• Combination GPS chartplotter and sonar capability in one compact unit with a quick disconnect mount
• Built-in UniMap™ of the USA coastline, and inland lakes and rivers to 30 meters per pixel
• 16 Channel WAAS GPS receiver for highest accuracy
• High Contrast 640V x 320H 5" diagonal display with UltraBlack™ Contrast Enhancement
• DualBeam PLUS sonar delivers wide coverage and better bottom definition
• Selectable 20° or 60° beams, or simultaneous operation
• 2000 Watts Peak-to-Peak, 250 Watt RMS power output
• Reliable performance from shallow to 800 feet
• Sonar Echo Enhancement™ shows a bait when vertical jigging and delivers 2 1/2" target separation
• Real Time Sonar™ captures the action at up to 40 times a second for better views when moving
• Upgradable to Navionics® seamless cartography with inland freshwater maps from Navionics HotMaps™ and Marine cartography for blue water use
• Exclusive Tilting & Swiveling Quick Disconnect Mounting System without cables to connect
• Temperature included in transducer, GPS speed included
• Get the 580 Combo Manual in PDF format. Download Adobe Acrobat.

Click Here For More Specs