N40 | High-resolution in-ear headphones with customizable sound.
Ears-on with AKG's customisable premium headphones
AKG - Personalize the way you listen to your favorite music. #AKG #N40 deliver ultra-premium sound + 3 interchangeable filters, so you can completely customize your listening experience. Thank you, Stereo Electronics
Product review: AKG N40 - Richer Sounds Blog | Richer Sounds Blog
Silver Audio Cable For AKG N40 In-Ear headphones - AliExpress
AKG N40 – Zeppelin & Co
AKG N40 In-Ear Monitors Photo #3157328 - Canuck Audio Mart
AKG N40 – Zeppelin & Co
AKG n40 in ear Monitor | Headphone Reviews and Discussion - Head-Fi.org