Mackie Thump15Sv4 – 1400 W Powered 15″ Subwoofer for Mobile PA
The Mackie Thump15Sv4 is a 1400 W active 15-inch subwoofer designed to extend the low end of any Thumpv4 system or compact PA rig. With selectable high-pass crossover modes, phase invert, and stereo XLR I/O, it slots cleanly under main loudspeakers and gives DJs and live engineers floor-shaking impact without complicated setup — available at Soundium.
Key Features
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1400 W Class-D amplification: 132 dB peak SPL with deep, controlled output.
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15″ high-performance woofer: Reaches 27 Hz for chest-thump on kicks, basslines, and movie LFE.
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Selectable high-pass modes: Thump 12, Thump 15, Thump GO, and Variable (80–160 Hz) for instant tuning to your tops.
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1.4 ms alignment delay: Phase-coherent integration with Thumpv4 mains across all HP modes.
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Stereo XLR I/O: Stereo XLR inputs, stereo high-pass outputs to mains, plus stereo full-range outs for chaining additional subs.
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Phase invert + stereo/mono summing: Dial in placement quickly, even in tricky rooms.
Customer Benefits
The Thump15Sv4 makes adding low end to your PA a one-cable job: pick the matching HP mode for your tops, plug in the mains' XLR feed, and the sub takes care of the crossover and time alignment. Built-in handles, an M20 pole socket, and a defeatable front LED keep transport, setup, and discreet placement quick on the gig.
Quick Specs
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Power: 1400 W peak Class-D system
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Driver: 15″ (381 mm) high-performance woofer
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Maximum SPL: 132 dB peak
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Low-frequency response: 27 Hz
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HP modes: Thump 12 / Thump 15 / Thump GO / Variable (80, 120, 160 Hz)
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Inputs: 2 × XLR (stereo)
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Outputs: 2 × XLR high-pass, 2 × XLR full-range
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Mounting: M20 thread for SPM400 speaker pole
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Dimensions: 56.1 × 47.0 × 58.4 cm
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Weight: 26.0 kg
What's in the Box
- Mackie Thump15Sv4 powered subwoofer
- IEC power cable
- Quick Start Guide
Use Cases / Ideal For
Mobile DJs, small to mid-sized live bands, weddings, corporate events, and any portable PA that needs to extend its low-frequency response without scaling up to a full subwoofer rig.
Compatibility
Designed to pair with Mackie Thump12v4, Thump15v4, and Thump GO mains via the matching HP modes. Variable HP works with any third-party tops in the 80–160 Hz crossover range. Stereo full-range outputs allow daisy-chaining additional subs.
Pros & Cons
✅ Pros:
- Genuine sub-bass extension to 27 Hz
- Plug-and-play HP modes for Thump tops
- Stereo I/O simplifies cabling
- Compact for a 15″ powered sub
⚠️ Cons:
- Single sub plus stereo tops needs a mono summed feed for best results
- Larger sub (Thump18Sv4) is needed for very low electronic music or larger rooms
The Mackie Thump15Sv4 is the easiest way to add proper low end to a Thumpv4 or other compact PA, with smart DSP doing the heavy lifting on integration — available at Soundium.
