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Garmin Fishfinder 400C (FF400C) with Dual Beam Transducer (Freshwater)

Garmin Fishfinder 400C (FF400C) with Dual Beam Transducer (Freshwater)

Availability: DISCONTINUED
Product Code: 010-00510-04



  • Colour sonar option suitable for freshwater lakes
  • Includes dual beam transducer
  • Features Ultrascroll™ for fast screen updates
  • See-Thru® technology separates fish from thermoclines and structures
  • Bright, sunlight-readable 4" 256 colour QVGA colour display
  • Maximum depth: 900 feet
  • 240 X 320 pixel display
  • 400 watts (RMS) 3,200 watts (peak to peak) power
  • Auto Gain with Dynacolor® which adjusts sonar sensitivity automatically
  • A-scope round flasher display mode
  • Frequency: 80/200 kHz; Cone angle (45°/15°)
  • Interface Inputs/Outputs: NMEA, CANet® compatible (for sharing sonar information with chartplotters)
  • Size: 14.5 x 12.7 x 7.4 cm

Product Screen Shots


Package Includes

  • Fishfinder 400C
  • Dual beam transducer
  • Protective cover
  • Single knob tilt mount
  • 6' Power cable
  • Owner manual

Package Details

The Fishfinder 400C colour sounder with dual beam transducer is perfect for freshwater fish finding.

If you need accessories for the Fishfinder 400C please call us on 01-293 6987.

Technical Details

Physical & Performance:

Unit dimensions, WxHxD: 14.5 x 12.7 x 7.4 cm (5.7" x 5.0" x 2.9")
Display size, WxH: 6.5 x 8.5 cm (2.6" x 3.3")
Display resolution, WxH: 240 x 320 pixels
Display type: QVGA
Weight: 499 g (17.6 oz.)
Waterproof: yes (IPX7)


CANet® compatible: yes
Audible alarms: yes
Dual-frequency sonar capable: yes, (dual frequency transducer is an optional extra)
Dual-beam sonar capable : yes
Split-screen zoom: yes
Ultrascroll™ (displays fish targets at higher boat speeds): yes
See-thru® technology (exposes fish hidden in cover): yes
Fish Symbol ID (helps identify fish targets): yes
AutoGain Technology (minimizes clutter, maximizes targets): yes
Whiteline (indicates hard or soft bottom): yes
Adjustable depth line (measures depth of underwater objects): yes
A-scope (real time display of fish passing through transducer beam): yes
Bottom lock (shows return from the bottom up): yes
Water temperature log and graph: yes
Water temperature sensor included: no
Water speed capable (displays speed on water): yes


Frequency: 80/200 kHz
Transmit power: Dual Beam, 400 Watts (RMS), 3,200 Watts (peak to peak)
Voltage range: 10-35 VDC
Maximum depth: 900 ft
Cone angle: 45º/15º