- High-efficiency polypropylene woofer cones - This lightweight and popular material is used to ensure maximum woofer efficiency. The benefit is high output with modest amplifier power.
- Large-roll rubber surrounds - This material provides optimum cone-edge suspension and absorbs distortions that may travel up the cone edge, ensuring clean, tight bass.
- Unique In-board Motor Structure - This unique topology reduces the overall mounting depth of the subwoofer. Unlike competing reduced depth subwoofers that only work in vented boxes, the Infinity 1252w works great in both vented and small sealed enclosures.
- Vented polepieces - Provides additional cooling of the motor structure is provided. The subwoofer's thermal capablities are augmented, thus increasing power handling. | 
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