Employing an all-weather polypropylene cone and rubber surround ensuring extended service life when used either for indoor or outdoor applications. Extremely compact it is well suited to confined areas. The C 0840 is an excellent choice for mounting in boats, alfresco areas, bathrooms, under eaves etc. Installation is made very simple by the in-built swivel clamps. Suits ceilings or walls up to 29mm thick. Sold in pairs. Ceiling or panel cut out required 143Ømm. IP65 rated for outdoor use. Great for boats, yachts, outdoor areas etc. Features aluminium grill & stainless steel fixings. Specifications Impedance 4Ω Rated power 10W RMS Max power 30W SPL 1W @ 1m 88dB Freq response 65Hz - 17kHz Weight 685g Mounting hole size (mm) 143Ø Dimensions (mm) 150Ø x 68D Warranty Shop with confidence, this item comes with 1 Year WARRANTY