Model-:Sherwood amplifier Made in-:Japan Voltage-:220v/230v Power consume-:400W System-:Sorround,dolby Digita,dts,homethere,center,real Out lines-:Sub woffer,audio,video,Fm,Am Spekers out -:4-8/8-16 ohms Speakers component-:12/15 inch 2 ways No errors Brand new condition Waranty-:life time service waranty About-:Good sound and no errors. Last prise ok