... woofer SGS,ROHS,CE,CCC MOQ:2PCS Model: Tko112 Guitar Amplifier Paroyal Pro audio Co.,LtdNicely sized for smaller venues and ... crowbar protection circuits. External speaker and headphone jacks.FeaturesTko112 Guitar amplifier 200W RMS @ 2 ohms and 150W RMS @ 4 ohms 12 ...