- Mackie Thump 215 - active loudspeaker; 15" high-power woofer; 1" polymer compression driver; 1400W Class-D power; road-ready design; maximum level 129dB; frequency response 40 Hz - 23 kHz; inputs and outputs: Channel 1 with XLR/TRS combo input for mic and line signals, Channel 2 with XLR/TRS combo line input and stereo mini jack, Thru output with mix of both channels; built-in feedback eliminator, music ducking (automatically reduces level on Channel 2 when Channel 1 receives signal); angled on both sides for use as stage monitor; suitable for standard stands; dimensions 685 x 442 x 355 mm; weight: 15.8 kg; color: black