Alto Professional TX15 | 15" Active 2-Way PA Loudspeaker (600W Peak / Class D Power) 600 Watts peak / 300 Watts continuous power Efficient Class-D power amp, bi-amplified 15" LF woofer with 2" voice coil 1" neodymium HF compression driver with 1" voice coil Balanced XLR Mic/Line Input and Link Output