LOXJIE A30 Desktop Stereo HiFi Power Amplifier & Headphone Amplifier – MA12070 | ES9023 DAC (Open Box). ✔️ LOXJIE A30 Amplifier. TheLOXJIE A30 is a versatiledesktop HiFi amplifier that combines apower amplifier, DAC, and headphone amplifier in one compact unit.