Scientific Anglers SA Amplitude Smooth Infinity Fly Line
The SA Amplitude Smooth Infinity delivers exceptional versatility for Great Lakes steelhead and trout with its AST Plus slickness coating and extended head design. Built half-size heavy to load fast-action rods perfectly, this line excels whether you're swinging streamers for aggressive steelhead or presenting delicate dry flies to selective browns.
5 of 31 Alley rivers fishing well right now, 6 blown out from recent rain.
Common Questions
What kind of fishing is the Scientific Anglers SA Amplitude Smooth Infinity Fly Line used for?
Scientific Anglers's fly line is set up for spinners & spoons, swinging flies, and nymphing targeting steelhead, trout, salmon. Each technique has a dedicated guide on Steelhead Addiction with rigging walkthroughs and water-reading tips.
What fish species does the Scientific Anglers SA Amplitude Smooth Infinity Fly Line work for?
This fly line is curated for steelhead, trout, salmon, smallmouth. The Steelhead Addiction species field guide has biology and Great Lakes-specific tactics for steelhead and the rest.
Where do I buy the Scientific Anglers SA Amplitude Smooth Infinity Fly Line?
This product is fulfilled by Amazon — currently $99.95. SteelHead Addiction does not handle inventory, payments, or shipping; Amazon does. We curate the gear and pair it with live conditions context. Click "Buy on Amazon" to complete the purchase.
Are conditions good for fishing the Steelhead Alley right now?
5 of 31 Alley rivers fishing well right now, 6 blown out from recent rain. Live updates for all 31 rivers run every 15 minutes — see the full dashboard on Steelhead Addiction.
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Key Specs
Features
- + Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
- + Extremely versatile general-purpose taper designed for most freshwater species; an excellent fly line for trout, grayling, panfish, bass, carp, steelhead, salmon, and pike
- + Made a half-size heavy to load fast-action rods, but works well with a variety of rod actions
- + Extended head length for long-distance casts and superior mending ability
- + Excellent for dry flies, nymphs, and streamers
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