The HOOK-4x combines the benefits of CHIRP Sonar and DownScan Imaging? technology to give you a clear and complete view of the underwater environment beneath your boat. Featuring a brilliant 4-inch color display, the HOOK-4x is powered by high performance sonar with enhanced sonar sensitivity, excellent target separation and superior noise rejection, making it easier to see baitfish and gamefish targets.

 Sonar features

 Yes

 GPS features

 No

 Display Size

 4.3" diagonal (109.22 mm)

 Pixel count  / Resolution

 480 x 272

 Display Type

 16-bit color Full VGA

 Backlighting

 LED-backlit display (11 levels) - power button doubles as light control

 Frequency

 50/200 kHz (Low/High CHIRP)

 83/200 kHZ (Med/High CHIRP)

 455/800 kHz (DownScan Imaging)

 Transducer

 Skimmer®

 Broadband Sounder

 Yes - built into the unit.

 Output Power

 180W RMS

 Max Depth

 300 ft  (91 m) - 455/800 kHz *

 1000 ft (305 m) - 83/200 kHz *

 2500 ft (762 m) 50/200 kHz *

 Input Voltage

 10 - 17 vDC 

 Power Consumption / Current Draw

 .75A - Normal use and backlight on.

 Casing /Waterproof Standards

 Sealed and waterproof (IP-X7) 

 Dimensions

 6.6" H x 3.8" W x 2.2" D  (168 x 96 x 56 mm) 

 Bottom Color Tracking Mode

 Yes

 Fishing Modes

 Yes

 Ping Rate

 Yes - Manually adjustable

 CHIRP and DownScan Imaging

 Yes

 Ice Mode

 Yes

 Sonar Graph Recording \ TrackBack

 Sonar Recording - No; TrackBack - Yes

 Fish ID

 Yes

 Sonar Alarms

 Yes - Deep and shallow depth alarms.

 Split Screen Zoom

 No

 Surface Water Temperature

 Yes- Available built into transducer viewable via overlay data.

 Paddlewheel Distance Log

 No

 Memory Back Up

 Yes

 Compass Safe Distance

 8" (20cm)

 Languages

 30 - Available in regional packs

 Overlay Data

 Yes

 Screen Capture

 Yes

 Ethernet Port

 No

 Hard Drive

 No

 Weight

 1.36 lbs

 Operating Temperature

 5°F to 130°F  (-15°C to 55°C)

 Manufactured

 2015-2016

 Current Software Version

 1.0.0

*Actual depth capabilities depend on transducer configuration and installation, bottom composition, and water conditions.