Overview

The K 240 Studio headphones from AKG feature a semi-open circumaural design, and use patented Varimotion technology and extra-large transducers to deliver extremely precise, detailed sound. The headphones have a self-adjusting headband, as well as thick around-ear cushions for lasting comfort. The single-sided detachable straight cable resists tangles and can be easily replaced. The cable has a gold-plated 3.5mm plug with a 1/4″ screw-on adapter to provide wide compatibility with consumer and professional audio devices. With Fiio A3 Portable Headphone Amplifier is designed for mobile Hi-Fi listening applications and is compatible with a wide range of headphones, earphones, and other in-ear monitoring systems.
In the box

AKG K 240 Studio Professional Semi-Open Stereo Headphones
Gold-Plated 1/4″ Adapter
Detachable Cable
Limited 2-Year Warranty

FiiO A3 Portable Headphone Amplifier (Black)
USB Charging Cable
Limited 1-Year Warranty