That being said, the cheap Koss headphones do have some issues, which are acceptable for the price, but which stop them from being S-tier, namely the poor bass extension and the strange behavior at 4-5 kHz which depends on the pads. Just look at the FR charts and you'll see - check oratory1990. ServiceServices Meze Elite/HD600/HD58X | Stax GODI modified my Porta Pros many years ago and use HD25 velour pads on them. I don't have any of the problems you mention in the mid range. Bass can still be a little muddy. I very much prefer the tonality and bass of the CAL!, so I rarely use my Porta Pros at home. They are for use on the go only. Loved by music lovers of all ages, the Porta Pro has become a timeless classic since its launch in 1984. Now, as we step into a new era of technology and innovation, Koss is proud to present the highly anticipated upgrade – the Koss Porta Pro 2022.
(Milwaukee, Wisconsin) November 21, 2016 – Koss® Corporation (NASDAQ Symbol: KOSS), the U.S. based high-fidelity Stereophone manufacturer and inventor of the world’s first SP3 Stereophone in 1958, announced the release of the Porta Pro Limited Edition in two colorways, which were both chosen by Koss fans worldwide. In July, Koss initiated the “Make Your Mark Campaign”, which allowed
The Koss Porta Pro® Wireless takes the legendary sound and the iconic design of the classic Koss Porta Pro® headphones wireless with Bluetooth® 4.1 with aptX™, 12+ hour battery life, in-line microphone & remote for taking calls and controlling music. $109.00.
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