Mackie SRM1801
1000W 18" Powered SR Subwoofer

Mackie's SRM1801 18" Powered Subwoofer delivers powerful lows that are ideal for your SRM450v2 PA system.  The SRM1801 has a ported bass reflex design that produces tight low end.  And the 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 PA system.

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.  The SRM1801 benefits from built-in Active electronics, like a precision crossover and tuning filters for accurate bass response.

The SRM1801 has both full-range and high-pass stereo outputs for connection to full-range top boxes.  Just dial in the appropriate level and use the polarity switch to make sure the sub is in phase with the top boxes.  The integrated pole-cup can accommodate a standard mounting pole, or you can just stack your full-range box on top.

Additional Features:

• 1000W of ultra-efficient Class-D Fast Recovery™ amplification
• Mackie Active electronics provide total system optimization
• 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 protect indicators
• Pole receptacle for mounting full-range loudspeakers
• Solid plywood enclosure with high-durability, textured black paint
• Extremely lightweight and portable - 73 lbs (33.1 kg)

NOTE: Additional specifications can be found on the specs sheet, which is found under the documents tab.