PYLE PLDV42 4-Inch 200 Watt Two-Way Speaker One Pair 4'' Two-Way Coaxial Speaker Systems Power Handing: 100 Watts RMS 200 Watts MAX Non-Fatiguing Butyl Rubber Surround 1'' High Temperature ASV Voice Coil Standard 4'' Size OEM Locations Poly Injection Cone 15 Oz Magnet Structure Rubber Magnet Cover 1/2'' Neodymium Dome Tweeter Impedance: 4 Ohm Sensitivity: 88 dB Frequency Response: 100Hz  20KHz Includes Grills, Wires and Mounting Hardware Mounting Depth: 2.10"" Sold as : Pair One Pair 4'' Two-Way Coaxial Speaker Systems - Poly Injection Cone - Sensitivity: 88 dB Power Handing: 100 Watts RMS 200 Watts MAX - 15 Oz Magnet Structure - Frequency Response: 100Hz  20KHz Non-Fatiguing Butyl Rubber Surround - Rubber Magnet Cover - Includes Grills, Wires and Mounting Hardware 1'' High Temperature ASV Voice Coil - 1/2'' Neodymium Dome Tweeter - Mounting Depth: 2.10" Standard 4'' Size OEM Locations - Impedance: 4 Ohm