Solid State Logic SSL 12 USB Audio Interface - Manual (Page 37)

Maximum Output Level +10 dBu
Output Impedance <1 Ω
Headphone Outputs (A&B) - High Sensitivity
Frequency Response 20Hz - 20kHz +/-0.02dB
Dynamic Range (A-weighted) 108dB
THD+N (-1dBFS) (@1kHz) 0.001%
Maximum Output Level -6 dBu
Output Impedance <1 Ω
Headphone Outputs (A&B) - High Impedance
Frequency Response 20Hz - 20kHz +/-0.02dB
Dynamic Range (A-weighted) 112dB
THD+N (-1dBFS) (@1kHz) 0.001%
Maximum Output Level +18 dBu
Output Impedance <1 Ω
Headphone Outputs (A&B) - Line Mode (Balanced)
Frequency Response 20Hz - 20kHz +/-0.02dB
Dynamic Range (A-weighted) 115dB
THD+N (-1dBFS) (@1kHz) 0.005%
Maximum Output Level +24 dBu
Output Impedance <1 Ω
Digital Audio
Supported Sample Rates 44.1, 48, 88.2, 96, 176.4, 192 kHz
Clock Sources Internal, ADAT
USB USB 3.0 for power, USB 2.0 for audio
Low-Latency Monitor Mixing < 1ms
Roundtrip Latency at 96 kHz Windows (Safe Mode Off): 3.3 ms
Mac: 4.9 ms