaks the micro wires,
This explains why moving the black wire around can sometimes temporarily fix a failing speaker.

So the theoretical repair for this brand new set of headphones is to put a layer of super glue gel over the yellow glob to give a hard layer that the black wire can't push through, will update with results down the line.

Update - 3-10-21
This pair is still working, and I haven't been careful with them. They live stuffed in a suitcase full of A/V equipment, rolled around every weekend.

43 people found this helpful

Helpful

Jesse M

Great sound for not much money but they won't last

Reviewed in the United States on July 27, 2016

Style: SingleProduct Packaging: Standard PackagingVerified Purchase

These headphones sound better than some expensive alternatives which is impressive. I like the way they latch onto the ear so I can put one on during work and still hear all the background work chatter or put both on and drown it out without messing up my hair, so aces for that.

However they don't last. I have had 3 pairs and each of them has failed. First pair I ordered Dec 2013 which worked for about a year and then I bought a second pair in Oct 2014 which worked bot about a year when I then purchased my third pair in July 2015 and they just now (July 2016) stopped worked.

In every single case one of the ear pieces stopped putting out sound while the other got very quiet. I was convinced that the reason the first two stopped working was because I just tossed them in a bag and maybe the cable got pinched a little too hard by a book or my laptop or something so with the 3rd pair I got a tupperware case and I put the headphones in it religiously before putting them in my bag and yet here we are a year later and they still failed.

They sound great but they just aren't robust.

115 people found this helpful

Helpful

Vegas Strong

Fantastic for running but a huge design flaw.

Reviewed in the United States on February 5, 2015

Style: SingleProduct Packaging: Standard PackagingVerified Purchase

I have now purchased 7 pairs of these headphones. They are fantastic for running (or anything that gets you sweating) because they don't allow sweat to accumulate in your ear the way plastic in ear buds do. They have a good sound for what they are and allow you to still hear what's going on around you, to a degree. If I'm running, I want to be able to hear sirens, horns, someone yelling that they are passing me, or a dog getting ready to shred me to pieces.

So why 2 stars on such a fantastic running headphone? Because the wires constantly break down at the jack connection. as the wire moves around from your body moving, one of the two earphone wires eventually breaks down and you are left with one earphone. Not the worst thing in the world, except for one huge side effect. On most phone devices, when a wire is bad on a headphone, especially broken, the device reads the jack as either being lose or not in at all. So this will randomly shut off all sound to the headphones.

I've used many different style headphones on a daily basis for work and training and these have the highest rate of failure at the jack connection.

There is a lifetime warranty with Koss, however it will cost you $9, plus the cost to ship the headphones. So at $15 from Amazon, you are really only saving a couple bucks, but have to deal with the time of waiting for Koss to receive, process the return, and ship out another set. My suggestion is get a couple pairs and return when it breaks and use the back up. I return 3 at a time to save me on the shipping.

If it wasn't for the faulty wiring and connection, this would be a superb 5 star product that should be owned by every runner, or active person.

135 people found this helpful

Helpful

Top reviews from other countries

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jonga

Sonido espectacular en un diseño horrible

Reviewed in Mexico on August 16, 2019

Style: SingleProduct Packaging: Standard PackagingVerified Purchase

Si, son feos, pero reproducen un sonido que compite con productos que cuestan 10 veces mas, y no, no estoy exagerando.

Lo bueno:
. El sonido, simplemente incredible, el rango y detalle son cercanos a grado hi-fi, nunca había escuchado bajos tan agresivos ni voces tan claras, ni agudos tan definidos en un conductor de este tamaño.
. Relación calidad-precio, estos pequeños audífonos son lo mejor que puedes comprar con menos de $400, tan simple como eso, de hecho, son lo mejor que puedes comprar por el doble, triple, no hay competencia.
. Portátiles, son muy ligeros y pequeños, los puedes llevar en la bolsa de la camisa, el cable es lo suficientemente largo para el uso de escritorio, pero no tanto para ser estorboso.

Lo malo:
. Están bien feos. Este diseño no se ha actualizado desde mediados de los 90s, y ya era feo en ese entonces. El clip es de metal cubiérto de plástico traslúcido. Una cara que solo John C. Koss puede amar.
. El buen sonido se debe a que la cubierta deja pasar el aire, esto hace que se puedan apreciar frecuencias bajas con poder, pero el precio a pagar es que todos a tu alrededor pueden escucharte y tu a ellos, ya que existe ningún tipo de aislamiento.
. La comodidad compromete la calidad de sonido, entre mas ajustado tengas el clip, mejor sonido tendrás, pero será mas cansado para tus orejas. Muchos usuarios cambian los clips por diademas (es sencillo hacer la modificación si consigues una diadema independiente) pero esto desafía el propósito deportivo.

En conclusión, los KSC75 no son la mejor opción en cuanto a moda y confort, para eso son los beats o skull candy, pero su sonido es tan bueno y su precio tan accesible, que lo demás no importa, la pura curiosidad justifica el gasto.

27 people found this helpful

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Peter Klose

geniales Produkt!

Reviewed in Germany on June 26, 2019

Style: SingleProduct Packaging: Standard PackagingVerified Purchase

Als leidenschaftlicher Kopfhörer-Sammler wollte ich mir zur Abwechslung mal Ohraufliegende holen, da ich solche Hörer seit ca. 25 Jahren nicht mehr auf dem Kopf hatte. Zuerst hatte ich die Koss Porta Pro auserkoren, bis ich dann in diversen Rezensionen gelesen habe das die KSC75 sogar noch besser klingen sollen.
Wie hier schon oft beschrieben, sollte man sich unbedingt von der Minimal-Verpackung und der billigen Optik nicht täuschen lassen!
Zuerst dachte ich mir ,mal sehen ob ich die Teile auf meinen recht asymmetrischen Ohren (das rechte steht mehr ab als das linke) halbwegs zum Halten kriege‘. Überraschenderweise klappt das viel besser als gedacht. Auch wenn es relativ fummelig ist, bis man die Teile in Position gebracht hat, musste ich an den Bügeln noch nix verbiegen. Sie sitzen bombenfest ohne irgendwo zu drücken. Auch die Befürchtung das sie für eine anständige Basswiedergabe zu locker sitzen, bestätigte sich nicht! Drückt man die Hörer leicht gegen das Ohr verändert sich der Klang so gut wie gar nicht! Egal ob man flach im Bett liegt, nach vorn gebeugt oder sonst wie hört, es klingt immer gleich! Das gibt es sonst nirgends!
Isolation gibt es dafür keine. Umgebungsgeräusche hört man exakt genauso laut wie ohne.
Und wegen der fehlenden Zugentlastung an den Hörern sollte man immer vorsichtig sein.

Nun aber zum eigentlichen Highlight dieser Hörer, dem Klang:
Vom Charakter her ähnlich wie gute elektrostatische Lautsprecher, intonieren diese Hörer jegliche Musik mit einer kaum vorstellbaren Klarheit und Neutralität, das es einem die Sprache verschlägt! Besonders akustische Instrumente wie z.B. Gitarren klingen derart crisp und sauber, wie ich es höchstens von meinen 1000€ teuren Magnetostaten Audeze LCD-2 kenne! Prinzipbedingt gibt’s beim Bass, insbesondere im Tiefbassbereich nicht die physische Wirkung, die man von In Ears oder geschlossenen Over Ears kennt, was z.B. ein Schlagzeug auch mal minimal schmächtiger klingen lässt. Aber andererseits wird durch diese leichte Zurückhaltung auch nichts nur ansatzweise verdeckt oder aufgedickt.
Der Check mit speziellen Messtönen + langsamen Gleitsinus von 20Hz-16kHz bestätigt das hier, im Gegensatz zu fast allen In Ears, keine scharfen Höhenspitzen oder Einbrüche herausstechen! Meiner Erfahrung nach steht und fällt der Klang von Kopfhörern sowieso hauptsächlich mit dem Frequenzgang und steigert sich nicht zwingend mit dem aufgerufenen Preis! (hier hatte ich mir schon auf einer Messe 3000€-In Ears von Shure nach 5 min. aus den Ohren reißen müssen!) Das bestätigt sich hier erneut!
Also, vor allem zu diesem Preis eine unbedingte Empfehlung!

16 people found this helpful

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Matthew Hill

Value for money

Reviewed in the United Kingdom on March 15, 2021

Style: SingleProduct Packaging: Standard PackagingVerified Purchase

By far the best value for money headphone on the market. these punch far above there price and sound better than many headphones 3x the value. They are extremely comfortable and don't slip off even when moving about.
Perfect and just what i was looking for

KSH

Best clip-on headphones I ever owned, but cable quality could be improved

Reviewed in Canada on November 12, 2017

Style: SingleProduct Packaging: Standard PackagingVerified Purchase

I have owned many clip-on headphones before, ranging from Sony to Panasonic to Audio-Technica to Philips. Most of them broke due to mechanical failure from normal usage or were very painful to wear for long periods.

As for these Koss ones, only time will tell if the construction is good. The sound is what truly shines. With 45mm drivers, these clip-on headphones are able to deliver good bass response along with crisp trebles. None of my previous sets were able to give a full spectrum of sounds like these Koss. I also don't need to crank the volume as much to listen to music or movies.

I highly recommend this set for people searching for high quality clip-ons!

Update 2018-06-06

After regular normal usage, the cable has split open at various sections, exposing the wires, which had to be repaired by applying hot glue.

The soldered connection for one of the earpieces is also coming loose, making it lose audio signal if bent at certain angles.

This is a bit of a shame, since no other earclip headphones I owned in the past have come close to this pair in terms of audio quality.

I had to bump the rating by 1 star.

18 people found this helpful

Kevin Röser

Audeze iSine alternative

Reviewed in Germany on May 11, 2019

Style: SingleProduct Packaging: Standard PackagingVerified Purchase

Habe mir diese Kopfhörer Spaßeshalber gekauft nachdem Zeos (Z reviews) sie so gelobt hat.

Ich habe Audeze iSine 10 (Neupreis ~400) hier mit welchen ich die Koss Vergleiche.

Komfort:
Hier gewinnen die Koss klar, da dessen Ohrbügel mit weichen Silikon ummantelt sind und sich der Metallkern so biegen lässt wie man ihn gerne hätte. Bei den Audeze handelt es sich um billiges, steifes und schon fast scharfkantiges Plastik . Die iSine besitzen außerdem ein sehr großes Schallrohr welches vor dem Gehörgang liegt während die Koss luftig locker auf dem Ohr aufliegen.

Kabel:
Auch hier Siegen die Koss. Zwar ist das Kabel bei den KSC75 nicht Wechselbar wie bei den iSine aber das runde Kabel neigt nicht so stark dazu sich zusammen zu falten wie das Flachkabel der Audeze. Perfektes Upgrade für diese tollen Kopfhörer wäre eine Version mit MMCX Anschluss.

Klang:
Hier kommt der Pluspunkt der Planar Technik der iSine zum Vorschein. Scharfe knackige Kickdrums. Dennoch, auch die Koss verfügen über einen schönen Bassbereich. In der Höhen liegen sie sogar wieder vorne da dort die iSine, insbesondere die Version ohne Cipher (Apple adapter), etwas weniger brilliant klingt. Stimmen rücken somit auch etwas on den Hintergrund. Durch die offene Bauweise erreichen die Koss ebenfalls eine gute Soundstage (Bühne Räumlichkeit).

10 people found this helpful

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