Primarily, the dual voice coil REF1252W offers a selectable impedance of 2 or 8 ohms, versus the single voice coil REF1250W’s static 2 ohms. The REF1252W, however, features the REF1250W’s nominal power handling of 300w, peak power handling of 1200w, frequency response of 23Hz-400Hz, and sensitivity @ 2.83V/1m of 93dB. The REF1252W also includes vented polepieces that provide additional cooling of the motor structure, a “unique” in-board motor structure that reduces overall mounting depth, and large-roll rubber surrounds for optimized cone suspension. The Infinity REF1252W is priced at $74.99, exactly $2 over its predecessor, the REF1250W.