Amazon.com: FiiO K3 DSD256 | 384K/32Bit USB-C DAC and Headphone Amplifier for Home and Computer(3.5mm Single Ended/2.5mm Balanced/Coaxial and Optical Digital Outs) (K3 Titanium) : Electronics
FiiO Launches K7 Balanced Desktop Headphone Amplifier and DAC with Dual AKM AK4493S Converters | audioXpress
DAC/AMP Combo Recommendations - Headfonia Reviews
The 4 Best Portable Headphone Amps With Built-In DAC of 2024 | Reviews by Wirecutter