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Showing 1 of 775 reviews about:
robert_watkins
1
Mar 26, 2022
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Excellent for the price
I have a several Koss headphones and I think these might be my favorites sound wise. Still deciding between them and the KPH40. I put them on a porta pro headband as I prefer that form factor.
Recommends this product? Yes
Tymmy
11
Apr 9, 2022
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robert_watkinsAre they basically all the same drivers? 75s, porto pro, KPH30i, 40s etc?
robert_watkins
1
Apr 9, 2022
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TymmyI think they are technically different. Could just be the housing changing the sound.
abm0
20
Aug 18, 2022
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TymmyNo, the 75s are titanium coated, I don't think they used that driver in anything else (OK maybe the KTXPro, I'd have to re-check metal571's review). The older ones all have the same non-titanium driver: Porta Pro = Sporta Pro = KPH30i. And then the KPH40 I think is some newer design but still not titanium coated, and possibly only the housing is changed vs. the 30 and not the active parts.
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