Info "Get exhilarated by the impact of gaming sound effects Or Experience the intensity of a 100,000 cheering crowd" A new level of audio realism We designed the MCX amplifiers specifically for people who are looking for the "best of both worlds" performance, between audiophile stereo music listening and explosive movie soundtracks. "Handcrafted" class A transistor circuit replaces off-the-shelf OpAmp for precise and natural sound signature. Whether you're listening to music, playing a movie, live concert or video games, the MCX amplifier with its lightning fast dynamics and ultra-low distortion brings you to a new level of audio realism. Specs Gain (factor): x21 Sensitivity (to rated power): 1.6V rms Input impedence: 50k Ohms THD: 0.01% Frequency Response: 10Hz~52KHz(-3dB) MCX-4 Outputs Power Output (RMS rated): 300W@8 Ohms/channel; 400@4 Ohms/channel Idle Power (4 channels on): 30.5W@110V; 30.2W@230V