20 watts electric guitar amplifier GF Music supplier many models guitar amplifiers,pls contact us for more 20 watts electric guitar amplifierGF-GA20DOutput power: 20 watts Speaker: 8"Weight: 7 KGSDimensions: 35CM×19CM×34CMFunctions:input,clean channel(volume),drive channel(gain,volume),3 band EQ;16 effects select switch,effect volume,headphone output. 20 watts electric guitar amplifier