XLR-to-USB adapter with gain & monitor mix control.

- Frequency response: flat from 100 Hz to 10,000 Hz; down 1.5 dB at 20 Hz; down 0.3 dB at 20,000 Hz
- Maximum analog input level: 0 dBV
- Original Mic preamp maximum gain: 40dB
- Revised Mic preamp maximum gain: 50 dB [Implemented in April 2011 - X2u is marked with a white dot, on the flat side with the rubber pad.]
- Input impedance: 1.6 kOhm typical
- Phantom power: 48V typical, >10 mA
- Headphone max output power: 60 mW typical into 32 ohms
- Female XLR pinout: pin 2 positive, pin 3 negative, pin 1 shield