Inputs (3): Stereo on dual RCA jacks, stereo mini jack or 1/4â€? (6.3 mm) TRS, > 10 kΩ, -10 dBV nominal, +8.5 dBV max. (RCA and 1/4â€?), -16 dBV nominal, +2 dBV max. (Mini) Stereo input LOOP OUT: 1/4â€? (6.3 mm) TRS Frequency Response: 20 Hz to 50 kHz (±1.5 dB, 100 Ω load) Level control: Off to +2.5 dB gain (RCA and 1/4â€? inputs, 100 Ω output load), Off to +9 dB gain (Mini input, 100 Ω output load) Outputs (7): Stereo on 1/4â€? (6.3 mm) TRS (6, rear panel), 60 mW (100 Ω load) THD+N: < 0.1% (10 mW output, 100 Ω load) Crosstalk: < -75 dB (1 kHz) Noise: < -95 dB (below 10 mW output, 100 Ω load, maximum gain 24 Vdc power supply current: 50 mA (idle), 80 mA (max.) Case dimensions: 5.75â€? (14.6 cm)W x 3â€? (7.6 cm)D Mounting size: 1/3 rack width