High quality, waterproof speaker is polypropene cone resistant to salt water. Suitable for indoors and outdoors. Output power: 40 W, RMS 20 W, frequency 100-20.000 Hz, sensibility: 90 dB, seawater- and UV-resistant. Dimensions: Front diameter 104 mm, Recess hole: 73 mm, Speaker depth: 63,5 mm, Recess depth. 38,5 mm.