955 645 301 07 · Amplifiers Porsche genuine (OEM) part number 955 645 301 07, Amplifiers. Fitted on (2)BOOSTER — pos 3 · PR:8DV,9VL (KAT1024.BIN)BOOSTER — pos 3 · PR:9VL (KAT1031.BIN) Open the interactive exploded diagram →