Ibra

I’m looking for an advice where can I buy this of plz

Hey everyone I’ve done something very silly “ not the first time “ I tried to instal a subwoofer I didn’t disconnect the battery while doing that “ 😶 “ apparently fuse box tray needs to be replaced as a result ..managed to work my way around and start the car after it’s been dead .engine light came on , ABS and hand brake lights on it’s like Xmas tree out here in my dashboard anyone know if mk4 fit in and any websites I should look at thanks in advance