xDuoo XD-05 BAL Balanced DAC/Amp (Apos Certified Refurbished)

The XD-05 line strikes a balance A few years ago, xDuoo released the XD-05, a portable DAC/amp with HiFi clout for an entry-level price. Since then, they’ve introduced “Plus” and “Basic” models with varied capabilities. Now they’re back with the BAL model, the most feature-packed of the lineup yet. The BAL model includes premium features like dual ESS SABRE DAC chips, balanced output, digital filters, and Bluetooth 5.0. It’s a great option for traveling, especially to conferences or hotel rooms where desk space is available but traveling with a full-sized DAC/amp would be inconvenient or impossible.  Two ESS ES9038Q2M SABRE DAC chips The ESS9038Q2M uses the 32-bit HyperStream DAC architecture and Time Domain Jitter Eliminator, delivering a DNR of up to 128dB and THD+N of up to 0.0009%.  Gain and boost settings Gain and boost settings accommodate the impedances of different headphones. The boost  switch increases the supply voltage of the op amp from ±8V to ±13V, while the gain switch