FiiO K9 Pro ESS DAC Amp

Energy Source: Particular attention was given to optimize the FiiO K9 Pro ESS to ensure excellent sound. The regulated electric supply including low-frequency transformer and 4 massive 4700uF capacitors supplying abundant clean electricity. THX AAA 788+ Chips: These chips deliver exceptional clarity and dynamics for both high and high-impedance earphones. Precise Construction: Balanced signals travel via the unit, volume control, and amp for a truly balanced output; this design reduces interference preserving sound fidelity and dynamics. Fully Differential Layout: The printed circuit board features a partitioned layout, separating power and audio paths, ensuring audio integrity. Every audio bit undergoes a 6-stage circuit to reproduce music authentically. Signal Illuminations: The RGB indicators surrounding the volume knob adapt hue based on sampling rate.