OEM Mazda audio amplifier / power amp. Part number BDTS-66-A20D / BDTS66A20D. Fits select 2019-2023 Mazda 3 and 2021-2023 Mazda CX-30 models with 8-speaker non-Bose audio system. Without turbo / Mexico built applications. Please match part number and compare connectors before purchase. Buyer is responsible for confirming compatibility before purchase. Please match part number, connectors, photos and vehicle options with your original part.