This is a compact integrated amp that puts out about 25 watts per channel. It has a built-in DAC with one toslink and one coax digital input. Also has one set of analog RCA inputs and a subwoofer output. Excellent condition, works perfectly. You can find lots of information on the web, this is a current production product. $250 shipped in continental USA. Please email me directly at meicheng101@sbcglobal.net if interested. Thanks for looking.