BMS 4544 is a powerful 1" professional compression driver that delivers excellent sonic quality in a small package. The BMS exclusive voice coil technology employs light weigh Cooper Clad Aluminium wire wound inside and outside of the Kapton former to improve the heat dissipation. This technology dramatically increase the acoustic output and reliability of the drive and minimizes the power compression. The BMS 4544 - 1" compression driver is designed wide variety of applications in high quality professional reinforcement systems and stage monitors.