THE S4 PLUS IS A FINE SOUNDING SYNTH MODULE, GREAT SAMPLED ROM SOUNDS, SYNTH AND FAMOUS ALESIS DRUM AND PERCUSSION. PORT ANY THROUGH THE 4 SEPERATE OUTPUTS. THIS UNIT WORKS FINE AND SOUNDING GREAT. COMES W / ORIGINAL ALESIS POWER ADAPTER ONLY.  I WILL PACK IT SAFELY. SHIPPING TO LOWER 48 ONLY. NO INTERNATIONAL SALE. PAY PAL ONLY. THANK YOU FOR LOOKING AT THE ALESIS !!!