The adapter allows you to insert 10″ speakers into the SG-BOX.
Needed: Resident Builder To Make 12" to 10" Baffle Adapter | The Canadian Guitar Forum
Baffle Converter 12" to 10"
Vehicle Audio Speaker Adapter Grille Cover Protection For 12/10 Inch Subwoofer
Moukey Bluetooth Karaoke Machine for Adults - Outdoor Karaoke Speaker with Wireless Microphone, 12" Subwoofer, DJ Lights (RMS 200W to 650W Peak Power) - Walmart.com
Adaptor for 6" speaker pattern to 8" hole pattern | AtlasIED
Amazon.com: UpBright New 10V AC/DC Adapter Compatible with Philips Fidelio DS7700 DS7700/12 DS7700 /10 DS7700/37 Docking Speaker System 10VDC DC10V Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU :
Vehicle Audio Speaker Adapter Grille Cover Protection For 12/10 Inch Subwoofer - AliExpress Automobiles & Motorcycles
AC/DC Adapter Compatible with XtremeMac Tango X2 IPD-TX2-12 IPD-TX2-10 2.1 Xtreme Mac IPD-TAN IPD-TAN-00 IPDTAN00 Tango Audo iSystem iPod Dock Speaker 17VDC 17V -18V Power Supply Charger - Walmart.com
12" to 10" SPEAKER ADAPTOR SUBWOOFER RINGS 1” 3/4” 1/2” MDF FIBERGLASS – AK Audio
Precision Power Stage 2 MAS.654 Motorcycle Speakers + HSB200 Speaker Adapter & Optional SoundStream HDHU.9813SG Radio with Plug & Play Amplifier For 1998-2013 Harley Davidson® – Volunteer Audio
Baffle Converter 12" to 10"
Metra 82-8603 6.5" Speaker Adapter Plate for Tesla Model X & Model S 2 — The Wires Zone
12" to 10" SPEAKER ADAPTOR SUBWOOFER RINGS 1” 3/4” 1/2” MDF FIBERGLASS – AK Audio
Amazon.com: UpBright 18V AC/DC Adapter Compatible with XtremeMac Tango X2 IPD-TX2-12 IPD-TX2-10 2.1 Xtreme Mac IPD-TAN IPD-TAN-00 IPDTAN00 Audio System Dock Speaker 17V 18VDC 2.5A Power Supply Battery Charger PSU : Electronics
Bose Professional PSA-12 Stand Adapter - Black | Sweetwater