Thank you! The radio plus a little Boss 500 watt amp is quite load, definitely enough to be heard over the motor. I doubt it's a true 500 watts but good enough for a duck boat. Here ya go. https://www.amazon.com/gp/product/B00KMOMWX2/ref=oh_aui_detailpage_o06_s03?ie=UTF8&psc=1 Thank you! Thanks and will do!