Garmin designed 500 watt dual beam transducer replaces the one included with the echo series fishfinder.

A 500 W 4-pin transducer with an operating frequency of 77 to 200 kHz and a beamwidth of 45 to 15 degrees. Mounts on a 0 to 70 degree transom. When using with a 6-pin Garmin sounder, transducer adapter cable part number 010-11614-00 is required. When using with the echoMAP 50s/70s, transducer adapter cable part number 010-11948-00 is required.

Compatible with Garmin models; echo 101, echo 151, echo 151dv, echo 201, echo 201dv, echo 301c, echo 301dv, echo 501c, echo 550c, echo 551c, echo 551dv, Fishfinder 350c.