SWA1501 Subwoofer

Sometimes you need all the bottom-end you can get. That's where the
Mackie SWA1501 Active Subwoofer System comes in. The SWA1501 features
an internal 500-Watt Mackie FR (Fast Recovery) Series amplifier and a
high-precision 15" transducer, custom designed for optimal
performance with the amp and encl...