MACKIE SRM1801 18" Powered SR Subwoofer (1000w)

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.
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-inch woofer delivers superior output and low-frequency extension (aka Thump)
Dual XLR inputs for mono or stereo applications
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)