The EM Acoustics DU-1505 (01A021) is a genuine 15” replacement low-frequency drive unit designed specifically for use in EMS-159, EMS-156, MSE-156 and MSE-159 loudspeaker systems. Manufactured to the same exacting standards as the original factory-fitted component, it ensures restored performance, reliability and tonal consistency when servicing or maintaining EM Acoustics systems.
Built around a high-power 15” cone with precision motor assembly, the DU-1505 delivers the correct low-frequency response, sensitivity and power handling required to meet original system specifications. Using an official EM Acoustics replacement driver guarantees correct mechanical fit, electrical compatibility and long-term reliability, helping to maintain system integrity and protect associated amplification and DSP settings.