These 6 Boss Audio MR6B 6.5-Inch 180-Watt Dual Cone Black Marine Audio Speakers can handle 180 watts of max power per pair (90 Watts per speaker). It features a Kapton Voice Coil, a poly carbon cone, and a mounting depth of 2.19-inches. The Boss Audio MR6B 6.5-inch 180-Watt Dual Cone Black Marine Audio Speakers are perfect for outdoor and Marine use. With 3 pairs, you can have all the tunes your heart and ears desire.