Gt-30h Power 30w Speaker no Impedance 16ohm, 8ohm 4ohm (switchable) Features Auto standby Four el84s and three 12ax7s Hi-fi transform 2-channel preamp Pre- post-gain controls on lead channel Normal volume control on clean channel 3-band passive eq(bass, middle, treble) Boost switch Footswitch selectable channel switching and reverb Speaker output jack Spring reverb Black vinyl covering Front board 3mm aluminum-alloy Back board 1 mm stainless steel Connect with gt-30c Dimensions 51(w) x 27(h) x 25(d)(cm) (unpacked) 58(w) x 35(h) x 37(d)(cm) (packed) Weight 15.5kg (packed) 12 kg (unpacked) Keywords: kldguitar in google Sound of GT30,please contact with us Cartoon