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| Power | Plenty for all headphones except a handful of the hardest-to-drive ones (e.g., HE6, Tungsten) | 
| Noise | Inaudible on all headphones and IEMs | 
| Distortion | Unmeasurable at normal listening levels; 1000x lower than typical headphones | 
| Heat | Gets slightly warm without DAC card, moderately warm with DAC card | 
| Size | Extremely desk-friendly | 
| Other Specs | |
| Frequency Response | 20Hz-20Khz, +/-0.01dB | 
| Output Power | |
| Maximum Power, 16 ohms | 3.0W RMS per channel | 
| Maximum Power, 32 ohms | 2.5W RMS per channel | 
| Maximum Power, 50 ohms | 1.5W RMS per channel | 
| Maximum Power, 300 ohms | 415mW RMS per channel | 
| Maximum Power, 600 ohms | 220mW RMS per channel | 
| THD+N | |
| Low Gain | Less than 0.0001% (-116dB) at 2V RMS into 300 ohms | 
| High Gain | Less than 0.0003% (-108dB) at 2V RMS into 300 ohms | 
| IMD | |
| Low Gain | Less than -110dB at 4V RMS into 300 ohms, CCIF | 
| High Gain | Less than -108dB at 4V RMS into 300 ohms, CCIF | 
| SNR | |
| Low Gain | Greater than 122dB, referenced to 2V RMS | 
| High Gain | Greater than 112dB, referenced to 2V RMS | 
| Crosstalk | Less than -80dB, 20 Hz-20 kHz, 300 ohm load | 
| Output Impedance | SE ¼” TRS output: less than 0.1 ohms Preamp output: 75 ohms | 
| Input Impedance | 50k ohms | 
| Gain | 0.3 (-10dB), 1 (0db) or 5 (15db) | 
| Topology | Fully discrete, DC coupled, current feedback, highly linear open-loop with low loop feedback | 
| Protection | Failsafe DC power input and muting relay, overcurrent sensing and output lift, DC servo | 
| Power Supply | 100% linear supply with “Wall wart” style 14-16VAC transformer, regulated +/-17V rails with over 8,000uF total filter capacitance | 
| Power Consumption | 2W idle, 12W max | 
| Size | 5 x 3.5 x 1.25” | 
| Weight | 2 lb |