7.7 Inch Round Marine Coaxial Speaker; 100 Watts RMS Continuous Power Handling; 4 OHMS Nominal Impedance; 45 Hz Through 25 kHz Frequency Response; 91 Decibel System Efficiency; Mica-Filled Polypropylene; 3.32 Inch Mounting Depth; Gray Metallic Trim Ring/ Titanium Sport Grille; Set Of 2; With Mounting Hardware