Mackie Thump18Sv4 18in 1400W Powered Subwoofer
Mackie Thump18Sv4 18in 1400W Powered Subwoofer
The Mackie Thump18Sv4 is a professional 18-inch powered subwoofer designed to add deep, high-output low-frequency reinforcement to live PA and DJ systems. A 1400W Class-D amplifier drives the high-performance 18-inch woofer, delivering up to 132 dB maximum SPL with low-frequency performance extending down to 33 Hz.
Selectable high-pass modes make system integration particularly easy. Dedicated presets are available for Thump12V4, Thump15V4 and Thump GO loudspeakers, while a Variable mode allows the crossover to be adjusted for use with other speaker systems. Each preset incorporates alignment delay to help maintain proper timing between the subwoofer and connected main speakers.
Stereo XLR inputs accommodate mixers, DJ controllers and other professional sources. Separate stereo high-pass outputs feed the main loudspeakers with the selected crossover applied, while full-range XLR outputs make it easy to daisy-chain additional subwoofers. Phase inversion, stereo/mono summing and variable output level provide further control for different room layouts and system configurations.
Key Features- 18in professional powered subwoofer
- 1400W Class-D amplification
- Up to 132 dB maximum SPL
- Low-frequency response down to 33 Hz
- High-performance 18in woofer
- Thump12V4 140 Hz crossover preset
- Thump15V4 110 Hz crossover preset
- Thump GO 150 Hz crossover preset
- Variable crossover mode
- 1.4 ms alignment delay in high-pass modes
- Stereo XLR inputs
- Stereo XLR high-pass outputs
- Stereo XLR full-range outputs
- Phase invert switch
- Stereo or mono summing
- Variable level control from mute to +6 dB
- Switchable front LED
- M20 threaded speaker-pole mount
- Integrated carrying handles
- Weight: 70.4 lb / 31.9 kg
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