本体性能: 1 x ESS ES9018K2M SABRE DAC 2 x LM4562 Op amps 1 x TPA6120A2 Headphone amp 1 x Cirrus Logic CS5361 5 x RC4580 Op amps Headphone Output Performance: Supported formats: Up to 32-bit/384kHz* Output (32Ohms): 4.8VRMS (720mW RMS per channel) Output (600Ohms): 6.8VRMS (77mW RMS per channel) THD+N @ 1K (-3dB): -104dB (<0.0007%) Signal to Noise Ratio (A-weighted): 121.1dB Crosstalk: -98dB Rear I/O Ports: POWER : 1 x 6-pin PCIe power connector SIGNAL : 1 x USB 2.0 header Front I/O Ports: 1 x Volume control knob 1 x 6.3mm headphone jack** 1 x 3.5mm headphone jack** 1 x 3.5mm mic/line in jack Dimensions: 5.25" ODD drive bay Form Factor (14.5 x 4.2x 14cm [W x H x D])