The MB1100 is a matching box for Furuno LCD sounders. It is used to connect a dual-frequency transducer to an appropriate Furuno LCD sounder. The MB1100 comes with a 10-pin connector already supplied, and so does not require the use of a separate pigtail cable assembly.
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
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![Furuno Transducer Matching Box w/10 Pin Connector [MB1100]](http://www.essentialmarineservices.com/cdn/shop/files/28150XL.jpg?v=1702328167&width=1445)