(Koss Porta Pro Wireless) The first number of the IP rating refers to protection against dust, while the second number refers to protection against liquid. E.g. a first number of 6 denotes that it is completely dustproof, and a second number of 7 denotes that the device can withstand full immersion in water.
It should be very easy to put them on. You shouldn't have to two-hand it. First, use one hand and grip one driver with the index and middle fingers at the top, and the thumb at the bottom. Next, position the driver just above your ear, then slide down so the top of your ear goes in between the clip and the driver.
Overview Prices Reviews Specs + Add to comparison. Home > Headphones comparison > Anker SoundCore Space NC vs Koss Porta Pro Wireless. 56 points.
The Koss Porta Pros are a long-time favorite of audiophiles on a budget. But are they the best headphone for portable listening? I compare them with two othe
The folks over at Koss sent me their new Porta Pro wireless headphones to check out. I was pretty excited, but unfortunately the news is not good.PHT t-shirt
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koss porta pro wireless review
