Memphis Audio 15PRX6C / 15-PRX6C / 15-PRX6C Power Reference 6.5 Full Range Speakers Polypropylene Cone with Integrated Phase Plug. Sensitve enough for maximum output with minimal distortion. Polyurethane Surround. Responsive and durable to perform well in any application. Separate Poly Dome Tweeter. For mounting in a wide variety of locations. Separate Crossover. Maximum accuracy and sound quality. RMS / Peak: 50W / 100W | Sensitivity: 88dB | Magnet Size: 10oz | Mounting Depth: 2.5"