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Mackie Mackie

Mackie SR18S 18" 1,600W Professional Powered Subwoofer Black

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Designed for real-world working musicians, DJs, events, venues and beyond.

The Mackie SR18S 18" 1,600W professional powered subwoofer is designed to deliver powerful, reliable low end for working musicians, DJs, live events and venues. Packing 1,600W of power, the SR18S provides immense low-frequency response for any professional sound system.

Immense Power for Any Sound System

With 1,600W of power on tap, the SR18S adds a massive amount of low-end to your PA system, increasing both efficiency and maximum output. Whether you need to fill a small club or an arena, the SR18S provides the power and performance you need.

Optimized for Your Needs

Custom Voicing modes and a variable crossover make it easy to optimize the SR18S for your specific system. Select from presets for music, speech and more or dial in your own custom settings. The variable crossover allows you to choose the perfect frequency range for the subwoofer, ensuring a balanced sound with clear lows that integrate perfectly with the rest of your system.

Road-Ready and Built to Last

The SR18S is built from high-quality components to withstand the demands of life on the road. The rugged wood cabinet and durable steel grille protect the components within, while ergonomic handles and wheels make transporting the cabinet easy. Designed for real-world reliability, the SR18S delivers performance night after night.

Enhance Your Full-Range System

Whether paired with SRT series tops, SRM V-Class series or any other professional PA equipment, the SR18S allows you to achieve a fuller frequency range and higher maximum SPL. Adding a SR18S subwoofer enhances your main PA, provides rich, powerful low end and gives your whole system a major boost in power and performance.


  • 1,600W Class-D amplifier designed for ultrareliable, consistent performance
  • Custom high-efficiency transducer ensures maximum punch
  • Increases efficiency of your full-range loudspeakers by taking care of the low end for the entire system
  • Built-Like-A-Tank to conquer every gig while lightweight for easy loading
  • Custom Voicing Presets
    • Flat: Natural balance between deep bass and overall output
    • Deep: Emphasizes ultra-low frequencies, great for dance, rap and electronic music
    • Punch: Prioritizes highest possible output level, great for bands and rock music
    Optimize for Your System
    • Variable crossover frequency
    • Polarity invert switch
    • Defeatable front LED
    • Stereo or mono-summing for single or dual subwoofer deployment
    • Variable level control (-6dBU to +6dBU)
    Transparent System Limiting and Protection
    • Dedicated processing module monitors and protects the amplifier in real time
    • Sound quality and tonal balance is maintained even under heavy limiting
    • Input limiting keeps your source signal in check so if you’re sending audio that’s a bit too hot, the speaker will cool it down
    • Universal Power Supply (100-240VAC) with Power Factor Correction for stable operation even with unstable AC power
    Versatile I/O
    • Stereo XLR inputs
    • Stereo full-range XLR outputs
    • Stereo high-pass XLR outputs

    For easy setup, incredible sound and unbeatable reliability, order an SR18S sub for your system.


    SR18S 18" 1,600W Professional Powered Subwoofer Specifications:

  • Frequency response: 33Hz–200Hz
  • Max SPL: 133dB
  • Weight
    • 74.5 lb., 33.8 kg
    • 23.3" x 23" x 27", 592 x 584 x 686 mm

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    • Orders placed before 3 p.m. ET usually ship the same business day.
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