DSM300G Digital Sounder Module features dual frequency 50KHz and 200KHz. Operation power is 1000 Watt. It is waterproof to IPX-7 and designed to be mounted either above or below deck.
The Bottom Lock feature of the DSM300 Digital Sounder helps you to detect fish that are close to sea bottom by showing it as a straight white line and removing wave action from the fishfinder image.
The DSM300G zoom display can be set as auto or manual with fishfinder screen image of X2, X4 or X6 magnification. It's designed for a 12 or 24V DC systems and can be combined with a variety of transducers, in-hull, thru-hall or transom mount.
Working fine when last used but happy to take returns for 60 days if there are any problems. Some cabling may be available on request. Requires SeaTalkHS network hub for E-series and G-series MFD, or connects via hsb2 for C-series and Pathfinder displays.