Bundle of 2 pairs (4 speakers). 6.5” Coaxial 2-Way Marine Speaker with White Grilles, The SPS-M601W are 6.5” coaxial 2-way marine speakers that keep the music playing even in the harsh sun and surf found in the marine environment. White Color CTA-2031 Speaker Rating: 35W RMS, 110W Peak Power Nominal impedance: 4 Ohm Frequency response: 50Hz – 20kHz 89 dB Sensitivity Water resistant design, rated at IPX5 UV resistant grilles, rated at ASTM D4329 Salt spray and fog resistant, rated at ASTM B117 Improve the output and sound quality of your vehicle with these highly efficient speaker choices High efficiency design runs easily off of factory or built-in head unit power for an easy system upgrade