Description 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. Total Power: 180 Watts Size: 6.5 inches Voice Coil Material: Kapton Cone Material: Poly CARBON Surround Material: Cloth Specifications: Frequency Response: 80 Hz to 20 Hz Total Power: 180 Watts SPL (1 Watt / 1 Meter): 89 dB Mounting Hole Depth: 2.1875 inches Quantity in the Box: 2 Weight: 6.Lbs Part Number: MR6B Quantity: 6 Warranty 3 Year Authorized Platinum Online Dealer Warranty 1 year factory plus 2 years extended from Boss Audio when purchased from VMInnovations