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Mackie Thump18S 1200W 18″ Powered Subwoofer


Mackie Thump18S 1200W 18″ Powered Subwoofer


The Mackie Thump18S is a powered subwoofer that features an 18″ custom high-output woofer. With 1200 watts of power, you get the high bass output you need in a package that is designed to be tough and portable.

Featuring a built-in crossover at 140 Hz, stereo high-pass outputs, and full-range outputs, the Thump18S allows you to connect top speakers and additional subwoofers without any extra hardware. Using efficient Class-D amplification and a dynamic bass frequency response, the speaker is designed to deliver a clear and present low end at any volume.


  • Professional band-pass design for maximum output and deep, room-filling lows
  • 18″ custom high-output woofer
  • Class-D amplification designed for cool running
  • Precision 140 Hz crossover
  • Tuning filters deliver highly accurate bass response
  • Robust system protection
  • Dual XLR inputs for mono or stereo applications
  • Stereo high-pass outputs optimize sound when connecting top boxes
  • Stereo full-range outputs perfect for adding more subwoofers
  • User-adjustable level and polarity controls
  • Easily mount your full-range loudspeaker via pole cup
UPC: 663961041774
PA Speaker
ConfigurationActive Subwoofer
Total Power Capacity600 W RMS
1200 W Peak
Amplifier ClassClass-D
LF Driver1 x 18″ / 45.72 cm Woofer
LF Voice Coil3″ / 76.2 mm
Frequency Response40 Hz to 120 Hz -3 dB
30 Hz to 132 Hz -10 dB
Maximum SPL130 dB
I/O ImpedanceInput:
20 Kilohms (Balanced)
20 Kilohms (Unbalanced)
ProtectionsPower Supply, RMS, Thermal
Audio I/O1 x XLR 3-Pin Female Balanced Input
1 x XLR 3-Pin Male Balanced Output
1 x XLR 3-Pin Male Balanced High-Pass Output
Signal Processing
140 Hz, 12 dB/Octave
140 Hz, 24 dB/Octave
Dynamic ProcessingPeak Limiter
AC Input Power100 to 120 VAC, 50 / 60 Hz
220 to 240 VAC, 50 / 60 Hz
AC Power Connector1 x IEC
Power Consumption160 W
Handles2 x Side
Construction MaterialPlywood
Operating Temperature32 to 104°F / 0 to 40°C
Dimensions26.5 x 22.6 x 22.8″ / 672 x 573 x 580 mm
Weight82 lb / 37.2 kg
Packaging Info
Package Weight94 lb
Box Dimensions (LxWxH)28 x 28 x 28″

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