S.M.S.L M300se MQA Audio Decoder, USB, Amplifier, High Resolution DAC, Music

S.M.S.L SU-8 DAC (Digital-To-Analog Converter)

Beresford TC-7520 DAC Digital-Analogue-Converter

Beresford Caiman Dac and Headphone Amplifier

SMSL SU-2 Decoder ES9039Q2M Support AES/EBU input and XLR output DAC

Douk Audio T8 Pro 7-band Tube EQ Equalizer Stereo Balanced XLR / RCA Preamp

CHORD Electronics MOJO Portable amplifier DAC & Headphone Amplifier Black w/BOX

FiiO K9 Desktop Headphone Amp USB/DAC w/ES9068AS*2, THX AAA 788+,LDAC, DSD512