Garmin Fishfinder 400C with Dual Frequency Transducer (Refurbished)
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Product Information for Garmin Fishfinder 400C with Dual Frequency Transducer (Refurbished)

Highlights for Garmin Fishfinder 400C with Dual Frequency Transducer (Refurbished)

General Information

A-scope, split-screen zoom, color display, 240 x 320 pixels, adjustable depth line, bottom lock, Ultrascroll, Auto Gain. The versatile Fishfinder 400C has a super bright, high resolution 4-inch display and is great for finding fish in both freshwater and saltwater. The 400C is available with a choice of dual beam or dual frequency transducers, so it's readily adaptable for both freshwater and saltwater fishing. The 400 watt (RMS) dual beam version offers a wide fish-finding cone and reaches depths of 900 feet. With the 500 watt (RMS) dual frequency transducer, you can reach a depth of 1,500 feet. Fishfinder 400C features a crisp, ultra-bright 4" QVGA color display, plus UltraScroll for screen updates at live-action speeds. It's also CANet-compatible, so you can share sonar information with plotters located elsewhere in your boat. Includes Fishfinder 400C, Dual beam or dual frequency transducer, Mounting bracket, Power/data cable, Protective cover, Owner's manual.

Item Weight: 4 lbs.
UPC: 753759063818

Physical & Performance:

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


  • Audible alarms: yes
  • Dual-frequency sonar capable: yes
  • Dual-beam sonar capable : yes
  • Split-screen zoom: yes
  • Ultrascroll™ (displays fish targets at higher boat speeds): 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

Other Features:

  • Frequency: 50/200 kHz (dual frequency), 80/200 kHz (dual beam)
  • Transmit power: Dual Frequency: 500 Watts (RMS), 4,000 Watts (peak to peak); Dual Beam, 400 Watts (RMS), 3,200 Watts (peak to peak)
  • Voltage range: 10-35 VDC
  • Maximum depth: 1,500 ft (dual frequency), 900 ft (dual beam)
  • Cone angle: 45º/10º (dual frequency), 45º/15º (dual beam)