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Lowrance Mark-4 CHIRP and DownScan Transducer
($6.00
) $309.99 ($6.00
) Condition: New 
A brand-new, unused, unopened item in its original retail packaging, with all original packaging materials included. Original manufacturer's warranty is included.
- High-resolution 4.3-inch monochrome display
- CHIRP Sonar plus DownScan Imaging
- DownScan Overlay technology
- Advanced Signal Processing
- 50/200 KHz and 455/800 KHz transom mount transducer included
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Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Lowrance Mark-4 CHIRP Fishfinder/Chartplotter. 4.3" Monochrome LCD with Pre-loaded Base map, 50/200 KHz and 455/800 KHz transom mount transducer. All-NEW, easy-to-use 4.3-inch fishfinder/chartplotter that combines CHIRP Sonar with DownScan Imaging technology, super-bright, LED-backlit grayscale display, built-in GPS antenna and high-definition mapping options. The Mark-4 CHIRP includes all of the proven features of the Mark-4 HDI Series with the addition of CHIRP sonar technology —providing greater sensitivity, improved target resolution and superior noise rejection for clearer, easy-to-see bait fish and game fish targets all at a surprisingly affordable price. CHIRP sonar advantages: Easier to identify and distinguish bait and game fish targets. Better target identification at greater depths. Mark fish clearly at faster boat speeds. Exclusive Lowrance Elite-4 CHIRP advantages: Lowrance-exclusive, brilliant, high-resolution, 4.3-inch, LED-backlit display. CHIRP Sonar plus DownScan Imaging -- the power of today’s leading fishfinder technologies combined to provide the best possible view beneath your boat. Highly accurate, built-in GPS antenna plus a detailed U.S. map featuring more than 3,000 lakes and rivers and coastal contours to 1,000 feet. Optional chart upgrades include Lake Insight and Nautic Insight PRO and HD, Navionics+, and HotMaps Premium, Fishing Hotspots PRO and Jespersen C-Map Max-N. DownScan Overlay technology overlays DownScan Imaging onto CHIRP Sonar. Advanced Signal Processing reduces the need to manually adjust settings to see fish, structure and bottom detail more clearly. TrackBack to review recorded sonar history including structure, transitions or fish targets, then pinpoint locations with a waypoint. New page selector menu with quick access to all features using one-thumb operation. Multi-Window Display lets you quickly choose from pre-set page layouts -- including a three-panel view with chart, CHIRP sonar ranges and DownScan Imaging.
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