The Shipsonic 30 is treating effective the underwatership of about 27 - til 30 meter waterline length.In this case the 3x transducers are connected to the powerbox who excists of a switch and two power indicator lights.
The Shipsonic 30 unit includes:
The electronic amplifier/control unit.
3x transducers
Mounting ring + installation material
Standard 1x 5 meter (=16 feet) cable*
Standard 2x 10 meter (= 32 feet) cable*
Clear installation instructions
The Shipsonic 30 unit is available in:
110/220 Volt AC
12 Volt DC
Twinpower 110/220AC - 12 Volt DC