Koss PortaPro is really a classic product. It has been popular for more than 20 years. Is it not enough to prove its classic level? The main reason is that the bass is powerful enough. Although the boom is not powerful enough, it is still powerful, and is more suitable for rock music and other music. The metal head beam is used to ensure firmness. Although the appearance is quite special, it is still very comfortable to wear.

The Koss PortaPro Japanese Amazon white limited edition is 3653 yen, about 220 yuan, and the price is 340 yuan. It's 100 yuan more expensive than the common black and blue models. Let's control it in white.