Description These FOUR BOSS MR6B 6.5″ 360W Dual Cone Black Marine Audio Speakers can handle 180 Watts of MAX Power per pair and 360 Watt per 2 Pair (90 Watts per speaker). They feature a Kapton Voice Coil, a Poly Carbon Cone, and a mounting depth of 2.1875-inches. These BOSS MR6B 6.5″ 180W Dual Cone Black Marine Audio Speakers are perfect for outdoor and Marine use! BOSS MR6B 6.5″ 360W Dual Cone Black Marine Audio Speakers Total Power: 180 Watts per pair (360 Watts per 2 Pair) Size: 6.5″ 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″ Quantity in the Box: 2 Weight:12 Lbs Condition: BRAND NEW! Part Number: MR6B Warranty 3 Year Authorized Platinum Online Dealer Warranty 1 year factory plus 2 years extended from Boss Audio when purchased from VMInnovations