Have I bought the same headphones in different package? (K242HD and K530) The same driver in "all" AKG headphones? | Headphone Reviews and Discussion - Head-Fi.org
K240 MKII | Professional studio headphones
AKG 2606B00050 Ear Element/Speaker for K240 MKII and K271 MKII | Reverb
AKG Headphone Driver Speaker XXL for K271S
Serviceinfo K240 Studio
AKG Drumset Premium Microphone Set | Performance Audio