Shake the floorboards while generating massive bass with the Mackie Thump18Sv4, a professional 18" powered subwoofer well suited for any sound application requiring deep, full-range sound with visceral low end. Feel the difference of a professional subwoofer that brings music alive with complex bass lines and punchy kicks.

Thump18Sv4 integrates perfectly with Thump loudspeakers, with high-pass modes that tailor the sound to match the size of your speakers. You can also set the crossover manually for more control over your sound. Built-in carry handles make Thump18Sv4 portable enough to add to your touring rig or gigging setup.

FEATURES 

• Portable Subwoofer
• Two High-Pass XLR Outputs
• High-Pass Modes for Any Speaker
• Phase Invert: 0 or 180°
• Integrated M20-Threaded Pole Mount
• Two XLR Inputs
• Two Full-Range XLR Outputs
• Front-Panel LED On/Off Button
• Stereo or Mono Summing for 1 or 2 Subs
• Includes Power Cord

• Frequency Range/Response: 25 Hz to 160 Hz (-10 dB), 33 Hz to 160 Hz (-3 dB)
• Speaker Type: Active Subwoofer
• Enclosure Type: Bass-Reflex
• Total Output Power: 1400 W Peak
• Amplifier Class: Class-D
• LF Driver: 1x 18" / 45.7 cm Woofer
• Maximum SPL: 132 dB SPL
• Protections: Output Limiter, RMS, Signal Limiter, Thermal
• Crossover Frequency: 80 to 160 Hz
• EQ & Filters: No 
• Dynamic Processing: Peak Limiter
• Alignment Delay: No
• Audio I/O: 2x XLR 3-Pin Line Input, 4x XLR 3-Pin Line Output
• Mounting: 1 x M20-Threaded Pole Socket (Top)