Yacht speakers

In this Yacht sundeck there was a need for a subwoofer to complete the surround system. the only possible location was under the sofa, while no shelf product was suitable.
This speakers has to be fully ocean proof, and long lasting in the difficult marine state, and off-course - demanding in its sound production.
they are build out of marine plywood in an acoustic chamber design where the component is hidden inside the chamber. It is all coated with water proof fiber glass, and installed delicately yet firmly into its place, with an esthetic port finish. 

Amplifier: 400w R.M.S Hypex Class D
Frequency response: 28-200 Hz + 3db