As [Jan-Erik] had already built a simple USB connected Digital-to-Analog ... a high performance audio operational amplifier The on-board +3.3V and -5V voltages are generated by inductor-less ...
Questyle’s M18i mobile headphone amp, which just debuted at CES 2025, might look like a typical dongle-style DAC/amp — it actually bears a strong resemblance to the company’s M15 DAC/amp — but it’s ...