Summary: Type: subwoofer; Size: 30 cm (12 in.); The number of bands: 1; Power: 300 W (nominal), 600 watts (maximum); Sensitivity: 90 dB (W/m); Frequency range: 27 - 800 Hz; Impedance: 4 Ohm; Built-in amplifier: yes; Housing: yes; Enclosure type: vented; Features: high voltage input; Dimensions (WxHxD): 430x360x554 mm; Number of speakers: 1; Dim ...