FX Audio Dac X6MKII Key Specifications: DAC Chip: ESS9018 Bluetooth: 5.0 with aptX (using QCC3008 chip) Sampling Rate: 24bit/192kHz (PC USB, Optical, Coaxial), 24bit/48kHz (Bluetooth) Inputs: PC USB, Optical, Coaxial, Bluetooth Outputs: RCA, 6.35mm headphone jack Headphone Amplifier Output: 940mW @ 16Ω, 900mW @ 32Ω, 700mW @ 64Ω, 450mW @ 120Ω SNR (Signal-to-Noise Ratio): 112dB THD+N (Total Harmonic Distortion + Noise): <0.006% Power Input: DC 12V/1A