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1000W 18″ Powered SR Subwoofer


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The Mackie SRM1801 18″ Powered Subwoofer delivers powerful, chest-thumping lows, perfect for your SRM450v2 PA system. The SRM1801 has a ported bass reflex design that produces tight low end. And the lightweight, ultra-efficient Class-D Fast Recovery™ power amplifier delivers 1000W peak power with less risk of thermal overload. This makes the sub extremely lightweight and portable, without compromising the power and performance that you need. It’s the first ever 18″ subwoofer specifically designed for use with the best-selling SRM450v2—add some serious low end to your portable PA with the SRM1801.

What does 1000W of peak power mean to you? It means having a subwoofer that delivers rump-shaking bass night after night. It means getting class-leading power and output. To accomplish this, the SRM1801 features Class-D Fast Recovery™ amplification. Class-D amps are more efficient and lightweight, with far less waste heat produced versus competing designs. Fast Recovery means you can occasionally push into clipping without a ton of nasty distortion. So, power is no problem… but how does it sound? The SRM1801 benefits from built-in Active electronics, like a precision crossover and tuning filters for accurate bass response. Some subwoofers have decent power, but when you listen, everything sounds loose and flabby. The SRM1801 delivers professional low end that you can feel…custom tuned to be tight and punchy.



  •   〉   1000W of ultra-efficient Class-D Fast Recovery™amplification
  •   〉   Mackie Active electronics provide total systemoptimization
  •   〉   Precision crossover (125Hz)
  •   〉   Tuning filters for accurate bass response
  •   〉   18″ woofer delivers superior output and low-frequency extension (aka Thump)
  •   〉   Dual XLR inputs for mono or stereo applications
  •   〉   Stereo high-pass and full range outputs
  •   〉   User-adjustable level and polarity controls
  •   〉   Individual power, signal, OL, and thermal protectindicators
  •   〉   Pole receptacle for mounting full-range loudspeakers
  •   〉   Solid plywood enclosure with high-durability, texturedblack paint
  •   〉   Extremely lightweight and portable – 73 lbs (33.1 kg)




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