Audio-Technica ATH-M30x Professional Headphones Amp Bundle Includes, Slappa Hard Body PRO Full Sized Headphone Black Case & FiiO A1 Portable Headphone Amplifier (Silver) Audio-Technica ATH-M30x Professional Headphones Slappa HardBody PRO Full Sized Headphone Case - Black FiiO A1 Portable Headphone Amplifier (Silver)