Marine speakerssuitable for installation on any type of boat. Resist without any problem to corrosion by salt water, even after installation the color remains unchanged, without undergoing mutations due to atmospheric agents. led light with remote control. SUB-WOOFER single speaker, max. 800 W (400W RMS), 4 ohm impedance, frequency response 44hz. Dim. mm. 268, mm diameter hole. 238 prof. mm. 116