Designed with the sound performance and durability required for use day after day, the SR18S 18-inch 1600W Professional Powered Subwoofer is for real-world working musicians, DJs, events, venues, and beyond! The latest acoustic processing technology, powerful amplification, and versatile configurations deliver incredible sound and unbeatable reliability.

Custom Voicing modes and a variable crossover makes optimization for your system easy. Built-Like-A-Tank construction features a rugged wood cabinet and tough steel grille that is built to last. A perfect complement to the SRT Series, SRM | V-Class Series or any PA, SR18S not only adds powerful low end, but allows for a massive increase in efficiency and output for your whole system.

Mackie SR18S 18-Inch Powered Subwoofer Features

• A True Workhorse for Gigging Professionals:
  • 1600W Class-D amplifier is designed for ultra-reliable, 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
  • Frequency response: 33Hz - 200Hz
  • Max SPL: 133 dB
• 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
• Versatile configuration options: Integrated pole cup

Mackie SR18S 18-Inch Powered Subwoofer Specifications

• Weight: 74.5 lb / 33.8 kg
• Dimensions: 23.3 x 23.0 x 27.0 in / 592 x 584 x 686 mm