Mackie SR18S 18" 1600W Professional Powered Subwoofer

Mackie SR18S Overview

The Mackie SR18S is a high-output, professional powered subwoofer well suited for mobile entertainment, AV rental, event production, clubs, and performance venues. The subwoofer features the latest acoustic processing technology, powerful amplification, and versatile configurations to deliver remarkable sound and reliability.

The 18" direct-radiating driver is powered by a 1600W Class-D amplifier, which delivers high sound pressure levels with dynamic and musical sound reproduction of very-low frequencies. The rear panel features a pair of balanced XLR inputs, a pair of full-range XLR outputs, and a pair of high-pass XLR outputs. Additionally, the custom voicings and variable crossover make optimization for your system simple and easy.

The "built-like-a-tank" construction features a rugged wood cabinet and tough steel grille that is built to last. A great complement to the SRT Series, SRM | V-Class Series or any PA, the SR18S not only adds powerful low end, but allows for a massive increase in efficiency and output for your whole system.

True Workhorse for Gigging Professionals

• 1600W Class-D amplifier is 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 ultralow frequencies. Great for dance, rap, and electronic music
• Punch: Prioritizes highest possible output level. Great for bands and rock music

Optimized 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 (-6 to +6 dBU)

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 (100-240 VAC) with power factor correction for stable operation, even with unstable AC power

Versatile I/O and Configuration Options

• Stereo XLR inputs
• Stereo full-range XLR outputs
• Stereo high-pass XLR outputs
• Integrated pole cup