MACKIE SR18S Professional Powered Subwoofer

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