Enclosure type: Ported. Bass Unit: 2 x 170mm. Amplified Power: 140W rms. Crossover Frequency: 50Hz – 150Hz (var) Dimensions: 400 x 200 x 525 mm (15.7 x 7.9 x 20.7 in) overall. Weight: 13.6kg (30 lbs) Sold in: Single. Warranty: 2 Years.