Boss Audio Marine black 6.5" dual cone (PAIR) 180 watts

6.5"; Dual Cone Marine Series Coaxial Car and Boat Speakers (Black)Power Handling: 180 watts RMS: 40 watts Sensitivity: 89dBTreated Poly Carbon cone materialDurable Cloth speaker surroundDual cone design for high frequency reproductionKapton high-temperature voice coilHard plastic magnet boot cover4 ohms impedanceFrequency response: 80-20,000 HzTop-mount depth: 2-3/16";