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FiiO JadeAudio KA3 Headphone Amps Tiny USB DAC High Resolution Amplifier Supports 32bit/768kHz and DSD512 Headphone Outputs 3.5mm/4.4mm for Smartphone/Laptop/PC/Player : Electronics
FiiO Amp-Born for Music
FiiO NEW K3 Portable Headphone Amplifier USB DAC for PC ES9038Q2M 384k/DSD256 support COAXIAL/OPTICAL/2.5mm BALANCE/3.5mm Output|Headphone Amplifier| - AliExpress