Mackie Thump18Sv4 18" Professional Powered Subwoofer

A True Workhorse for Gigging Professionals1400W Class-D amplifier for 132 dB maximum SPL
18" high-performance woofer for 33 Hz low frequency
Built-Like-A-Tank to conquer every gig while lightweight with built-in handles for easy loading
Tailor the Bass to Your Loudspeakers With High Pass ModesConnect loudspeakers to high-pass outputs and select from four modes
All modes include 1.4 ms alignment delay
Thump 12: Thump12v4 loudspeakers (140 Hz crossover)
Thump 15: Thump15v4 loudspeakers (110 Hz crossover)
Thump GO: Thump GO loudspeakers (150 Hz crossover)
Variable: Set crossover manually to match any loudspeakers
Connect to Versatile Inputs and OutputsStereo XLR inputs: Connect to DJ controller, mixer or other source
Stereo XLR high-pass outputs: Connect to loudspeakers and select your high pass mode
Stereo XLR full-range outputs: Chain the full, unaltered signal to the next subwoofer
Essential Subwoofer FeaturesPhase invert switch
Defeatable front LED
Stereo or mono summing for single or dual subwoofer deployment
Variable level control (Muted to +6 dB)
Front LED On/Off
Physical SpecsBuilt-in handles
Rugged, modern construction
M20 thread for SPM400 speaker pole (sold separately)
Height: 21.3 in / 541 mm
Width: 24.8 in / 630 mm
Depth: 23.8 in / 605 mm
Weight: 70.4 lb / 31.9 kg