Research has often called for studies that attempt to explain the complex causal chain known as the “black box” between human resource management (HRM) activities and individual-level outcomes. To explore the dynamics within the “black box,” this study investigates the influence of HRM activities (e.g., practices and processes) on individual-level outcomes, taking into consideration psychological empowerment as a mediating mechanism. Furthermore, to investigate how HRM activities affect individual-level outcomes, one must consider how HRM activities interrelate to create synergistic effects. Subsequently, this research contributes to the literature of strategic HRM research by investigating how and why systems of HRM activities influence individual-level outcomes.