Scosche SASCN656 2004 Scion xB Rear Speaker Adapter UPGRADE YOUR SPEAKERS: Adapters enable you to upgrade your factory 6.5 to 5.25 or 6.5 aftermarket speakers into the actual factory rear locations. SPEAKER COMPATIBILITY: Fits most 5.25 or 6.5 aftermarket speakers. VEHICLE COMPATIBILITY: 2004 to 2006 Scion XB vehicles. QUALITY MATERIALS: High-grade ABS materials designed for a long lasting, secure fit. BUY WITH CONFIDENCE: Backed by Scosche's Lifetime Tech Support and Limited Lifetime Warranty