Mackie Thump18Sv4 Aktiver 18 Zoll PA Subwoofer

Mackie Thump18Sv4 Active 18-Inch PA Subwoofer

Are you looking for an active subwoofer that not only adds a little more bass to your PA system, but also delivers real, punchy low-end? The Mackie Thump18Sv4 Active 18-inch PA Subwoofer is designed for anyone who needs a powerful bass foundation for live gigs, DJ sets, events, parties, rehearsals, or mobile sound reinforcement applications. When you want bass drums, electric bass, electronic kicks, synth bass, or complex basslines to be not just audible but physically felt, a professional subwoofer is the right addition to your speaker system.

With its 18-inch high-performance woofer, an integrated 1,400-watt Class D amplifier, and a maximum sound pressure level of up to 132 dB, exactly the power reserves needed for impactful sound reinforcement. The low-frequency response extends down to 33 Hz, providing a particularly powerful foundation. This added depth is immediately noticeable, especially with modern music, electronic genres, hip-hop, rock, pop, or danceable event music. The sound feels bigger, fuller, and more professional.

The subwoofer is particularly appealing to anyone already using Thumpv4 speakers or looking to effectively expand an existing PA system. The selectable high-pass modes allow the bass range to be optimally adapted to connected speakers. Matching modes are available for the Thump12v4, Thump15v4, and Thump GO, while the variable mode allows for manual adjustment of the crossover to other speaker systems. This makes the Mackie Thump18Sv4 Active 18-inch PA Subwoofer a flexible bass hub that performs exceptionally well in both Mackie systems and mixed PA setups.

Manufacturer

Mackie is an established brand in the field of professional audio technology and has stood for practical, robust, and high-performance solutions for many years. Whether active speakers, mixing consoles, studio monitors, or PA components: Mackie products are designed to offer users reliable technology with straightforward operation. Especially in the mobile sound reinforcement sector, this combination of performance, practicality, and ease of use is a key advantage.

Mackie’s Thump series is known for its powerful sound and excellent value for money. With the Thumpv4 generation, the concept has been further developed to even better meet modern demands for mobile PA systems, live sound, and event technology. The Mackie Thump18Sv4 Active 18-inch PA Subwoofer is the particularly powerful low-frequency solution within this series for anyone who wants more bass performance than is possible with compact full-range speakers alone.

Mackie takes a clear, practical approach with the Thumpv4 series. The devices are designed to impress not only on paper but also during transport, setup, and daily use. The Thump18Sv4 is therefore built to be rugged, features integrated handles, and offers a connection and control section that simplifies use with various speakers. This makes it a reliable workhorse for musicians, DJs, event technicians, clubs, schools, event venues, and mobile service providers.

Technical Details

The Mackie Thump18Sv4 Active 18-inch PA Subwoofer is an active PA subwoofer featuring an 18-inch high-performance woofer. Compared to smaller subwoofers, an 18-inch driver typically offers more cone area and thus particularly powerful low-frequency reproduction. This is ideal when a PA system needs to sound not only clean and loud, but also impressively full. The subwoofer delivers deep bass down to 33 Hz, making it ideal for music genres and applications where a solid bass foundation is crucial.

The integrated 1,400-watt Class D amplifier delivers the necessary power directly within the unit. A separate amplifier is not required, making the entire setup more streamlined and ready for use more quickly. Class-D amplification is particularly well-suited for PA applications, as it combines high power with efficient operation. For you, this means: fewer additional components, less cabling, and an active subwoofer whose amplifier and speaker are optimally matched.

With a maximum sound pressure level of up to 132 dB, the Thump18Sv4 has plenty of headroom for professional live gigs, DJ applications, and events. The high sound pressure ensures that the bass remains present even at higher volumes, allowing the audience to feel the energy of the music. This performance capability is a decisive factor, especially at dance events, band performances, or with bass-heavy music styles. The Mackie Thump18Sv4 Active 18-inch PA Subwoofer not only extends the sound spectrum downward but also takes the load off the connected power amplifiers.

A key technical feature is the selectable high-pass modes. When speakers are connected to the high-pass outputs, the subwoofer can handle low frequencies, while the top boxes are relieved of particularly deep bass components. As a result, the main speakers operate more efficiently, often sound clearer, and can deliver more headroom in the midrange and high-frequency ranges. The interaction between the subwoofer and the top speakers becomes more controlled, powerful, and professional.

A high-pass mode with a 140 Hz crossover is available for the Mackie Thump12v4 speakers. For Thump15v4 speakers, a mode with a 110 Hz crossover is provided. The Thump GO mode operates with a 150 Hz crossover and is optimized for the corresponding compact speakers. Additionally, there is a variable mode that allows the crossover to be manually adjusted to any connected speakers. This flexibility is particularly useful when the subwoofer is to be combined with speakers from other series or brands.

All high-pass modes offer a delay of up to 1.4 ms for time alignment. This feature is important because subwoofers and main speakers are often not positioned exactly the same way in the room or may have different signal processing times. Appropriate time alignment helps make the bass reproduction sound more precise and defined. Especially in the crossover region between the subwoofer and the main speakers, a clean alignment can yield audible benefits. The bass then sounds less muddy and is better integrated with the rest of the soundstage.

The connection options on the Mackie Thump18Sv4 Active 18-inch PA Subwoofer are designed for professional PA applications. Stereo XLR inputs allow for the connection of DJ controllers, mixing consoles, or other audio sources. Stereo XLR high-pass outputs can supply connected speakers with the appropriate filtered signal. Additionally, stereo XLR full-range outputs are available for passing through the complete signal. This is particularly useful when integrating another subwoofer or setting up a larger system.

For additional control, the subwoofer offers basic but essential subwoofer functions. The phase reversal switch helps adapt the bass response to the room and the position of the speakers. Depending on the setup, phase reversal can make the bass sound more powerful and defined. The stereo or mono summing allows for flexible use with one or two subwoofers. This enables the system to be configured to suit the event size and available equipment.

The variable level control ranges from mute to +6 dB. This allows you to directly adjust the intensity of the bass range. For subtle background music, a low setting is sufficient, while DJ sets, live concerts, or party sound systems may require more bass punch. The front LED can be turned on or off. This is a small but practical detail when the subwoofer needs to remain as inconspicuous as possible on stages, during presentations, in theaters, or in visually discreet installations.

The design is also geared toward everyday use. The Mackie Thump18Sv4 features a robust and modern construction, ensuring it reliably withstands regular events, transport, and setup and teardown procedures. Despite its powerful 18-inch driver, the subwoofer remains transportable for its performance class, weighing in at 31.9 kg. Integrated handles facilitate handling and help carry, position, and reload the unit safely.

The dimensions are 541 mm in height, 630 mm in width, and 605 mm in depth. This gives the subwoofer a powerful enclosure volume while remaining well-suited for mobile PA applications. The integrated M20 thread allows for the attachment of a compatible spacer bar, such as the separately available Mackie SPM400. This enables a stand-mountable Thump speaker to be positioned directly above the subwoofer. This creates a compact all-in-one system that requires little floor space yet still delivers impressive sound dispersion.

Purchase Recommendation

The Mackie Thump18Sv4 Active 18-inch PA Subwoofer is highly recommended for anyone looking to give their PA system a significantly more powerful bass foundation. If you’ve been working exclusively with full-range speakers up until now, you’ll quickly notice the difference: the bass range gains more depth, more punch, and more physical impact. At the same time, the load on the top speakers is reduced, which benefits the overall sound.

For DJs, the Thump18Sv4 is a strong choice because electronic kicks, basslines, and club tracks are delivered with more energy. For bands, the subwoofer ensures that the bass drum and bass guitar are better positioned in the room and that the live set gains more foundation. The subwoofer is also appealing for mobile event technology, schools, clubs, event spaces, and small to medium-sized stages because it combines high power, flexible connectivity options, and easy operation.

A key selling point is its versatile system integration. The dedicated high-pass modes for the Thump12v4, Thump15v4, and Thump GO make it easy to build a balanced Mackie system. At the same time, the variable mode ensures that the Mackie Thump18Sv4 Active 18-inch PA Subwoofer can also be effectively used with other speakers. This versatility makes it a flexible long-term investment that works beyond a single setup.

The active design is another plus for the subwoofer. You don’t need an external amplifier, can feed signals directly via XLR, and have key controls right on the unit. The level control, phase reversal, mono or stereo operation, full-range outputs, and high-pass outputs make the subwoofer a practical tool for a wide variety of sound reinforcement situations.

If you’re looking for a particularly powerful subwoofer that goes deeper than more compact models and remains confident even with more demanding music, the Mackie Thump18Sv4 is a very compelling solution. It delivers 18-inch low-bass down to 33 Hz, 1,400 watts of Class-D power, up to 132 dB sound pressure, and a rugged construction. This makes it ideal for anyone who doesn’t want to compromise on bass, dynamics, and live impact.

Features:

• Active 18-inch PA subwoofer for powerful low-frequency extension
• Ideal for complementing Thumpv4 speakers and other PA systems
• 1,400-watt Class-D amplifier for high power reserves
• Maximum sound pressure level of up to 132 dB
• 18-inch high-performance woofer for particularly powerful bass reproduction
• Low-frequency response down to 33 Hz
• Selectable high-pass modes for adaptation to connected speakers
• Thump 12 mode with 140 Hz crossover for Thump12v4 speakers
• Thump 15 mode with 110 Hz crossover for Thump15v4 speakers
• Thump GO mode with 150 Hz crossover for Thump GO speakers
• Variable mode for manual crossover adjustment
• Delay up to 1.4 ms for time alignment in all high-pass modes
• Stereo XLR inputs for DJ controllers, mixing consoles, and other sources
• Stereo XLR high-pass outputs for connected speakers
• Stereo XLR full-range outputs for looping through the entire signal
• Suitable for expansion with an additional subwoofer
• Phase reversal switch for optimizing bass reproduction
• Stereo or mono summing for flexible system configurations
• Variable level control from mute to +6 dB
• Front LED can be turned off for discreet stage and event applications
• Robust, modern construction for regular live use
• Integrated handles for easier transport
• M20 thread for pole mounting
• Compatible with the separately available Mackie SPM400 extension pole
• Enables compact all-in-one PA setups with the power amp mounted above the subwoofer
• Dimensions: 541 x 630 x 605 mm
• Weight: 31.9 kg
• Suitable for live gigs, DJ sets, events, mobile PA systems, rehearsal rooms, and small to medium-sized stages

Specs:

• Power: 1400 W
• Housing Material: Multiplex
• Pole Mount: yes
• Woofer: 1 x 18
• Set Offer: no
• Type: PA System
• Theme: PA and Sonication

Further links:

• Print View