Klipsch Sub-12HG Synergy Series 12-Inch 300-Watt Subwoofer with High Gloss Trim (Black) : Electronics
JL AUDIO M7-12IB-S-GwGw-i-4 12" Marine Subwoofer Driver with Transflective™ LED Lighting, Gloss White Trim Ring, Gloss White Sport Grille | West Marine
Yamaha "Subwoofer trim" function ... what's it really do, Yamaha? ;) | Home Theater Forum
Car Audio Sub Subwoofer 3/4 Inch MDF 10 Box Trim Ring Extension Spacer Brand New | eBay
Custom Subwoofer Baffle Trim Ring - CarAudioFabrication Building Better - YouTube
Audio Upgrade Kit For Bmw G30 5 Series Midrange Tweeter Subwoofer Hifi Music Stereo Horn Led Illuminate Speaker Cover Trim Refit - Multi-tone & Claxon Horns - AliExpress
Rockford PUNCH Series P1S412 ※ Parallel Imports Trim Ring Sticky Yes | Sub Woofer Speakers | Croooober