Cadence CVLS553, 5.25" (13cm) 3-Way Triax-Component System, CVL Series 75W RMS 150W MAX Impedancy: 4 Ohm Frequency Response: 70Hz - 28kHz 40oz. Magnet Efficiency: 95dB @ 1w/1m 2 External Adjustable Frequency Cross Overs Lightweight Injection Mold Cones PEI Rubber Surround Flush Angle or Surface Mount of Silk Dome Tweeters Black Matted Finish Depth: 2 1/2"