FiiO K15 Full Balance HiFi DAC and Headphone amp AK4497Sx2,Bluetooth 5.1 LDAC, Discrete Class AB Amplifier,USB Support DSD512 & PCM768kHz. 8-in-1 Versatility – Hi-Fi Hub for All Sources Switch between USB DAC (768kHz/32-bit, DSD512, MQA), Bluetooth (LDAC/aptX Adaptive), optical/coaxial inputs, Roon Ready/AirPlay streaming, local playback (via USB storage), and line-in/balanced analog inputs.
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