Garmin GT50M-TH – Stainless Steel Thru-Hull Traditional 300W Transducer

This thru-hull transducer provides ultra-clear sonar pictures of objects, structure and fish that pass below your boat. This traditional CHIRP sonar and CHIRP DownVü/SideVü transducer is optimized for clearer images at shallower depths.

The CHIRP DownVü/ SideVü elements have a power rating of 500 W per element (1,500 W total) and operating frequencies of 455/800 kHz. The traditional CHIRP sonar has a power rating of 300 W and operating frequencies of mid-band CHIRP 80-160 kHz. It includes a built-in fast-response temperature sensor.  For hull deadrises less than 5 degrees.

GT50M-TH includes a 12-pin transducer with stainless steel stem, fairing block, isolation plate and bushings, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.

GT50M-TH Phyiscal and Dimension Specifications
Weight Cable length Number of pins on connector Dimensions (Transducer) Dimensions (Thru-hull Stem) Dimensions (Thru-hull fairing block)
9.41 kg
(4.27 lbs)
5 ft + 30 ft ext. 12 22.8 x 6.2 x 3.0 cm
(9.0 x 2.5 x 1.2 in)
Ø2.4 x 13.5 cm
(Ø1.0 x 5.3 in)
32.3 x 11.6 x 6.4 cm
(12.7 x 4.6 x 2.5 in)
GT50M-TH Specifications
Frequency Transmit power Max Depth Beam Width (Traditional)
(°) LF/HF (-3dB)
Traditional: CHIRP 85-165 kHz Traditional: 300 W Traditional: 1500 ft Traditional: 26-15
DownVü: CHIRP 425-485 kHz and CHIRP 790-850 kHz DownVü: 500 W DownVü: 750 ft DownVü:
SideVü: CHIRP 425-485 kHz and CHIRP 790-850 kHz SideVü: 500 W SideVü: 500 ft SideVü:
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Garmin GT50M-TH Stainless Steel Thru-Hull DownVü/SideVü 500W (CHIRP 455/800 kHz) Traditi
Price: $ 799.99

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