Alto Professional TS18S 2500W 18 inch Subwoofer, Powered PA Speaker with 6 Selectable DSP Modes, Easy Setup, 137 dB, 3" Voice Coil, Superior Bass

Superior Sound for Your PA System - 2500W Active Subwoofer with 18" driver, 3" voice coil and high-efficiency class D amplifier, providing the right blend of hi, mid, and extended low-end frequencies Rock-Solid Sound from the Bottom, Up - Featuring Speaker Use Button with three DSP EQ modes - EQ Off, Live and DJ, and Phase alignment Control to compensate for low-frequency cancellation Setup Simplified - Portable PA cabinet for easy transport and installation, assuring your tops and subs perform well no matter the setting or setup Any Setting, Any Time - Designed and engineered to fit into any system, hook it up to your powered speakers and DJ setup, extending the bass to shake your crowd Built to Last - Rugged, internally-braced front-ported MDF cabinet with mark-resistant splatter-spray finish, integrated 36mm pole socket, electronic clip, thermal and transducer overdrive protection