The Mackie SR18S powered subwoofer offers premium sound for working musicians, DJs, and venues alike. Its 1600-watt Class D amplifier packs reliable, consistent performance in a lightweight package, and its custom high-efficiency transducer ensures top-notch sound. A dedicated processing module guards against system overloads with the outmost in transparency. This state-of-the-art powered sub includes application-specific Custom Voicing presets for simplified setup; the SR18S also includes a variable crossover, easy system optimization features, versatile output options, and an integrated pole cup for your main speaker. FEATURES  1600W Class D amplifier packs reliable, consistent performance in a lightweight package Custom Voicing presets tailor the PA to your application Robust woofer delivers smooth sound at high SPLs Dedicated processing module guards against system overloads with the utmost transparency Variable crossover enables you to fit into any mix Polarity invert switch for correcting phase problems Stereo and mono summing for single- or dual-subwoofer deployment Variable level control that ranges from -6dBU to +6dBU 2 full-range outputs and 2 highpassed outputs make system integration easy Pole mount allows you to attach a speaker pole for a main speaker  SPECIFICATIONS  Powered/Unpowered:Powered LF Driver Size:18" Total Power:1600W Class D Inputs:2 x XLR Outputs:2 x XLR (high pass), 2 x XLR (full range) Frequency Response:33Hz-200Hz (±3 dB) Maximum Peak SPL:133 dB SPL @ 1m Mounting Options:Floor, Pole Power Source:Standard IEC AC cable Enclosure Material:Molded Plastic Height:23.3" Width:23" Depth:27" Weight:74.5 lbs.

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