Features This year April Music will take the brand upmarket with new Stello Ai500. Featuring cool contemporary modern styling, extensive, connectivity, and advanced performance, Stello Ai 500 will bring storied April Music technology to an entirely new population of music fans-those who seek the ultimate blend of high style, reliability, technical excellence, and extreme musiclity. Unique contemporary styling takes the Ai500 into the realm of functional art. A full-function remote control makes it a joy to use from anywhere in the room! Description Product Description Products Model : April Music STELLO Ai500 Dimension : 460*86*400(mm) Output Power : 150 Waatts/CH @ 8 Ohms, 300 Watts/CH @ 4 Ohms Ouput Stage : Quad Para Push-Pull Hitachi MOSFET Power Transistors, Class AB Power Supply : Custom Made 800 VA Toroidal Transformer 90,000 uF Capacitor Bank Frequency response : 20~45 kHz THD+N : <0.05% Volume control : Cirrus logic CS3310 digital volume control Analog inputs : 3 unbalanced analog line inputs 1 balanced analog line input 1 BTPASS input 2 Analog Outputs : Pre-out, REC 4 Digital inputs : COAX, OPTIC, PC USB Link, iPod Front Panel : POWER, BALANCED, CD, TUNER, AUX, DIGITAL, BYPASS, MUTE, Rotary, Volume Encoder Full Function Remote Control