FiiO E10K USB Headphone Amplifier DAC

FiiO’s E10K DAC chip changed from WM8740 to PCM5102, effectively improving linearity of internal digital filter and reducing delay; improving audio quality, with no phase shift and reduced silence interval on changing tracks. Optimized low-pass filter and bass boost circuits ensure further lowered noise floor in all states. Amplification opamp changed from AD8397 to LMH6643 Employing buffer design to ensure both superior transient response and driving power. Compact and tough build, with brushed aluminum shell and chassis, perfect for portable use.