The product is a genuine OEM Bose audio system stereo amplifier specifically designed for the 2014-2017-2018 Mazda 3. Manufactured by Mazda and Bose in Mexico, the amplifier is identified by the manufacturer part number BHP5 66 A20. This component is essential for enhancing the in-car entertainment experience with high-quality sound performance, making it a valuable addition for those looking to upgrade their car's audio system.