(Output Circuitry) Class DTHD+N 1 kHz, 15 W, 3 Ω /4 Ω Stereo in to Speaker out≤ 0.1%1 kHz, 30 W, 70 V/100 power, 3Ω, AC100 V, pink noise at all channel30 WInstallation Condition, Rack Mount Condition Rack-m