Del mío dicen esto:
Active vented-box subwoofer system with magnetic shielding
1 x 375mm (15-in) dia long-throw drive unit
± 3dB at 18Hz - 40/140Hz adjustable
300W continuous
100 litres
50kg (110lb)
Height: 580mm Width: 610mm
Depth: 600mm
Cabinet: Black Ash vinyl
Grille: Black cloth