Pyramid 6906GX - 6 X 9 Inch, 400 Watts Four-Way P.P. Cone Speakers 6'' x 9'' White Injected P.P. Woofer - 400 Watts + 400 Watts Rate Power - SPL: 94dB 4-Way Speaker System - 100 oz. Circuit Magnet - Mounting Depth: 3.75'' 3'' Polymer Midrange - Ferro Fluid Enhanced Voice Coil 2'' Dome Midrange - 4 Ohm Impedance .5'' Ceramic Tweeter - Frequency Response: 40-25k Hz