This study has examined the affect of leader-member exchange (LMX) and sense of power to employee voice behavior. Employees were required to fill up online questionnaires to measure leader-member exchange (LMX), sense of power and voice behavior. This study used a regression analysis to test the hypothesis in a sample of 232 employees. The results show that the leader-member exchange and sense of power effect employee behavior. The finding provides evidence that the higher the quality of the leader-member exchange (LMX) and a high sense of power in employees will affect the willingness of employees to give their information, ideas and inputs. Moreover, this study discusses practical implications for how employees want to speak up and suggests future research.