Raymarine M260 1kW In-Hull [A66089]M260 In hull The M260 is our high performance in hull model for 300 W 1 kW echosounders. Its construction utilizes separate 50 kHz and 200 kHz elements for excellent deep water performance and exceptional bottom and water column detail. The M260s narrow beam provides crisp image detail especially suited for fishing shelves, intricate bottom structures and wrecks. In hull mounting eliminates cavitation and turbulence under the transducers face