Specifications colors black silvermain control chip single chip microcomputer gd32f303ret6dac cs43198supported audio formats 384khz 32bit pcm dsd256usb connector type cdisplay type custom vadimensions 147 x 133 x 32 3 mm including feet weight approximately 407gse power output 1 l r 520mw 520mw 32 thd n1 32 single ended high gain se power output 2 l r 60mw 60mw 300 thd n1 300 single ended high gain bal power output 1 l r 1400mw 1400mw 32 thd n1 32 balanced high gain bal power output 2 l r 250mw 250mw 300 thd n1 300 balanced high gain power supply dc12v 2a external adapterfrequency response 20hz 50khz attenuation0 2db snr 123db a weighted noise floor po2 8uv a weighted bal4 9uv a weighted output impedance po1 2 32 load bal2 4 32 load thd n lo0 00035 1khz 10k features 1 variety of inputs and outputs to suit different audio setups and preferences 2 high power output up to 1400mw for an uncompromised audio experience 3 supports high resolution audio with formats up to 384khz 32bit and dsd256 4 usb dac with driver free mode for easy and hassle free connectivity 5 customizable user experience with 3 gain levels and 3 volume curves package includes 1 x fiio k11 headphone amplifier1 x power adapter including ac cable 1 x usb a to c cable1x 6 35mm adapter1x quick start guide