Power Acoustik XP-4103K 4-Inch x 10-Inch Two-Way Full Range Speaker Speakers Coaxial Speakers 270 watts of music power for full range speakers with three year warranty Poly propylene injected cones Butyl Rubber surrounds 270 watts of music power for full range speakers with three year warranty Poly propyleene injected cones Butyl Rubber surrounds 3-Ohm Impedance Chrome Back Plate