Industry-leading 124dB SNR (signal-to-noise ratio) audio quality inherited from the revolutionary and widely-acclaimed Xonar Essence ST/STX Ultra-low jitter with premium TCXO clock source Clean and consistent power supply thanks to high-fidelity low-dropout (LDO) regulators and WIMA capacitors for uncompromising sound Top-notch headphone amplifier supports up to 600ohm-headphone impedance with additional gain for in-ear monitors (IEMs) Exclusive op-amp swap kit includes three op-amps and tool for easy tone tuning Celebrated MUSES op-amps deliver true-to-life musicality Ultra-fidelity (120dB SNR) 7.1-channel output via the exclusive daughterboard