Function: 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.Specification: Material: ABS Fit for Speaker Dia: 6“x9" Depth: 23mm / 0.91" Inner Diameter 1: 231mm / 9.09" Inner Diameter 2: 158mm / 6.22" External Diameter 1: 268mm / 10.55" External Diameter 2: 224mm / 8.82" Appropriate for: The speaker ring fits most 6x9 inch speakers. for Toyota Tundra 2007-2021 for Toyota Tacoma 2005-2022 for Toyota Sequoia 2007-2022 for Toyota 4Runner 2003-2009 for Toyota FJ Cruiser 2007-2014 for Toyota Venza 2009-2015 for Toyota Camry 2002-2011 for Toyota Solara 2004-2008 for Toyota Avalon 2005-2012 for Lexus RX350 2007-2015 for Lexus RX450h 2010-2015 for Lexus RX330 2004-2006 for Lexus RX400h 2006-2008 for Lexus ES350 2007-2012 for Lexus GX470 2003-2009 Installation Instructions:Speaker mounting bracket ring installed on the car audio system, utilizing existing vehicle mounting points without cutting or drilling.Item List:2 Pcs Subwoofer Speaker Spacer