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 perfect 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 & 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

The Anchor of Your Sound - 137dB of thunderous bass for truly unbiased sound delivery

Input Power - TS18S works in countries with 100/120V; 50/60 Hz

Precision Engineered - Designed and tuned in the USA