Review on Guzare 6.5 Inch Waterproof Boat Marine Speakers with 240 Watts - Ideal for ATV UTV Yacht Bathroom SPA Golf Cart GS065W by Marcelo Montalvo

To save others time buying and returning. These speakers require a minimum cutout of 5.25" and the mounting circumference is listed as 5", but the mounting diameter is 5.25" instead of 5". It's fine if you can enlarge an existing opening, but if you need to boat like me, in most cases this is impossible as the boat's design doesn't allow for enlargement. Unfortunately, the design of these products lacks precision. and many of the speakers produced are larger than advertised.