koss kph40 review and kph30i comparison Published 1 year ago • 4.6K plays • Length 26:39 Download video MP4 Download video MP3 Similar videos 31:41 sight and sound 2022 poll reaction and general thoughts 25:51 (the gift of audio) koss kph-40 drop kph-40x - headphone highlight 9:51 koss kph40 review - star-lord approved! 7:11 the 'sleeper' | koss kph40