Summary: Type: subwoofer; Size: 30 cm (12 in.); The number of bands: 1; Power: 550 watts (maximum); Frequency range: 35 Hz to 500 Hz; Built-in amplifier: yes; Housing: yes; Enclosure type: vented; Features: high voltage input; Dimensions (WxHxD): 880x415x375 mm; Number of speakers: 2; Dimensions: 300 mm; Additional information: remote; filter L ...