Hertz Mille Pro MPS 250 S2 Sub 10" 25cm Shallow Car Subwoofer 2 Ohm 500w RMSMPS 250 S2 2 Ohm Single Voice Coil Mille PRO shallow subwoofers have been designed to achieve exceptional performance even when there is very little space available to install the subwoofer box. Extreme dynamics, unlimited power handling, realistic sound stage Mille PRO Shallow Subwoofer MPS 250 is optimized to work in ultra compact sealed boxes starting from only 14 Lt (0. 49 Cf). A typical example is a subwoofer enclosure under the rear bench of