Audio dynamics 8" PCX810S4

4 Ohm 8″ (205 mm) Steel frame midrange coaxial Paper cone with cloth edge 1 1/2″ (38 mm) midrange voice coil 22oz Y35 high energy motor Bullet tweeter Gold plated terminals Polypropylene capacitor on tweeter Grills included 150 Watts RMS power handling* Sold in Pairs Fs Hz Qms Vas l Cms mm/N Mms g Rms kg/s Dia mm Sd cm² Qes Re Ω Le mH Z Ω Bl Tm Bl²/Re N²/W Qts no % SPL dB Frame Outer Diameter 8 1/2" (215mm) Grille Outer Diameter " (mm) Motor Outer Diameter 3 15/16" (100mm) Tweeter Protrusion 1/4" (7mm) Grille Protrusion " (mm) Mounting Hole Diameter 7 1/4" (183mm) Mounting Depth 3 1/2" (88mm)