Mic1 input by combined connector of 1/4" phone jack and XLR with phantom power, Mic2 by 1/4" phone jack, Aux1 input by dual RCA, tel input by phoenix connector. Line output by dual RCA type. Mic with Vox priority(with Vox level control) and telephone input with secondary input over all other inputs. 100V, 70V and 4-16 ohms speaker output. AC 120V or 230V operation. Mic1-2, Aux1, tel, master volume control and bass/treble tone control. High temp, short circuit and over load protection.