Not ideal for listening to music unless you really love your bass.- Not all that compact.

These headphones have awesome sound, great bass, and they're only $35

Outstanding bass response and mid/high reproduction.

; if you're careful, these shouldn't break)Cons -- bass doesn't extend super low; not much bass output below about 50 Hz- for electronic and rap/hip-hop music, lack of very low bass is an issue with SOME songs.

They're pretty comfortable, and the sound quality is not bad, except for what sounds to my ears like an exaggerated, slightly muddy bass

This sounds fantastic across the board: well-articulated bass, buttery smooth mids, and clear highs without any edginess and glare.

Very clear treble, and decent bass.

Good bass, but not too heavy

I think these cans have been re-designed to try to match the more popular bass-heavy Beats and other bestsellers

You don't need much volume on your device, and the bass is quite strong, especially since the ear pads look very similar to cheap models that are typically very tinny

I have not had any issues with it breaking or anything, and it delivers some nice bass and sound for the price

They ok n the bass is crazy but 2 things these are old skool

The ear buds that came with my phone have better bass expression.

I like the retro look, and they have well rounded bass and highs

Fidelity is superb, with an emphasis on rich, smooth bass without muddiness

The bass on these headphones is AMAZING for this price range.

I love bass, and the bass sound is extremely good

Bass is overemphasized and drowns out the rest.

I have other well regarded headphones from Grado and Sennheiser, but these are just fantastic - they are easy to drive with portable devices - no external amp needed - and are tuned for a warm sound with plenty bass, but not exaggerated bass like the headphones with certain rap artists names on them

I'm not sure what really constitutes "good" or "deep" bass, but boy did these things wimp me when I listened to Skrillex

As it's stated, the bass and sounds are wonderful

Classic headphone has pretty good sound, with pretty strong bass, surprising for an on-ear design with no seal against the ear

good sound deep bass

Nice smooth bass with decent highs

Nice bass for the money.

Great Bass, Clear vocals, good overall balance and very loud

For the first 5 weeks, the sound was great, a big upgrade from the pedestrian Sony headphones I had been using; good bass, decent highs and mid-ranges, and a nice separation of sound.

Bass is both overpowering and slightly muddy

Sound quality, bass response as well as treble are excellent.

You definitely notice the beautiful bass

They love bass, have fantastic highs and does not fail on the midrange either!!

Sound quality is fantastic, great bass and highs.

It has the best bass of it's small size

Fantastic mids, highs and surprisingly pleasant bass

Great full spectrum stereo sound and really good bass response.

Rich, full bass and clear highs without being piercing.

And let me tell you these things have good bass, I was hoping they would and wasn't thinking they would be as good on the bass as they are

I'm extremely unhappy with these overall, but maybe once the metal stretches out a little they'll become more comfortable, and at least I have something to contrast with my tinny cheap Panasonics Panasonic On-Ear Stereo Headphones RP-HT21 (Black & Silver) Lightweight and Comfortable, Powerful Bass

and it doesn't get even close, powerful bass for playing keyboard and edrums.

These have fantastic bass

The bass production and fidelity you get with these is incredible

Crisp, clear sound, and full bass

Excellent bass,low price

Good quality, especially the bass.

The sound quality is balanced, warm and clear with good bass extension, however, it had a tendency to get a little flabby, muddy and fatiguing with dense musical passages with portable music players.

For Rap/Pop/etcI didn't give these a 2 star because most people do not like classical and these headphones do deliver good bass.

My pros, cons, and conclusion below:Pros ++ great overall sound quality, probably unbeatable at this or even double this price+ potent but not overbearing bass; fairly neutral mids and highs; no listening fatigue+ comfortable and secure

the bass is ridiculously good, the overal quality is decent but the bass is where it's at. portable. affordable

the best BASS to get you moving under $100 and overall quality

Good bass for a cheaper set of phones.

These Koss Porta Pro are amazing: superb sound (more bass than the 7506, though, if you are into flat response), extremely light, not leaking in or out as much as people say (totally OK for outdoor and public transportation listening), easy to adjust pressure on the head, very compact when folded and put in the pouch coming with them (see picture), I also like the jack angle which is halfway between 90° and straight

These Koss Porta Pro are amazing: superb sound (more bass than the 7506, though, if you are into flat response), extremely light, not leaking in or out as much as people say (totally OK for outdoor and public transportation listening), easy to adjust pressure on the head, very compact when folded and put in the pouch coming with them (see picture), I also like the jack angle which is halfway between 90° and straight

They have good bass that doesn't drown out the rest of the sound

Excellent overall sound quality, definition and good bass response!

I only give this a 4 because of the style but my nephew absolutely loves the sound and the bass

Great clear sound with ample bass.

The Koss Porta Pro headphones have surprisingly good bass response for an open ear design.

Otherwise the sound is clean and bass is great for the price.

Other than that, these have excellent clear sound and bass.

Overall this is a great open-back headphone with good quality bass and is very comfortable

comfortable，good deep bass performance

I also have the Sennheiser PX-100II which has a slightly muddier bass whereas this has clearer highs/mids.

Strong bass, good high response, warmish sound

Lightweight, clear high notes with solid bass response

Comparable to ATH-M50s, but the bass is not as clear

Doesn't give you nice bass/sound quality compared to more expensive headsets that cover your entire ear, but I use it when I go for bike rides, train rides, etc and it works perfectly

If you like turning up the bass, you'll like these

Balanced, pretty good bass.

Ignore other stuffs, enjoy the bass.

These are much better than a lot of newer brand, or name specific head phones, the bass and treble and mids are great... especially for the price

There is pretty good bass presence.

The bass is stronger and the midrange and highs are more defined.

i love these headphonesPros-excellent bass responseexcellent sound quality in generallightweightcomfortableConssometimes hair is ripped out by the band (a minor issue if you have short hair)rarely hair will get into the driver and distort sounds (ive only seen this once)other thoughtsit has a somewhat short cable, which is great for exercising, but not so much for home use

Its clarity is rather good and its tone pretty natural (compared to some European $300~ headphones), its bass is present, but not powerful (but neither excessive

The tonal reproduction of each instrument in the London Symphony Orchestra or the Beattles is faithful and the bass is solid, not muddled or weak

The bass is impressive for this style and price point

I just hope the extra bass doesn't give me a headache after wearing them for an extended period of time

Highs and Mids are fantastic and the Bass is great

Classic good sound with solid bass and presence.

Extraordinary bass, you'd love it.

; if you're careful, these shouldn't break)Cons -- bass doesn't extend super low; not much bass output below about 50 Hz- for electronic and rap/hip-hop music, lack of very low bass is an issue with SOME songs.

Fabulous bass!

Bass is simply amazing

In this quest, I bought (and resold) several promising candidates: Sennheiser HD-25 (too punchy basses were tiring), Sony MDR-10RC (muddy basses), Sennheiser Momentum 2.0 on-ear (too much bass and too bulky on the ears), as well as many other headphones I tried in stores

Excellent bass, midrange & treble

Bass was crisp and clear with no distortion and the highs were also crisp and pleasant to the ear

, I threw that out there for the people who love their bass and that's all

As for sound, the PortaPro has phenomenal mids and a great bass punch

But in all honesty, the bass is unbeatable for the price

Awesome bass n treble for the price, only problem is others get to.hear light sound when u hear at 75% of Max vol

I would not mind a constant low from it, but if I have a song with a mid bass spectrum peaking higher, I would prefer to hear that tighter bass, not this muddy sounding bass

Good bass, decent midrange and treble

The PortPro add space to the music, the bass is powerful but not too much and the highs are well balance

some good bass that doesn't veil the mids too much and solid highs that don't sound too dark

Excellent lightweight over-the-ear headphone with a great bass and tremble range

That is how I prefer to listen to my music, more bass/mid heavy

The sound is probably best described as "warm", but don't worry, the bass isn't overpowering - everything just sounds perfectly balanced

The bass is pretty good as well for such a lightweight driver.

no joke, and the punchy bass makes the drums sound great!

The bass is pretty good as well for such a lightweight driver.

The bass is decent but the treble is a little painful

They have everything you’d want in a good pair of headphones:- Clear, balanced, BEAUTIFUL sound, with excellent but not overpowering bass.- Lightweight and compact but durable.- Incredibly comfortable with lots of adjustment options.- Light on the ears so you can hear what’s going on

no joke, and the punchy bass makes the drums sound great!

The sound is probably best described as "warm", but don't worry, the bass isn't overpowering - everything just sounds perfectly balanced

The bass was muddy, the treble was non-existent and even with the light pressure setting, they were uncomfortable after 10 minutes.

The sound quality is excellent, with good bass response and excellent clarity

The sound quality is excellent, with good bass response and excellent clarity

These ar not noise cancelation but have an excellent bass response to them

Simple design, superb bass response.

Great clarity and bass

Great clarity and bass

Sound has nice bass without being boomy

They are dynamic and full with great bass and a nuanced high end

the Bass is very good but not boomy, mids are smooth, and highs are good until you get near max volume

Mostly important, the bass is very impressive, even kind of too much....

Music is crisp and clean with good bass, mids and highs

Bass is excellent and not tinny at all.

Amazing bass and comfort (

Really nice bass response for a great price.

Bass is just right

Very clear and crisp, with good bass for this type of headphone

Bass and clarity are unbelievable for the price

I’ve owned this model of Koss headphones before, with much much better treble, AND great bass

Tight bass, crisp mids and highs and extremely comfy and lightweight.

The bass is nice and balanced while being crisp and not overbearing - same with the treble and midtones

Plenty of deep, enjoyable bass and good overall presentation with clear details.

As my music taste is eclectic, I listen to everything from Metallica, Classical, R&B, Rap to Oldies and these headphones don't disappoint

excellent as before

The only thing I think the Portapro's could improve on are comfort and perhaps a removable/replaceable cable(s

The only thing I think the Portapro's could improve on are comfort and perhaps a removable/replaceable cable(s