... OUT/PUT SPEAKER: 1x6.5" DIMENSION: 295x175x290 MM Name:15W electric guitar switch amplifierModel No.:JX-6515POWER CONSUMPTIONS:15WSWITCH:OVER DRIVE ... a musical instrument manufacturer,major in producing acoustic guiar,classical guitar,child guitar,electric guitar,violin,bass guitar,ukulele,amplifier,accessory etc ... . Do the best ---Jixing musical instrument co.,ltd 15W electric guitar switch amplifier