The Audi TT Bose Coupe Amplifier Amp MK1 00-06 OEM 8N8 035 223 is a genuine OEM part manufactured in Germany by Audi. It is specifically designed for the Audi TT model years 2000-2006 and is a direct replacement for the original amplifier. This amplifier comes with the manufacturer part number 8N8 035 223 and is guaranteed to provide high-quality sound and performance for your in-car entertainment system