Gunwale Mount Speaker Part Number: MA-9020 Mount these full-sized speakers out of the way under the gunwale, where they"re protected from the elements, yet close enough to deliver rich, full sound. The molded, one-piece plastic grill protects the speaker components from splash and spray. The two-way vented port design offers full range response. Peak power 200 watts /pair. Specifications Frequency Response: 55Hz to 20KHz (2 way) SPL: 86dB Peak Power: 200W/pair Speaker Impedance: 4 ohm Weight (each): 3.90 lbs per Speaker Overall Dimension: 10-7⁄16" x 6" x 5-5⁄16" (265mm x 152mm x 135mm) Cone Size: 5" (127mm)