Boss Audio Marine 6.5in 180W Dual Cone Loudspeaker White. 5in in. dual cone speakers (Pair) Total Power: 180 Watts Frequency Response: 80 Hz to 20 Hz Total Power: 180 Watts SPL (1 Watt / 1 Meter): 89 dB Cone Material: Poly Carbon Surround Material: Cloth Mounting Hole Depth: 2-1/8in Specifications for Boss Audio Marine 6.5in 180W Dual Cone Loudspeaker: Manufacturer: Boss Audio Color: White Additional Features: 180 Watts Features of Boss Audio Marine 6.5in 180W Dual Cone Loudspeaker: 6.5in in dual cone speakers (Pair) Total Power: 180 Watts Frequency Response: 80 Hz to 20 Hz Total Power: 180 Watts SPL (1 Watt / 1 Meter): 89 dB Cone Material: Poly Carbon Surround Material: Cloth Mounting Hole Depth: 2-1/8in Package Contents: Boss Audio Marine 6.5in 180W Dual Cone Loudspeaker Boss Audio MR6W: Marine 6.5in 180W Dual Cone Loudspeaker White