581i HD DI Combo
500 Series
408990-1
Internal GPS Combo
The 581i HD DI Combo features a high definition 16 level grayscale 640V x 320H, 5" display with 4000 watts PTP power output and GPS Chartplotting with built-in UniMap™.
Learn More About
Display
- 5.0" diagonal
- 640V x 320H
- 16 Level Grayscale
Cartography
- Navionics Compatible
Memory
- Waypoints: 2,500
- Routes: 50
- Tracks: 50 w/20,000 points each
Sonar
Down Imaging® w/DualBeam PLUS™
- w/SwitchFire™
- 200 kHz / 28° @ -10db
- 455 kHz / 16° @ -10db
- 455 kHz / 75° @ -10db
- 800 kHz / 45° @ -10db
- Depth: 350ft (DI)/600 ft.
Power Output
- 500 Watts (RMS)
- 4000 Watts (Peak-to-Peak)
GPS Features
- Precision GPS
- Trackplotting
- Chartplotting
- GPS Speed
- Humminbird UniMap™
Warranty
- One Year
All products advertised and sold in the United States operate in English Language, Feet/Fathoms, Fahrenheit and/or US Maps. Local languages, Metric product and/or local maps are only available through your local authorized distributor. See our Find a Dealer section for the distributor nearest you.