The EM Acoustics DU-1802 (01A022) is a genuine 18” replacement low-frequency drive unit developed specifically for S-18, ST-218, MSE-218 and EMS-118 loudspeaker systems. Manufactured to original factory specifications, it ensures the correct performance, reliability and tonal balance when servicing or maintaining EM Acoustics subwoofer systems.
The DU-1802 features a high-power 18” cone with a precision motor assembly, delivering the correct low-frequency extension, sensitivity and power handling required to meet original system design parameters. Using an official EM Acoustics replacement driver guarantees accurate mechanical fit, electrical compatibility and long-term durability, helping to preserve system integrity and protect associated amplification and DSP settings.