The Koss Porta Pro KTC are slightly better headphones than the Grado SR80e/SR80. The Grado have a better build quality and a more open sound for critical listening with a larger soundstage than the Koss. FOR IMMEDIATE RELEASE INTRODUCING THE ALL NEW KOSS PORTA PRO KTC Las Vegas, NV USA – January 10, 2012 – Koss Corporation, the Milwaukee, Wisconsin based high fidelity stereophone manufacturer and inventor of the world’s first SP/3 Stereophone in 1958, has revolutionized the world renownedPorta Pro. Porta Pro KTC, the most sophisticated version of the Porta Pro, features a new Overview Prices Reviews Specs + Add to comparison. Home > Headphones comparison > Koss Porta Pro KTC vs Sennheiser HD 200 Pro. 35 points. Koss Porta Pro KTC. 29 points. Overview Prices Reviews Specs + Add to comparison. Home > Headphones comparison > JBL Duet NC vs Koss Porta Pro KTC. 61 points. JBL Duet NC. 36 points. Koss Porta Pro That's why I got the standard portapro and not KTC. Back to pro80 and it's clones. It's a super successfull headphone and I will surely check it out, if not buy in the future. Overview Prices Reviews Specs + Add to comparison. Home > Headphones comparison > Beyerdynamic Byron vs Koss Porta Pro KTC. 35 points. Beyerdynamic Byron. Overview Prices Reviews Specs + Add to comparison. Home > Headphones comparison > Koss Porta Pro KTC vs Zebronics Zeb-Thunder. 39 points. Koss Porta Pro KTC. 56 points. Overview Prices Reviews Specs + Add to comparison. Home > Headphones comparison > JBL Tune 500BT vs Koss PortaPro KTC. 50 points. JBL Tune 500BT. 29 points. Koss Overview Prices Reviews Specs + Add to comparison. Home > Headphones comparison > Koss Porta Pro KTC vs Sony WH-CH720N. 35 points. Koss Porta Pro KTC. 72 points. 5seDDr.

koss porta pro ktc review