Advantage: Car audio speaker spacer ring aid in audio speaker installation, play an important part in reducing resonance and making the speakers stronger. Replace new car speaker spacers adapter, provide better sound quality,fixed speakers to reduce door resonance. The ring mounting bracket is good partner for mounting new speaker. You can install the speakers you want by adding extra depth. Material:Speaker mounting bracket ring made of good ABS material, will not oxidize moisture-proof, durable, wear-resistant, long service life, smooth surface, not easy to fade, no scratches.Functionality: Material:ABS Fit for Speaker Dia:6.5" Depth: 40mm / 1.57" Inner Diameter: 147mm/5.79" External Diameter: 168mm/6.61" Compatibility: the speaker ring fits most 6.5 inch speakers. for Seat Mii 2011 (front doors, rear doors) for Seat Arosa 1997-2004 (front doors) for Seat Cordoba 2002-2008 (front doors, rear doors) for Seat Altea 2004-2015 (front doors, rear doors) for Seat Ibiza (6J) from 2008 (rear side fairing) for Seat Ateca from 2016 (front doors, rear doors) without Seat Soudsystem for Seat Leon 1999-2006 (front doors, rear doors) Installation Steps:Speaker mounting bracket ring installed on the car audio system, utilizing existing vehicle mounting points without cutting or drilling.Package Content:2 Set Subwoofer Speaker SpacerAttribute:This product is a speaker mount recessed bezel spacer and without internal speaker ring.Kindly Know:Please ensure this part is suitable for your vehicle before purchasing.