Cash USA Pawnshop. AKG K490NC NOISE CANCELING HEADPHONES
AKG K 490NC headphones HD - YouTube
AKG K 490 NC Noise-canceling headphones at Crutchfield
AKG K490-NC Review - RTINGS.com
Geekria Shield Headphones Case Compatible with AKG AKG Y50BT, Y500, Y45BT, Y400, Y40, Q460, N60NC, K 490NC Case, Replacement Hard Shell Travel Carrying Bag with Cable Storage (Black) - Newegg.com
iF Design - K490 NC
Amazon.com: AKG K490NC High-Performance Active Noise-Cancelling Headphones : Electronics