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The couplers connect to the corresponding T-connectors and backbone cables
Length: Approx
Part Number: 740156-1 (IDMK H5)
🚨 ADAPTER REQUIRED FOR HELIX: If you are connecting this cable to ANY HELIX model (or legacy 700-1100 series units)
Humminbird XI 9 1521 Dual Spectrum CHIRP Ice Transducer Battery The couplers connect to theGet the crispest target separation possible with the official Humminbird XI 9 1521 Dual Spectrum CHIRP Transducer. Unlike older single frequency pucks, this CHIRP transducer scans across a range of frequencies (High & Wide) to show you fish separation that other units miss. Designed specifically for the modern Helix CHIRP Series (G2, G3, and G4), this transducer unlocks the full "Ice Mode" potential of your head unit. WHICH ONE DO I NEED? This is the