Frequency response: +0dB -1.5dB from 20Hz to 20kHz. THD + noise: Less than 0.005% at 0dB from 20Hz to 20kHz. Input impedance: 500k ohms (unbalanced). Output impedance: 240 ohms (unbalanced). Input/output jacks: 1/4 L/R, RCA L/R.
Power requirement: 9VAC, 1A from external transformer. Dimensions: 19 rack mount, 489x110x44mm.