<strong>Built To Be Worked</strong><br />The Mackie <strong>SRM1850</strong> 18" Ppowered Subwoofer is "Built-Like-A-Tank", delivering 1600W of intense power in an ultra-high-output design that can shake the room. The professional-grade, internally-braced all-wood enclosure provides tour level road-worthiness with maximum low-frequency extension and punch.</p><p>SRM subwoofers feature stereo XLR inputs, full-range and high pass outputs plus a variable digital crossover that includes presets for SRM top boxes.</p><p>The Smart Protect&trade; DSP is also in place to protect your investment when things get pushed a little too hard. Get high-output, air-moving lows you demand in a rock solid subwoofer with our proven performance.</p><p><strong>Modern Workhorse</strong><br />With three powerful full-range boxes and two chest-pounding subwoofers, SRM loudspeakers deliver the modern output, amazing sound and proven durability you demand from your system. Featuring Mackie High Definition Audio ProcessingT and optimization tools like application-specific speaker modes and a feedback destroyer, SRM is the ultimate modern everyday PA speaker.</p>