Ultra-low distortion precision feedback circuit, distortion as low as 0.00006%!
Ultra-low noise power supply design, so that the output noise is as low as 1.3uV (APX555B measured value, not equivalent)；
Classic Toggle Switch for Operation；
Ultra-compact design, suitable for desktop headphone system；
High precision low temperature drift resistance, its performance is not affected by temperature；
High quality relays and popless sound design；
3 Watts into 16 Ohm,1.5 Watts into 32 Ohm；
20 Hz to 500 kHz Frequency Response；
High , middle and low three gears can switch gain control；
The headphone amplifier has DC,comprehensive protection such as overvoltage and thermal protection；
Use high-efficiency and ultra-low noise power system.