The catch
Lowrance Eagle 9 TripleShot HD
For SideScan to work, the transducer needs a clear mounting spot and a suitable boat speed.
Side by side
Decide how much screen workspace you need and whether the body fits before picking a TripleShot HD size.
Before you buy
About 35.3 square inches of display area belong to Eagle 9 TripleShot HD and about 21.6 to Eagle 7 TripleShot HD. The figures help in judging viewing distance and split-screen comfort.
Where this comes from
Assuming square pixels and the published diagonal, Area = diagonal² × horizontal pixels × vertical pixels ÷ (horizontal pixels² + vertical pixels²). The values are geometric estimates and not active-area measurements.
The catch
For SideScan to work, the transducer needs a clear mounting spot and a suitable boat speed.
The catch
This is not a platform for networked live sonar.


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Eagle 9 TripleShot HD versus Eagle 7 TripleShot HD, looking at included sonar, display workspace, chart support and the battery demands of your boat.
Decide how much screen workspace you need and whether the body fits before picking a TripleShot HD size.
Which one fits
TripleShot HD and the same chart ecosystem come with both. Eagle 9 changes the viewing surface, pixel matrix and chassis size. The sonar type stays the same.
Eagle 9 publishes 640mA at 12V against 550mA for Eagle 7. The extra battery demand is smaller than the jump in screen area, although real runtime still depends on the battery and settings.
At 61.3mm wider, the nine-inch body takes more room. Before assuming the larger screen mounts where the smaller one did, measure the space beside rod holders, steering controls and the windshield.
614400 pixels sit on the 9-inch unit, versus 384000 on Eagle 7. That enlarges the chart and sonar display workspace and does not claim greater acoustic detail.
In practice
About 35.3 square inches of display area belong to Eagle 9 TripleShot HD and about 21.6 to Eagle 7 TripleShot HD. The figures help in judging viewing distance and split-screen comfort.
Assuming square pixels and the published diagonal, Area = diagonal² × horizontal pixels × vertical pixels ÷ (horizontal pixels² + vertical pixels²). The values are geometric estimates and not active-area measurements.
Working from the 102.4Wh allowance, the published electrical point of Eagle 9 TripleShot HD works out to about 13.3 hours and that of Eagle 7 TripleShot HD to about 15.5 hours.
The assumption is 12.8V ×10Ah ×0.8 =102.4Wh usable for this device alone. At the published points, power is 0.64A ×12V =7.7W and 0.55A ×12V =6.6W. HELIX input is taken as 12V, since the draw specification leaves out the test voltage. Converter loss, temperature and battery aging are ignored. This is not a measured runtime comparison.
614400 pixels sit on the 9-inch unit, versus 384000 on Eagle 7. That enlarges the chart and sonar display workspace and does not claim greater acoustic detail.
1024 ×600 =614400.800 ×480 =384000.614400 ÷384000 =1.60. The way the extra pixels get used depends on software scaling.

Lowrance, Eagle 9 TripleShot HD
TripleShot HD gives this nine-inch 1024 × 600 IPS fishfinder CHIRP, DownScan and SideScan. It belongs on a console with space for an 11.3-inch-wide body.

Lowrance, Eagle 7 TripleShot HD
A 7-inch display comes with it, and the named Amazon configuration also includes a transducer.
Spec by spec
| Spec | Lowrance Eagle 9 TripleShot HD | Lowrance Eagle 7 TripleShot HD | In practice |
|---|---|---|---|
| Display diagonal | 9 inches | 7 inches | A bigger physical view helps if the unit is mounted farther from the seat. |
| Pixel matrix | 1024 × 600 | 800 × 480 | It governs addressable display workspace and has no bearing on acoustic target separation. |
| Published electrical point | 0.64A at 12V | 0.55A at 12V | Size a battery using the stated conditions. The HELIX voltage is a nominal 12V assumption. |
| Bare body width | 287.2mm | 225.9mm | Allow extra room for the bracket and the cable exits. |
Trade-offs
Change of plan
Go with Lowrance Eagle 9 TripleShot HD. TripleShot HD and the same chart ecosystem come with both. Eagle 9 changes the viewing surface, pixel matrix and chassis size. The sonar type stays the same.
Go with Lowrance Eagle 7 TripleShot HD. Eagle 9 publishes 640mA at 12V against 550mA for Eagle 7. The extra battery demand is smaller than the jump in screen area, although real runtime still depends on the battery and settings.
Decision guide
Screen workspace and body fit come first when comparing these TripleShot HD sizes.
TripleShot HD and the same chart ecosystem come with both. Eagle 9 changes the viewing surface, pixel matrix and chassis size. The sonar type stays the same.
Eagle 9 publishes 640mA at 12V against 550mA for Eagle 7. The extra battery demand is smaller than the jump in screen area, although real runtime still depends on the battery and settings.
At 61.3mm wider, the nine-inch body takes more room. Before assuming the larger screen mounts where the smaller one did, measure the space beside rod holders, steering controls and the windshield.
By the numbers
What we found across the fish finders we compare, plus the checked facts behind each finding.
Only 5 of the 23 models checked meet every need here: “Take in split screens at a glance” and “Scan to port and starboard”.
5 models fit, out of 23 checkedHow we countedThe count uses each product's current fit ratings for “Take in split screens at a glance” and “Scan to port and starboard”. A need with no documented match is not counted.
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| Lowrance Eagle 9 TripleShot HD |
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| Lowrance Eagle 7 TripleShot HD |
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Ready to buy
Open either model on Amazon for the current price, customer reviews and delivery options.

Split views call for more pixels
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A narrower body at 225.9mm is what you need
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