Gravity

Gravity 15BST(2)+SS12+MIC+XLR(2) Mackie Thump15BST Powered Speaker Pair Bundle

4.1 (25 reviews)
XLR

A 1,300-watt powered speaker pair with built-in mixing, Bluetooth streaming, and wireless linking for full-range live sound reinforcement

$999.99*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

The Mackie Thump15BST pair, bundled here by Gravity with stands, a microphone, and XLR cables, is a turnkey PA solution built around Mackie's proven powered loudspeaker platform. Each cabinet pushes 1,300 watts through a 15-inch woofer and compression driver, powered by a Class-D amplifier with Dynamic Bass Response — a DSP-driven low-end enhancement that extends bass output and adds visceral impact without the muddiness you'd get from simply boosting an EQ. The sonic signature leans warm and full, with enough high-frequency clarity for intelligible speech reinforcement and enough low-end authority to anchor a DJ set or drive an electronic music showcase. The two Vita+ preamps with Wide-Z technology accept everything from low-impedance dynamic mics to hot line-level feeds without gain-staging headaches, and the Bluetooth input lets you stream walk-in music or backing tracks directly from a phone or tablet.

Build quality on the Mackie cabinets is solid — the molded enclosures handle the bumps and scrapes of mobile work, and the rear panel controls are recessed enough to avoid accidental adjustments. Wireless speaker linking is a standout feature: stereo mode gives you genuine left-right imaging from a single source, while dual-zone mode lets you feed different audio to each speaker for multi-room or stage-monitor applications. The XLR thru output remains available for traditional daisy-chaining when you want zero-latency signal distribution. The bundled EMB stands are functional and hold the weight securely, though they lack the refinement of dedicated speaker stands from K&M or On-Stage. For mobile DJs, small-venue performers, houses of worship, and corporate AV setups that need reliable, powerful sound with minimal complexity, this bundle delivers a complete system that sounds significantly better than its price point suggests.

Key Features

Mackie Thump15BST Boosted (Pair) + EMB Microphone + EMB Stands + EMB XLR Cable Bundle

1, 300 watts of high-output power in a portable package

Class D amplifier with Dynamic Bass Response yields chest-thumping low end that's ideal for DJs and electronic musicians

Built-in 3-channel digital mixer features 2 Vita+ preamps with Wide-Z technology that handle mic, instrument, and line-level signals

Wirelessly link your speakers together in stereo or dual-zone modes, or wire them together via an XLR thru output

Specifications

Brand (Speakers)
Mackie
Model
Thump15BST
Bundle Brand
Gravity
Power Output
1,300 Watts (per speaker)
Woofer Size
15 inches
Amplifier Type
Class-D with Dynamic Bass Response
Mixer
Built-in 3-channel digital
Preamps
2x Vita+ with Wide-Z technology
Bluetooth
Stereo Bluetooth input
Outputs
XLR thru
Inputs
Mic, Instrument, Line-level, Bluetooth
Wireless Linking
Stereo and Dual-Zone modes
Dimensions (per speaker)
14 x 14 x 24 inches
Weight (pair)
72 lbs
Bundle Includes
2x Thump15BST, 2x EMB Speaker Stands, 1x EMB Microphone, 2x EMB XLR Cables

Pros & Cons

👍 Pros

  • 1,300 watts per speaker delivers high-output volume with clean headroom for medium-sized venues and outdoor events
  • Dynamic Bass Response produces deep, controlled low end that fills a room without a separate subwoofer for many applications
  • Built-in 3-channel mixer with Wide-Z preamps eliminates the need for an external mixer in simple setups
  • Wireless speaker linking in stereo or dual-zone modes gives flexible coverage without running long cable runs
  • Bundle includes stands, mic, and XLR cables so you can be running sound within minutes of opening the box

👎 Cons

  • At 36 pounds per speaker, repeated solo load-ins without a cart will wear on you over a long season of gigs
  • The built-in mixer is convenient but limited — three channels won't cover a full band, so you'll still need an external board for larger shows
  • Bluetooth audio streaming introduces latency that's noticeable if you're trying to use it for monitoring or anything timing-critical
  • EMB bundled accessories (mic, cables, stands) are serviceable but noticeably lower quality than the Mackie speakers themselves
  • 15-inch drivers in this enclosure size can sound boxy in the low-mids if you're pushing them hard in a small, reflective room

Frequently Asked Questions

Each Thump15BST runs a Class-D amplifier with Mackie's Dynamic Bass Response processing, which actively shapes the low-frequency output to deliver extended, punchy bass without requiring a separate subwoofer for many applications. You'll hear solid chest-level impact down to the driver's natural rolloff — well-suited for DJ sets and electronic music where the kick needs to hit hard.
Each speaker has a 3-channel digital mixer with two Vita+ mic/line preamps featuring Wide-Z technology, meaning you can plug in a dynamic mic, a condenser, a keyboard, or a line-level source without worrying about impedance matching or gain staging. The third channel is the Bluetooth input. For a small gig, you can run vocals and a backing track without an external mixer at all.
Yes. The Thump15BSTs support wireless speaker linking in either stereo mode (left/right separation from a single source) or dual-zone mode (independent audio to each speaker). You can also link them via the XLR thru output if you prefer a wired connection for zero-latency signal distribution.
The Gravity bundle includes two Mackie Thump15BST powered speakers, two EMB speaker stands, one EMB dynamic microphone, and two EMB XLR cables — essentially everything you need to set up and run a basic PA system out of the box.
The pair weighs approximately 72 pounds total (around 36 pounds per speaker), plus stands and accessories. Each speaker measures 14 x 14 x 24 inches. It's manageable for a solo operator doing mobile DJ or small venue work, though you'll want a dolly or cases if you're loading in regularly.