The PortaPros leak about as much sound in and out as all stock headphones for portable walkmen. Like these, or whatever came with your walkman. It's no big deal for average portable use, but if you want crystal sound when on a noisy bus or subway, pay a hundred times more for some closed headphones. The PortaPros sound great. If you're just Many thanks Amir, my favourite Headphones - when it comes to portable devices - got reviewed! I bought my first Porta Pro when the Sony D5 (D50 in Europe), the first "Discman", became available. AFAIK the D5 became the best selling CD-Player for Sony. Now the Porta Pro is ( i think the fourth - the cables wear) is now being fed by an iphone. Porta Pro® Utility On Ear Headphones. The Porta Pro® Utility Series On-Ear Headphone is an all-new way to experience the Sound of Koss®. Save on the additional Utility Series USB-C or Lightning cord by adding them to your cart at checkout. $49.99. Quantity. Cách đây ít lâu, Koss đã cho ra mắt dòng tai nghe Porta Pro KTC (Koss Touch Control), bổ sung thêm bộ điều khiển nhạc và micro tối ưu cho việc sử dụng với iPhone, iPod và iPad. Tuy nhiên, việc tăng giá thêm tới 30USD (gần 700 nghìn đồng) khiến cho Porta Pro KTC không thực sự phổ biến. ALL the Koss Titanium Series headphones have great audio fidelity / quality. What varies from model to model is their durability and wear comfort. The Pro40 is my favorite budget headphone of the last 20 years. Before that it was the Koss HVX, HVPro, HV7 and Realistic Pro-60 (all basically the same headphone, the earpads are no longer made) Crappy $10 earbuds finally broke, heard amazing things about the porta pros but I'm worried about how much sound leaks out. I'd mainly be listening in a car or in places where family is near me, and don't want to annoy them. My experience is with the Yaxi pads, which I put on nearly immediately after getting them. I can't believe how ridiculous bad the Koss Porta Pro is. Switching from the $5 Veclan Monks to the PP, I can only describe the sound as muddy, muffled and dead. All life from music is gone, as if someone is listening to music after they put a thick sack over their head. Jesus, terrible. ** I am familiar with Equalizer APO and I read opinions Whenever people ask for recommendations for a budget pair of portable headphones which provides a large amount of satisfying bass, the Koss PortaPro will always be among the first in the list, with a very very good reasons. Its design is very funky looking retro 80’s style, due the fact that its actually from the 80’s! .

koss porta pro media expert