Amazon.com: PAC AOEM-MAZ2 Interface That Allows Replacement or Addition of an Amplifier in Select Mazda Vehicles Without a Factory Bose Sound System : Everything Else
Possible to install BOSE subwoofer in non equiped model? If so how? : r/mazda3
Install Bose Sub on CX-3 | Mazda CX-3 Forum
MAZDA 6 BOSE SUBWOOFER | eBay
BOSE - Mazda 6 subwoofer active, how to connect to RCA cable
Installed my Subwoofer into 2014 SkyActiv w/ Bose | 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums