PRESALE Mackie Thump18Sv4 18 Powered Subwoofer 1400W DSP PA Speaker

PRESALE: Ships on September 23, 2026. You will get tracking the moment it ships. Up for sale is a Mackie Thump18Sv4 18-inch professional powered subwoofer. This is a brand new unit, sold as pictured with stock manufacturer product photography showing the exact model being offered. The Thump18Sv4 delivers massive club-level low end with a 1400W Class-D amplifier and a maximum SPL of 132 dB, reaching down to a floor-shaking 25 Hz. It features built-in DSP high-pass crossover modes that automatically tailor bass response to match Thump12v4, Thump15v4, or Thump GO loudspeakers, plus a variable mode for manual crossover control with any speaker setup. Built for gigging musicians, DJs, and sound techs, this subwoofer includes integrated carry handles and a pole cup mount, making it easy for one person to deploy and transport. The rugged black cabinet features a durable perforated metal grille and the signature Mackie logo badge on the front. Condition: New. This listing is for one Thump18Sv4 subwoofer only. Perfect addition to any Thump or SRT series PA rig for bands, mobile DJs, churches, and venues needing serious low-end reinforcement.