MB Quart 90 Watt 6.5" X-Line Series 2-Way Component Car Speakers XC1-216 180 Watts Max, 90 Watts RMS Upgraded 0.75" (20mm) Pure Titanium Dome tweeter Mounting Depth: 2.4" Mica-filled PP Cone Mated to UV Butyl Surround 4 Ohms Impedance