The KOSS KPH30i is a small, lightweight portable headphone with a retro design inspired by the original Koss KTXPro1/Pro35 models. The price is $29.99 Disclaimer: The KOSS KPH30i sent to us is paid for and not a sample in exchange for our honest opinion. The KOSS KPH30i was recently promoted via Drop and you can find more details here. To read more about PLUSSOUND products reviewed on Headfonics click here. Note, this review follows our new scoring guidelines for 2020 which … Continue reading KOSS KPH30i Review