Mackie Thump18Sv4 Professional 18-Inch Powered Subwoofer - 1400W

The Mackie Thump18Sv4 Professional 18-Inch Powered Subwoofer – 1400W is designed to deliver earth-shaking low-end performance for DJs, live bands, clubs, and large event systems. Featuring a powerful 18-inch woofer and robust built-in amplification, it produces deep, impactful bass that adds serious weight to any sound system. Whether it’s thundering kick drums or extended bass lines, the Thump18Sv4 ensures your audience feels every beat with clarity and intensity.

Built for seamless system integration, the Thump18Sv4 works perfectly with Mackie Thump loudspeakers, making it an ideal choice for expanding full-range PA setups. Its built-in high-pass modes allow automatic optimization based on speaker size, ensuring balanced and clean system performance without complex tuning. For users who prefer more precision, the adjustable crossover control provides full manual flexibility, allowing you to fine-tune your low-frequency response for different venues and sound requirements.

Despite its powerful output, the Thump18Sv4 is designed with portability in mind, making it suitable for touring professionals and mobile setups. Integrated heavy-duty carry handles make transportation and stage placement easier, while its rugged construction ensures reliability under demanding live conditions. Combining massive bass performance, flexible tuning options, and road-ready durability, the Thump18Sv4 is built to elevate any professional sound system.

Product specifications:

Frequency Range/Response: 25 Hz to 160 Hz (-10 dB) / 33 Hz to 160 Hz (-3 dB)

Speaker Type: Active Subwoofer

Enclosure Type: Bass-Reflex

Total Output Power: 1400 W Peak

Amplifier Class: Class-D

LF Driver: 1 × 18" (45.7 cm) Woofer

Maximum SPL: 132 dB SPL

Protections: Output Limiter, RMS, Signal Limiter, Thermal

Crossover Frequency: 80 Hz to 160 Hz

EQ & Filters: No

Dynamic Processing: Peak Limiter

Alignment Delay: No

Digital Signal Processing: User Settings

Audio I/O: 2 × XLR 3-Pin Line Input / 4 × XLR 3-Pin Line Output

Network I/O: No

USB I/O: No

Wireless: No

Mobile App Compatible: No

AC Input Power: 100 to 120 VAC, 50 / 60 Hz

AC Power I/O: 1 × IEC Input

Power Consumption: 400 W

Color: Black

Mounting: 1 × M20-Threaded Pole Socket (Top)

Handles: 1 × Each Side

Environmental Resistance: No

Product Weight: 71 lbs. 

Product Dimensions(L x W x H):  24 " x 25 " x 21 "

Shipping Weight: 88 lbs.

Shipping Dimensions(L x W x H): 30 " x 31 " x 24 "