The Humminbird HELIX 7 GPS CHIRP MSI G4 packs MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP Sonar, AutoChart Live, and internal GPS into a sharp 7" display — giving you a complete, high-definition view of what's below and around your boat. Operated entirely by keypad, it's built for reliable performance in any conditions.

Key Features:

• MEGA Side Imaging — Crystal-clear side views out to 125 ft on each side; up to 3x more detail than standard Side Imaging sonar
• MEGA Down Imaging — Unprecedented underwater clarity down to 125 ft; up to 3x more detail than standard Down Imaging sonar
• Dual Spectrum CHIRP Sonar — Wide Mode for maximum coverage, Narrow Mode for pinpoint detail; powered by Low-Q CHIRP transducer
• Internal GPS + Humminbird Basemap — Charts for 10,000+ lakes and continental U.S. coastal coverage; identify buoys, hazards, marinas, contours, and more
• AutoChart Live — Map depth contours, bottom hardness, and vegetation in real time; 8 hours of built-in recording; compatible with AutoChart Zero Line SD cards
• Premium Chart Compatible — Works with LakeMaster®, CoastMaster™, Navionics® Gold, HotMaps, and Platinum+
• Keypad Control — Softkey controls for reliable, intuitive operation in any weather or water conditions

Specifications:

• Display: 7" Color TFT, 1024H x 600V, 16-Bit
• Touchscreen: No (Keypad Control)
• Sonar: Dual Spectrum CHIRP, MEGA Side Imaging, MEGA Down Imaging
• CHIRP Frequencies: Narrow (180–240 kHz), Wide (140–200 kHz), Full (150–220 kHz)
• Sonar Coverage: 20°, 42°, 60° & (2) 86° @ -10dB
• Depth (Standard Transducer): 1,200 ft | Depth (Optional 50 kHz): 3,500 ft
• Down Imaging Depth: 75 ft (MEGA) / 400 ft (455 kHz)
• Side Imaging Range: 800 ft (455 kHz) / 250 ft (MEGA)
• Power Output: 4,000W Peak-to-Peak / 500W RMS
• Power Input: 10.8–20 VDC | Power Draw: 800 mA
• GPS: Internal | GPS Trackplotting: Included
• Waypoints/Routes/Tracks: 2,750 / 47 / 50 (20,000 pts)
• Memory Card: Single Micro SD
• Mount: Gimbal (standard) | In-Dash Kit (optional)
• Gimbal Dimensions: 10.54" W x 5.8" H x 3.68" D
• In-Dash Dimensions: 10.54" W x 5.44" H x 1.13" D
• Transducer: XNT-9-HW-MSI-150-T (transom mount, included)
• AIS: Optional | Autopilot: Yes | Radar: No | Ethernet: No
• MEGA Live Compatibility: No | 360 Imaging Compatibility: No
• Country of Origin: Taiwan
• Box Weight: 5.2 lbs | Box Dimensions: 5"H x 14"W x 17"L
• UPC: 082324058295
• Warranty: 1-Year Limited

Compatible With: Minn Kota US2 Sonar, Minn Kota Built-In MEGA DI, AIS, AutoPilot

In the Box: Control head, transom-mount transducer (XNT-9-HW-MSI-150-T), power cable, gimbal mounting bracket, mounting hardware

Owner's Manual (PDF)