Question 1

Hows the sound quality compared to Koss PortaPro?

Accepted Answer

I have both KSC75 and PortaPro.  If I don't do a A, B comparison I enjoy both, they both sound excellent.  If compare them A to B, I like the PortaPro's the best, they have a warmer sound good vocals smooth high end, very musical.   The PortaPro's also fold up and will fit in a large pocket of a jacket or coat.  The KSC75 have ear clips that I did not want to fool with , I just unsnapped the drivers from the clips and clipped them on an old headband I already had.  The KSC75 is not as warm sounding but the base is still there, a string base still sounds good.  Vocals sound very good and the high end may be a bit brighter.  Both are 60 ohm headsets so they are easy to drive with portable devices like cell phone.  They do have different drivers, KSC75 are Titanium and I think the PortaPro are Mylar.  The sound stage my be a little bigger and sharper defined on the ProtaPro, but only apparent in A, B comparison.  Remember one costs around $15 and the other is around $40.  I like them both.

Question 2

How / whereabouts is the volume controlled?

Accepted Answer

There is no volume control on the head clips. The levels are adjusted at the source machine, but you can probably find or make a separate cord with a spin-knob to regulate volume which would fit between the source and the clip jack.

Question 3

Will these work OK when wearing eye glasses?

Accepted Answer

I where prescription shades with a thicker side walls, and thin regular glasses, and works for both. I fit the units on first then the glasses find a way to fit around the headphones.

Question 4

Would these be good for running?

Accepted Answer

Absolutely.  I've been running with mine for almost seven years, and am just now going to replace them because the foam has deteriorated.  (Replacement foam is about half the price of a new set of headphones, so why not?)  I'm not an Ironman, but I jog - not walk.  Maybe 9 minute miles or so if that gives an indication.  And I run trails or the beach 95% of the time, so the jostling/direction change/etc is certainly more than just an average street or treadmill run.They are slightly loose when you first get them, but as somebody else pointed out, it's wire that can be slightly adjusted for the perfect fit.  Yes, mine have popped off a few times when there was tension (by design), but maybe 10 times in 7 years?  I can live with that.The thing I like best is the sound.  It isn't $300 level sound, but it's a heck of a lot more than $15 sound.  Oh, and I'm a gadget guy, so I really, really wanted Bluetooth headphones to work and not have to deal with the cords.  But I haven't yet found good Bluetooth ones that aren't in-ear, which means that upon every stride (for the in-ear), I hear thump thump thump.  I'm sure there's some good on-ear Bluetooth out there, but for the price of these with a very mild inconvenience, I'm buying a new pair when I finish typing this.

ASIN	B0006B486K
Additional Features	Sports-Style
Age Range Description	Adult
Antenna Location	Exercising, Running
Audio Driver Type	Dynamic Driver
Best Sellers Rank	#2,315 in Electronics ( See Top 100 in Electronics ) #33 in On-Ear Headphones
Brand Name	Koss
Built-In Media	Koss KSC75 Portable Stereophone Headphones
Cable Features	High fidelity clip headphones Exceptionally wide frequency response Computer-optimized neodymium, iron, and boron rare-earth magnet structures deliver amazing clarity at any volume Include a straight, dual entry, 4 foot cord with gold-flashed 3.5 mm (1/8") plug Pivoting clips promise accommodating fit Enjoy greater volume despite low-voltage portable devices Covered under the Koss Stereophones Lim…
Color	White/Gray
Compatible Devices	Cellphones
Connectivity Technology	Wired
Control Method	Remote
Control Type	Media Control
Customer Package Type	Standard Packaging
Customer Reviews	4.3 4.3 out of 5 stars (8,921)
Earpiece Shape	On Ear
Enclosure Material	Plastic
External Testing Certification	Não aplicável
Frequency Range	15 Hz - 25,000 Hz
Frequency Response	15 Hz
Global Trade Identification Number	00021299148570, 00689076490337
Headphone Folding Features	On Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	On Ear
Impedance	60 Ohms
Is Autographed	No
Item Type Name	Koss KSC75 Portable Stereophone Headphones, Single, Standard Packaging White/Gray
Item Weight	43 Grams
Manufacturer	KOSS
Model Name	KSC75
Model Number	KSC75
Noise Control	None
Number of Items	1
Sensitivity	101 dB
Series Number	75
Specific Uses For Product	Sport
Style Name	Single
Theme	Retro
UPC	689076490337 521227105410 168141220623 809386491781 523161027636 755034045205 011411367613 021112279658 617407283181 696582138639 172304244715 052778855597 807031772308 014444586112 151903402160 809187140185 745734296601 782386032027 080850353938 001910135127 012303524060 807320249320 115970749085 014444938867 763615907712 521375525948 077344741951 523160463411 803982931658 100000005286 0555555603…
Unit Count	1.0 Count
Warranty Description	30 Days and Manufacturer
Water Resistance Level	Not Water Resistant
Wireless Technology	Bluetooth

KSC75 Portable On-Ear Clip Headphones, Retro Style, Ultra Lightweight, Silver and Black

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