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Koss

Koss KPH40 Retro On-Ear Headphones, Vintage 80s 90s Style, Orange Cushions | Lightweight, Ultra-Wide Frequency Response, Stainless Steel Adjustable Headband

  • Based on 26 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Sep 18 – Sep 25
Order within 16 hours and 38 minutes
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Features

  • LEGENDARY RETRO SOUND - Experience unmatched high-fidelity audio in an ultra-lightweight retro design only Koss can deliver.
  • ULTRA-WIDE FREQUENCY RESPONSE - Driven by Koss 60 ohm dynamic drivers, KPH40 Retro delivers stunning detail and clarity across an ultra-wide 15-25,000 Hz frequency response.
  • VINTAGE STYLE - Inspired by 1980s Koss classics like P/19 and KFF/100, KPH40 Retro features retro-style orange foam cushions for a comfortable listening experience.
  • STRONG AS STEEL - An elegant, ultra-durable stainless steel headband with articulating ear cups provides a comfortable listening experience for hours of use.
  • SIMPLE CONNECTION - Connect to your CD player, tape player and Walkman with a convenient 3.5mm standard headphone jack plug

Description

Hearing is Beleiving Experience unmatched high-fidelity audio in an ultra-lightweight retro design only Koss can deliver. 15-25,000 Hz Driven by Koss 60 Ohm dynamic drivers, KPH40/Retro delivers stunning detail, transparency & clarity. Just 109 grams An elegant, stainless steel headband delivers a durable, ultra-lightweight listening experience. A precision-crafted stainless steel headband adapts to every head for unmatched comfort. Soft Foam Cushions KPH40 Retro features retro-style orange foam cushions for a comfortable listening experience. Koss 60 ohm dynamic drivers deliver breathtaking high-fidelity sound with exceptional clarity and an ultra-wide frequency response from 15–25,000 Hz. KPH40 Retro features an adjustable headband and articulating ear cups providing a comfortable listening experience for hours of use. Inspired by 1980s Koss classics like P/19 and KFF/100, KPH40 Retro features retro-style orange foam cushions for a comfortable listening experience. A precision-engineered stainless steel headband delivers exceptional strength in an ultra-lightweight design, built for portability and longevity. Drawing inspiration from 1980s Koss classics like the P/19 and KFF/100, the KPH40 Retro combines iconic retro design with modern high-fidelity performance, featuring an adjustable stainless steel headband and retro-style orange foam cushions for legendary portability and the legendary Sound of Koss. Precision-tuned 60 ohm dynamic drivers, mounted on articulating ear cups, deliver exceptional clarity, nuanced detail, and full transparency across an ultra-wide frequency response spanning 15–25,000 Hz for an immersive, studio-quality listening experience. KPH40/Retro delivers a timeless audio experience rooted in over 65 years of sound innovation and design only Koss can deliver. Enjoy incredibly spacious, detailed high-fidelity audio with an ultra-wide 15-25,000 Hz frequency response, bringing your music to life with unmatched depth, bass response and detail you have to hear to believe. A durable, stainless-steel headphone paired with vivid orange retro-style cushions adds a vintage hi-fi aesthetic that looks as good as it sounds. See What's Included Take a closer look at the vibrant retro-style orange cushions, ultra-lightweight stainless steel headband, and 60-ohm dynamic drivers engineered to deliver rich, high-fidelity sound with unmistakable retro soul only Koss can deliver in this unboxing video. KPH40 Utility Standard Cushions Oversized Cushions Porta Pro Wireless Porta Pro Utility Porta Pro Porta Pro Limited Edition

Brand: Koss


Color: Silver


Ear Placement: On Ear


Form Factor: On Ear


Impedance: 60 ohm


Brand Name: Koss


Model Number: KPH40 Retro


Model Name: KPH40 Retro


Built-In Media: Headphone


Age Range Description: All Ages


Warranty Description: Limited Lifetime Warranty


Number of Items: 1


UPC: 021299198315


Manufacturer: Koss Corporation


Headphones Ear Placement: On Ear


Headphone Folding Features: On Ear


Earpiece Shape: Rounded


Impedance: 60 ohm


Sensitivity: 101 db


Audio Driver Type: Dynamic Driver


Frequency Range: 15-25,000 Hz


Enclosure Material: Stainless Steel


Specific Uses For Product: Entertainment, School, Travel


Antenna Location: Audio Monitoring, Cycling, Driving, Exercising, Meditation, Recording, Running, Skateboarding, Studio


Compatible Devices: Cellphones, Desktops, Laptops, Portable Media Player, Tablets


Additional Features: Adjustable Headband, Lightweight


Headphone Jack: 3.5 mm Jack


Connectivity Technology: Wired


Color: Silver


Style Name: Retro


Unit Count: 1 Count


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 18 – Sep 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Outstanding, Almost Perfect Outstanding, Almost Perfect
Review Image by Andrey Marquart
Review Image by Andrey Marquart
These are shockingly good for $30. Paired with my Fiio M21 and it's Retro Cassette Case they just look phenomenal. Sound quality is incredible for the price. You would not think something so basic could sound this good. It doesn't quite hold up to my dedicated headphones and IEMs but those cost hundreds and these a mere $30. Way outperforms for the price. The detail is pretty solid but the soundstage is where these really shine. Unbelievable how wide it is on something so unassuming. One final note they get really loud when driven by my M21 and remain crystal clear even at high volume! Build quality is a mixed bag. I previously bought a pair of Portra Pros and actually sent them back because I thought they felt so cheap so was really hesitant here. fortunately it looks like Koss has made some improvements as these feel pretty well made for the price. The steel headband in particular is very thick. I still wish they sold a "pro" model that was an all metal build and included cables that detached at each ear. As these still have cables that directly wire into each ear cup, and it just feels like such an easy fail point. Koss if you are listening please use a 2 pin or similar connection so the cable can be completely removed! I am still so afraid I will one day tear the cable out by accident as it just loosely hangs out each cup. Overall tho for the price these feel perfectly adaquete I just would happily pay more for a more robust model as I want something I can throw around without concern. Comfort is expectedly great due to how light they are. No hair pulling from the metal band either which is a nice surprise. Overall these are so close to perfection and miles better than the Portra Pros. These have that retro charm in a solid chassis and sound amazing, all at a crazy low price. Here's to hoping one day Koss makes an all metal version with detachable cables as then these would truly be perfect. ... show more
Reviewed in the United States on June 4, 2026 Reviewed in the United States on June 4, 2026 by Andrey Marquart
    • These Headphones Will Change Your Life These Headphones Will Change Your Life
Review Image by Nicholas U.
Review Image by Nicholas U.
Koss headphones have changed my entire perception of sound. I bought the Porta Pros a little while ago and was blown away by listening to songs that I’ve been hearing for years, and noticing new notes and depth in them. These KPH40s are even cheaper than the porta pros, and in many ways they feel higher quality. The metal band over the top is fairly solid and the oversized orange ear pads are great. The headphones themselves are super simple; basically just the drivers, pads, and metal bar. The cord is possible the only downside to build quality, as it feels like it could be easily snagged and damaged. But for $30?? You can’t go wrong. The sound quality on these is amazing. Coming from Sennheiser (and Bose before that) it becomes clear to you that this is how headphones should sound. They are balanced with nice bass and can play the full frequency range. I’m using them with my PC but they’d be plenty comfortable enough to wear pretty much anywhere. Cannot recommend these strongly enough! ... show more
Reviewed in the United States on June 15, 2026 Reviewed in the United States on June 15, 2026 by Nicholas U.
    • A budget set which punches well above its weight.
I picked up the Koss KPH40 because I wanted something lightweight, simple, and easy to use without feeling like I had a bulky pair of headphones on my head. After using them, I can see why people like them so much. They are extremely comfortable, almost to the point where you forget you are wearing them. The headband is minimal, the pads sit lightly on the ears, and they do not clamp hard at all. Sound-wise, they are honestly better than I expected for the price. They have that classic Koss sound: warm, open, and easy to listen to. Vocals come through clearly, guitars and acoustic tracks sound natural, and they have enough bass to feel full without getting muddy or overwhelming. They are not going to give you deep sub-bass or a super detailed “audiophile” presentation, but that is not really what these are trying to be. They are just fun, relaxed, and very listenable. I would recommend a combo with the Yaxi pads in order to really maximize your experience. ... show more
Reviewed in the United States on June 25, 2026 by Will Anthony
    • Mod them immediately! Mod them immediately!
Review Image by Danny
As you can tell I’m a fan. The kph40s and koss in general are definitely my all around favorite headphone. Modding them is a no brainer because if I mess up BAM new pair. This new pair for some reason feels more solid and the drivers have a more firm pivot to them. I really think Koss adjusted the tuning a smidge as they seem slightly more clear and punchy. Might mod them with a new cable to make them more versatile but as you can see that area is covered. What can I say! They’re awesome. Update: so I did ad the mmcx mod to a pair and they handle bass much better than the other kph40s.. besides clarity one of the beige pair which I don’t understand.. Just go balanced cable mod and a ifi go blue or quidelix with some appropriate yaxi pads and they’ll sound better than most any headphones out there without a doubt. This outperforms everything else i own. ... show more
Reviewed in the United States on June 7, 2026 Reviewed in the United States on June 7, 2026 by Danny
    • Great for light weight headset
For 30 dollars these are amazing. Great bass, clear vocals. Lightweight. I'm simply amazed at the quality. I have Sony MX4 (350$) and Audiotechnica mx50(250$) and these compete with those in terms of audio quality. But very light and comfortable and on top of that only a fraction of the price. Great pair to have for going on walks or something where you want a light weight headset. ... show more
Reviewed in the United States on June 15, 2026 by Mariana
    • Amazing sound for the price.. nothing is even close!
Wow... these are amazing! I have a few pairs of the more exotic higher end headphones.. No, these are not the same, but for $30, these are crazy good! and they weigh nothing, so you can leave them on for long sessions, they sound great, and you don't get head fatigue like I do with some of my bulky, heavy headphones. Give these a try!! ... show more
Reviewed in the United States on June 5, 2026 by Eric R. Lamb
    • Amazing $30 headphones
Fantastic headphones for the price! Don’t let the look fool you!
Reviewed in the United States on June 25, 2026 by RD

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