JBL CS1214T 1000-Watt, Bass Tube with 12" (30 cm), Car Audio Subwoofer, Black | eBay
JBL S2-1224SS Set per Subwoofer auto JBL da 12 pollici - 1100 Watt Custodia per Bassi Harman Kardon hi-fi con cassa porting slipstream passivo - 12" | 30 cm | 300 mm : Amazon.it: Elettronica
TRAPANI, DOPPIO SUBWOOFER JBL 30 275W RMS X2 EURO 150 - Video Dailymotion
B-Ware K JBL Club WS1200-30cm Subwoofer, extra flach : Amazon.it: Elettronica
JBL STAGE 1200D doppio subwoofer da 30 cm in cassa reflex | Subwoofer
SUBWOOFER 30 CM JBL S3-1224 - Cdiscount Auto
JBL 2213H Woofer Unit Pair Set 30cm Cone Woofer 40Hz to 3kHz Speaker Audio | eBay
JBL CLUB 1224 subwoofer 30cm (12") con impedenza commutabile a 2 o 4 O