Power Acoustik Marine 6.5in Wake Tower Speaker - Pair Titanium. 5in x 8.5in x 9in 100percent Waterproof Enclosure and Speaker System High Density ABS Construction w/ UV Coating Steel reinforced Mounting Bracket fits most towers Braided Stainless Steel Safety Cable Included Stainless Steel Mounting Hardware Included Polypropylene speaker cone and Titanium Tweeter Quick Disconnect Compression Terminals Meets ROHS and CE Certifications 4-ohm System Impedance Sold in pairs Specifications for Power Acoustik Marine 6.5in Wake Tower Speaker - Pair: Manufacturer: Power Acoustik Length: 6.5 in Features of Power Acoustik Marine 6.5in Wake Tower Speaker - Pair: MAXPower 500w RMSPower 250w FrequencyResponse 40-20kHz Efficiency(1w/1m dB) 90dB Overall Size(HxWxL) 8.5in x 8.5in x 9in 100percent Waterproof Enclosure and Speaker System High Density ABS Construction w/ UV Coating Steel reinforced Mounting Bracket fits most towers Braided Stainless Steel Safety Cable Included Stainless Steel Mounting Hardware Included Polypropylene speaker cone and Titanium Tweeter Quick Disconnect Compression Terminals Meets ROHS and CE Certifications 4-ohm System Impedance Sold in pairs Package Contents: Power Acoustik Marine 6.5in Wake Tower Speaker - Pair Power Acoustik MWT-65T: Marine 6.5in Wake Tower Speaker - Pair Titanium