Garmin CHIRP Transducers
Garmin makes a wide range of CHIRP transducers designed to be used with its fishfinder displays. Both single-band and dual-band models are available.
These transducers use either a blue 8-pin connector or an orange 12-pin connector. Garmin CHIRP transducers are not for use with non-Garmin equipment.
Garmin makes three types of CHIRP transducer : standard CHIRP models that operate in the Low, Medium or High frequency bands; DownVü CHIRP transducers; and SideVü CHIRP transducers. Some transducers combine two or more of these functions.
Click to download the complete Garmin Transducer Guide or view the Garmin Transducers page.
GT8HW-IF
A wide-beam CHIRP transducer optimized for ice fishing, operating in the High band. 4-pin connector.
GT8HW-IH
An wide-beam, in-hull CHIRP transducer for bass boats, operating in the High band. Blue 8-pin connector.
GT8HW-TM
A wide-beam CHIRP transducer for transom or trolling motor mounting, operating in the High band. Blue 8-pin connector.
GT15M-TM
A transom-mounted CHIRP transducer operating in the Medium band. Blue 8-pin connector.
GT15M-IH
An in-hull standard CHIRP transducer operating in the Medium band. Blue 8-pin connector.
GT20-TM
A transom-mount DownVü CHIRP transducer, plus conventional 77/200kHz operation. Blue 8-pin connector.
GT21-TH
A thru-hull DownVü CHIRP transducer, plus conventional 50/200kHz operation. Blue 8-pin connector.
GT21-TM
A transom-mount DownVü CHIRP transducer, plus 50/200kHz operation. Blue 8-pin connector.
GT22HW-TM
A transom-mount DownVü CHIRP transducer, plus standard CHIRP High band. Blue 8-pin connector.
GT52HW-TM
A transom-mount combined DownVü CHIRP and SideVü CHIRP transducer, plus standard CHIRP High band. Orange 12-pin connector.
CHIRP Marine is an independent source of information about CHIRP technology in transducers, sounders and fishfinders.
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