JBL 6.5″ Marine Speakers, Part No. JBLMS65B 6.5″ Speakers Black GR. 2

2-Way Speakers.  Power Handling: Peak: 450 watts per pair / 225 watts each RMS: 150 watts per pair / 75 watts each. Rubber Surround.  Bridge Mounted Weather Resistant Balanced Dome Tweeters.  One Piece Polymer Basket.  Color: Black.  Rubber magnet boot cover.  CEA-2031 compliant speakers.  IPx5 Rated Marine Grade Materials.  Top-mount Depth: 2-13/16″.  Cutout Dimensions: 5-1/16″.  4 Ohms impedance.  Frequency Response: 50-20,000 Hz. Sensitivity: 92dB.