Mackie 1600W Professional Powered Subwoofer, 18”

The SR18S 18” 1600W Professional Powered Subwoofer features the latest acoustic processing technology, powerful amplification, and versatile configurations to deliver incredible sound and unbeatable reliability.

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 M20 threaded pole cup
• Weight: 74.5 lb / 33.8 kg
• Dimensions: 23.3 x 23.0 x 27.0 in / 592 x 584 x 686 mm