Garmin Echo 100 4"  8-Level Grayscale FSTN 160 x 256 pixels Fishfinder
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Product Information for Garmin Echo 100 4" 8-Level Grayscale FSTN 160 x 256 pixels Fishfinder

Highlights for Garmin Echo 100 4" 8-Level Grayscale FSTN 160 x 256 pixels Fishfinder

See More for Your Money
Thanks to Garmin’s exclusive HD-ID target tracking technology, you’ll see enhanced separation and definition of images on echo 100’s fast refreshing, 4 in grayscale display. The single-beam (200kHz) transmitter with 100 watts (RMS) of sonar power lets you scan to depths of up to 600 ft – ample for most freshwater lakes.

Save Valuable Space
echo 100’s compact design makes it the perfect companion for even small craft. Plus, its quick-release tilt mount and versatile transom-mount transducer are included in the box to make installation a snap.


  • Garmin HD-ID technology
  • Compact design for smaller boats
  • 100 watts (RMS) transmit power
  • Depths to 600 ft
  • Beam width to 60 degrees
  • 4 in, 8-level FSTN grayscale display
  • Tilt/swivel mount, transducer, trolling motor clamp and transom mount
  • Physical & Performance:
    • Unit dimensions, WxHxD: 4.1" x 5.8" x 2.8" (10.4 x 14.7 x 7.1 cm)
    • Display size, WxH: 2.38" x 3.21" (6.04 x 8.15 cm); 4” diag, (10.16 cm)
    • Display resolution, WxH: 160 x 256 pixels
    • Display type: 8-level grayscale FSTN
    • Weight: 9.5 oz (270 g)
    • Waterproof: yes (IPX7)
  • Features & Benefits:
    • Audible alarms: yes
    • Dual-frequency sonar capable: no
    • Dual-beam sonar capable : no
    • Split-screen zoom: no
    • 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 (always on)
    • Adjustable depth line (measures depth of underwater objects): no
    • A-scope (real time display of fish passing through transducer beam): no
    • Bottom lock (shows return from the bottom up): no
    • Water temperature log and graph: no
    • Water temperature sensor included: yes
    • Water speed capable (displays speed on water): no
  • Other:
    • Frequency: 200 kHz
    • Transmit power: 100W (RMS)/800W (peak to peak)
    • Voltage range: 10V - 20V input
    • Maximum depth: 600 ft freshwater*
    • Cone angle: 60º (single beam)
    • Additional: *Depth capacity is dependent on water bottom type and other water conditions.
What's in the Box:
  • Echo 100
  • Quick release mount with tilt and swivel
  • Power cable
  • Transducer w/ mounting bracket, hardware and trolling motor clamp
  • Documentation