Alto Professional TS18S 18" 2500W Powered Subwoofer Portico heavier in the lower registers

heavier in the lower registers and becoming lighter in the upper registers

The B1800XP PA subwoofer stands head and shoulders above the rest of the pack and delivers exceptional performance

parameter zippering

Remotely adjust volume

This tom holder features our Omni-ball system allowing for unparalleled angle adjustment of the toms

Alto Professional TS18S 18" 2500W Powered Subwoofer Portico heavier in the lower registersRock Solid Sound from the Bottom, Up The best performances need the best in sound reinforcement at all ends of the sonic spectrum. For tight, punchy low end look no further than the Alto Professional TS18S powered subwoofer. When added to your full range speaker setup, the TS18S subwoofer delivers powerful but controlled low end presence to your PA configuration for a full and complete listening experience for the modern public music space. With a