Alto Professional TS115 Vibe | 15-inch Active 2-Way PA Loudspeaker with Built-In Mixer and Media Player 2-Way (bi-amplified) speaker system with clarity, punch and definition; 15" LF driver, 1" Neodymium HF driver 800 Watts (peak), 400 Watts (continuous) Class D power Integrated music player (USB and microSD slot) and built-in audio mixer with (2) combo (XLR+1/4") inputs XLR output for daisy-chaining speakers (pre/post volume switchable) Position them anywhere: pole, floor, fly 'em, tabletop, etc. Highly efficient Class D amplifier; low self-noise, power to spare, lightweight, durable Built-in carry handles with lightweight casing makes gigging a breeze