Car enclosed subwoofer 12 "30 cm ALPINE SBG 1244BP sound electronics columns 89.8dB subwoofers for cars acoustics auto audio parts components speaker| | - AliExpress
ALPINE SBG-1244BP 12" Car Subwoofer and Band Pass Box Enclosure Bass - £139.00 | PicClick UK
User manual Alpine SWG-1244 (English - 12 pages)
12" subwoofer with enclosure Alpine SBG-1244BP, ALP-SBG1244BP | Euronics