SPL-12SV2 12" Single Side Ported Subwoofer Enclosure with Rugged Coat – Atrend USA
Street Sound Electronics - AAA 200 EURO BOX SPL 152 Db:Per rinnovo nostro magazzino SVENDIAMO questo bellissimo box(solo il box senza subwoofer e amplificatore) sia per SPL puro che per elevata pressione
Ground Zero - GZHW 20XSPL-D2 8″ high quality SPL subwoofer| Maverick's Custom Motorsports
Amazon.com: Rockville RBS15 Big Single 15" SPL Side Vented Car Sub Enclosure Box 4.4 Cu Ft : Electronics