ADAPTER FOR LEGACY CONNECTIONS – Enables an Airmar XID CHIRP transducer with a 9‑pin black connector to connect to older Lowrance sonar modules with 7‑pin blue ports DESIGNED FOR AIRMAR XID TRANSDUCERS – Specifically intended for use with Airmar 9‑pin XID CHIRP transducers when connecting to Lowrance displays or sonar modules with a legacy 7‑pin blue connector (including HDS Gen1–Gen3, LMS, and LCX series) OEM LOWRANCE ACCESSORY – Manufactured by Lowrance to ensure proper fit and electrical compatibility between transducers and legacy displays SIMPLE PLUG‑AND‑PLAY DESIGN – Connects directly without the need for modification or additional tools MARINE‑GRADE CONSTRUCTION – Built for use in marine environments with durable materials suitable for onboard electronics installations