Summary: Type: subwoofer; Size: 30 cm (12 in.); The number of bands: 1; Power: 360 W (nominal); Frequency range: 24 - 800 Hz; Built-in amplifier: yes; Crossover frequency: 40-250 Hz; Housing: yes; Enclosure type: vented; Features: high voltage input; Number of speakers: 2; Dimensions: 300 mm; Type of winding: double; ...