Audio-Technica ATH-R70X Professional Open-Back Reference Headphones with FiiO E12 Headphone Amplifier + Slappa Headphone Case Bundle Beach Camera Bundle - Includes ATH-R70x Headphones, FiiO E12 Amplifier, & Slappa Headphone Case High-efficiency magnets and pure alloy magnetic circuit design Carbon composite resin improves structural rigidity Acoustically transparent, aluminum honeycomb-mesh housings Breathable fabric earpads and improved wing support