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: 1.5" Depth: 5mm / 0.2" Inner Diameter: 40mm / 1.57" External Diameter 1: 110mm / 4.33" External Diameter 2: 70mm / 2.76" Appropriate for: The speaker ring fits most 1.5 inch speakers. for Toyota Tacoma 2005-2023 for Toyota 4Runner 2003-2020 for Toyota Highlander 2008-2019 for Toyota Tundra 2007-2020 for Toyota Sienna 1998-2020 for Toyota Prius 2010-2015 for Toyota Avalon 2005-2019 for Toyota Solara 2004-2009 for Toyota Venza 2009-2015 for Toyota CHR 2018-2020 for Scion tC 2006-2008 for Scion xB iQ 2008-2015 for Scion XD 2009 for Subaru WRX 2012-2022 for Subaru Forester 2014-2018 for Subaru Crosstrek 2013-2019 for Subaru Outback 2010-2022 for Subaru Impreza 2012-2019 for Subaru Legacy 2010-2016 for Subaru SIT 2015-2018 for Lexus RX 450h 2004-2020 for Lexus RX 350 2004-2020 for Lexus CT200H 2011-2018 Item List:2 Pcs Subwoofer Speaker Spacer