Free Express Shipping! FiiO KA13 Portable DAC and Headphone Amplifier (Black) Miniature Desktop Headphone Amp and DAC, 550mW of Balanced Output Power, Dual CS43131 DACs and 8262 Op-Amps, Supports 32-Bit / 384 kHz PCM & DSD256, 3.5 and 4.4mm Analog...