DIMENSIONS (W × H × D)430 × 97 × 424mm 17" × 3.9" × 16.7" FRONT PANEL HEIGHT2U / 88.1mm (3.5") POWER REQUIREMENTS230V, 50Hz POWER CONSUMPTION150W STANDBY POWER CONSUMPTION<0.5W NET WEIGHT9.3kg (20lbs.) BTU RATING (4Ω, 1/8th power)180 BTU/h TOTAL HARMONIC DISTORTION (THD)(20Hz–20kHz) <0.08% FREQUENCY RESPONSE10Hz - 100kHz +0dB, -1.4dB S/N RATIO (IHF "A" Weighted) 108dB GAIN30dB