Speaker assembly
HP ProBook 4230s Notebook PC
HP ProBook 4420s Notebook PC
HP ProBook 4321s Notebook PC
HP ProBook 4325s Notebook PC
HP ProBook 4326s Notebook PC
HP ProBook 4425s Notebook PC
HP ProBook 6540b Notebook PC
HP ProBook 4230s Notebook PC
HP ProBook 4420s Notebook PC
HP ProBook 4321s Notebook PC
HP ProBook 4325s Notebook PC
HP ProBook 4326s Notebook PC
HP ProBook 4425s Notebook PC
HP ProBook 6540b Notebook PC