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: 89dB
Treated Poly Carbon cone material
Durable Cloth speaker surround
Dual cone design for high frequency reproduction
Kapton high-temperature voice coil
Hard plastic magnet boot cover
4 ohms impedance
Frequency response: 80-20,000 Hz
Top-mount depth: 2-3/16";