12" (305mm) Polycellulose Low-Frequency Woofer; Power250W RMS (500W Dynamic) Frequency Response32Hz – 150Hz; Crossover Frequencies50Hz – 150Hz (variable) 24dB/octave; ControlsAuto Power, Crossover, Level, Phase Input1 x Line-Level LFE Input; Dimensions (W x D x H)370 x 420 x 395mm; Weight 18.64kg