Massdrop O2+ODAC (REVB) headphone DAC/Amp

DAC SPECS Frequency Response 20Hz-20kHz: +/- 0.04dB THD+N 100 hz -0.15 dBFS: 0.0028% THD+N 20 hz -0.15 dBFS: 0.0015% THD+N 10 Khz -0.15 dBFS: 0.0024% IMD CCIF 19/20 Khz -6.03 dBFS: 0.0015% IMD SMPTE -6.03 dBFS: 0.0015% Noise A-Weighted dBu 24/96: -103 dBu Dynamic Range (A-Weighted): > 112 dB Linearity Error -90 dBFS 24/96: -0.08 dB Crosstalk -10 dBFS 100K 3.5mm: -86.40 dB USB Jitter Components 11025Hz: -112.3dB Maximum Output Line Out 100K: 2.1 VRMS Distortion: < 0.005% Audio Formats: 16/44, 16/48, 16/88.2, 16/96, 24/44, 24/48, 24/96 Interface: USB, Audio Class 1 Native Driver OS Support: Windows XP & Later, OS X x86, iOS, PS4, Linux AMPLIFIER SPECS Frequency Response: 20Hz-20kHz: +/-0.1 dB THD 1 Khz 150 Ohms: 0.0016% IMD CCIF 15 Ohms: 0.001% IMD SMPTE: 0.002% Noise, A-Weighted: -105 dBu Max Output (33 Ohms): 613 mW Max Output (150 Ohms): 355 mW Max Output (600 Ohms): 88 mW Output Impedance: 0.54 ohms Crosstalk (15 ohms): -65 dB Channel Balance (50% volume):0.6 dB Gain Configuration: 1.0x and 3.3x JACK CONFIGURATIONS Front ¼ inch input Rear RCA input/output Rear miniUSB Rear power Case dimensions: 4.12 x 3.87 x 1.12 in (10.46 x 9.82 x 2.85 cm)