Transducers
Marine Fishfinder Transducers - CHIRP, Side Scan & Down Imaging
Professional marine transducers for fishfinders and sonar systems. Our comprehensive transducer collection features products from Simrad, Lowrance, Raymarine, Garmin, and Furuno:
- CHIRP Transducers - Crystal-clear target separation
- Side Scan Transducers - Wide-area bottom imaging
- Down Imaging Transducers - Photo-like views beneath your boat
- Through-Hull Transducers - Mount through the hull for a permanent, direct path to the water
- Transom Mount Transducers - Mount on the transom, a common choice for smaller boats
- In-Hull Transducers - No hull penetration required
Complete Sonar System: Part of our Sonar & Fishfinders collection. Essential for sonar plotters and sonar modules. Compare with depth transducers for navigation. Browse sonar accessories.
Compatibility guides
Check which transducers work with your display or sonar module before you order.
Guides
Matching a transducer to your hull
Transducer choice starts with the hull, not the electronics. A through-hull transducer needs a fairing block on a deadrise hull and gives the cleanest signal at speed, a transom mount is the simplest retrofit on smaller boats but can suffer turbulence at higher speeds, and an in-hull transducer avoids any penetration below the waterline but only works through solid GRP, never a cored or stepped hull.
Frequency and beam angle decide what you actually see on screen. Single and dual frequency units suit basic depth and fish arches, CHIRP sweeps a range of frequencies for sharper target separation, and side scan or down imaging transducers need a wider mounting area and a flatter run of hull to perform properly.
Check the connector before ordering, since many sonar modules use a proprietary plug rather than a generic one, and a transducer built for one brand's black box will not simply plug into another's.

























