The EM Acoustics DU-1001 is a genuine 10" replacement drive unit, specifically designed for the EM Acoustics M-10 loudspeaker. Engineered to original specifications, it delivers the same punchy low-frequency response and detailed midrange that the M-10 is known for. Perfect for maintenance or refurbishment, the DU-1001 ensures consistent performance, reliability, and seamless sonic integration—restoring your M-10 to peak condition for both touring and fixed installations.