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The PD525S is a high power low frequency loudspeaker comprised of two 380 mm (15 in) dual coil - dual gap differential drive low frequency drivers in a front-loaded, vented configuration. The trapezoidal cabinet is fitted with M10 threaded suspension points.
Two high power 380 mm (15 in) low frequency drivers
Low frequency extension to 40 Hz
Enclosure dimensions compatible with all PD500 series models