The Boss MR6W 6.5" marine speakers features a MAX power handling of 180 watts (360W per 4-pack) with a poly carbon cone and a cloth surround. These speakers have a mounting depth of 2.1875" and a frequency response of 80 Hz to 20 Hz. Enjoy your sound during the rain or shine with the Boss MR6W 6.5" marine speakers.1 buy = 4 speakers | Boss Audio | | MR6W 6.5" 360W Dual Cone Marine/Boat Speakers Stereo, (4 Pack | White | Best Buy