Powered 1200W (600 W RMS) subwoofer from Thump series that features a professional band-pass design that delivers class-leading output, precision crossover (140 Hz) and deep, punchy lows. It provides an ample power for high-output applications and is perfect for use with the Mackie Thump or SRM speaker systems. It is equipped with a 18” custom high-output woofer and cool-running Class D amplification, fitted into the cabinet with Mackie’s signature “Built-Like-A-Tank” construction and robust all-wood enclosure with high-durability finish. The subwoofer provides a full set of professional input and output connections for simple integration and sonic optimization of any system, including dual XLR inputs for mono and stereo applications, stereo high-pass outputs and stereo full-range outputs for adding more subwoofers. It also features an ample system protection, tuning filters that deliver highly accurate bass response, robust system protection, user-adjustable level and polarity controls. The subwoofer also provides a pole cup for easy mounting of a full-range loudspeaker. Frequency range: 40 Hz-120 Hz. Maximum peak SPL: 130 dB. Dimensions: 672 x 573 x 580 mm. 37 kg.