Fishfinder 300C

Part Number: 010-00682-01


The Fishfinder 300C colour sounder represents excellent value for recreational anglers who fish in coastal waters and freshwater lakes.

See Fish in Bright Color

The 300C has a super-bright, high-resolution 3.5" (8.89 cm) QVGA colour display with an easy-to-use menu, plus Ultrascroll® for detailed screen updates at fast speeds. This fishfinder comes with a Dual Beam transducer, which provides excellent coverage in shallow waters.

Benefit from High Performance Sonar

The Fishfinder 300C features the high-performance sonar receiver found in most of the Garmin marine line-up.

Other Features

  • Power output: 150 watts (RMS) 1,200 watts (peak to peak)
  • Auto Gain setting adjusts sonar sensitivity automatically
  • See-Thru® technology shows weak and strong returns simultaneously
  • Round flasher display mode
  • Whiteline shows you how thick the bottom is
  • 2X and 4X automatic and manual zoom
  • Battery voltage indicator
  • Single NMEA-0183 output
  • Optional paddlewheel transducer for boat speed


Physical & Performance

Physical dimensions 11.4 x 11.4 x 6.1 cm (4.5" x 4.5" x 2.4")
Display size, WxH 5.3 x 7.1 cm, 8.9 cm diagonal (2.1" x 2.8", 3.5" diagonal)
Display resolution, WxH 240 x 320 pixels
Display type QVGA
Weight 272 g (9.6 oz)
Water rating IPX7
Audible alarms

Sonar Features & Specifications

Dual-beam (77/200 kHz) sonar capable
Frequencies supported 80/200 kHz (dual beam)
Transmit power Dual Beam, 150 W (RMS), 1,200 Watts (peak to peak)
Maximum depth 900 ft (dual beam)
Bottom lock (shows return from the bottom up)
Water temperature log and graph

Fishfinder Features

Split-screen zoom
Ultrascroll® (displays fish targets at higher boat speeds)
Fish Symbol ID (helps identify fish targets)
AutoGain Technology (minimizes clutter, maximizes targets)
Whiteline (indicates hard or soft bottom)
Adjustable depth line (measures depth of underwater objects)
Water temperature sensor included
Water speed capable (displays speed on water)

In the Box

  • Fishfinder 300C
  • Transom/trolling mount transducer (dual beam)
  • 6 ft (1.83 m) power/data cable
  • Bail mounting bracket
  • Flush mount hardware
  • Quick start manual


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