Maximum output level 20Hz – 150Hz with no more than 0.1% THD, 250W, RMS, 300W dynamic; Power Requirements 120VAC @ 60Hz, 3.66A 230VAC @ 50- 60Hz, 2.0A - 230VAC @ 50-60Hz, 2.0A; Height 17-3/4” (450mm); Width 15-3/4” (400mm); Depth With grille; Weight 51 lb (23.2kg); Crossover Frequencies Low pass 50Hz – 150Hz, 24dB/octave, continuously variable; Finishes Black; Low Frequency Extension -3dB at 36Hz, -6dB at 32Hz, - 10dB at 29Hz