This is a video review on the AKG K240 Studio semi-open headphones. These might be the industry standard for semi-open headphones and VERY affordable, too.
AKG K240 Review
AKG K240 Semi-Open Studio Monitoring Headphones Review
AKG Pro Audio K240 STUDIO Over-Ear, Semi-Open, Professional Studio Headphones : Everything Else
AKG K240 Studio Headphones Review: A Quirky, Analytical Studio Classic, by Alex Rowe
AKG K240 Studio Review
AKG K240 Review [2024] - Superb Price And Excellent Sound
AKG K240 Studio Headphone Review - Sonarworks Blog
AKG K240 MKII Semi-open Pro Studio Headphones Reviews
AKG Pro Audio K240 STUDIO Over-Ear, Semi-Open, Professional Studio Headphones : Everything Else
AKG K240 Studio Review – A Truly Unique Specimen - Home Studio Basics
AKG K240 Studio Headphones Review: A Quirky, Analytical Studio Classic, by Alex Rowe