FIIO K17 [Ships from an Authorized Japanese Retailer, Serial Number Included] Headphone Amplifier with Built-in USB DAC (Silver)

Specially customized core design supports ultra-high-precision calculation processing. Achieves a powerful 4000mW output. Fully discrete Class AB headphone amplifier. Equipped with AKM's flagship separate DAC system [AK4191EQ + AK4499EX x 2] to reduce background noise. 31-band high-precision lossless PEQ function for satisfying equalizer settings. Various operating modes to connect any media. Fully balanced design from DAC to amplifier. Completely separated internal power supply, digital and analog circuit boards. Precise power supply design. Equipped with three ACCUSILICON femto clocks to accurately restore audio signals. High-end parts with uncompromising attention to detail.