Crossover
3rd order electro-acoustic at 2.4 kHz (tweeter/mid), 3rd order @ 400 Hz (mid/front bass), 2nd order @ 200 Hz (rear bass)
High Frequency Driver
1" (25mm) Truextent® Beryllium dome, ferro-fluid damped / cooled, Perforated Phase-Aligning (PPA™) Tweeter Lens, Finite Element Analysis (FEA) optimized pole piece assembly
Low Frequency Driver
Four 8-1/2" (215 mm) ultra-high-excursion X-PAL™ drivers with Differential Drive motor, overmolded Active Ridge Technology (ART™) surrounds, SHOCK-MOUNT™ Isolation Mounting System, 1.5" high-temp dual voice coil
Midrange Frequency Driver
7" (178mm) Truextent® Beryllium driver with Inverse Differential Drive Neodymium motor, Perforated Phase-Aligning (PPA™) Lens, SHOCK-MOUNT™ Isolation Mounting System, 1.5" high-temp voice coil