Amazon.com: Timpano 15" Sub D4 1600 Watts Max Power Dual 4 Ohm, 15 Inch Car Subwoofer 16 mm Xmax, TPT-T1500-15 D4, 2.6 in Voice Coil, Double Stacked Magnet Sub Woofer for Car
Audio System Italy ASS-15 | Subwoofer - Subwoofer
SUBWOOFER 15" – spaudio
Speaker Sica 12E2.5CS, 4 ohm, 12 inch
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COPPIA WOOFER PROFESSIONALI 800w 15" pollici 38 CM 4 OHM art cps154
SPEAKER 18SOUND 15" 15LW1401 - A. Ally & Sons
XXL INSIDE ITALIAN STYLE SWD315 - Subwoofer attivo - 350W P.A. | Musical Store 2005