Scientific Anglers Amplitude Trout Floating Line For Precise Longer Quieter Casts For Trout Anglers

Meet the S.A. Amplitude Trout—the floating line that redefines precision fishing for trout. Built around AST Plus slickness, it moves through guides with extraordinary ease, delivering longer, more accurate casts and a noticeably quieter, smoother feel on every recover.

Why this trout line stands apart

AST Plus slickness additive reduces friction from cast to pickup, helping you shoot farther with less effort. The result is consistent distance, especially on windy days or when you’re presenting delicate dries to wary fish.

Triple-textured design combines a dedicated tip for maximum flotation with a textured running line that enhances casting stability and long-distance performance—so you can reach those mid-to-tailwater stretches without sacrificing presentation.

Revised taper for delicate deliveries—a refined compound taper tailors each cast for precise, soft landings, perfect for dry flies and small nymphs where timing and placement win trout.

On-water performance you can trust

The Amplitude Trout excels at medium-to-long distances while keeping a gentle, natural presentation. It’s especially effective for dry-fly tactics, where a crisp take and a subtle drift can be the difference between a rise and a missed opportunity. For anglers who enjoy smaller nymphs and light-streamer work, the line’s balance between buoyancy, load, and accuracy makes those careful, pinpoint casts feel effortless.

Durability that keeps up with your season

Designed around a braided multifilament core, the Amplitude Trout is engineered for longevity. Scientific Anglers says it lasts up to eight times longer than comparable trout lines, maintaining slickness and performance even after repeated casts through challenging runs and brushy banks.

Specifications at a glance

• Line weights: WF3F, WF4F, WF5F, WF6F, WF7F
• Head length (approx.): 64’ (WF3F) to 72’ (WF7F)
• Total length: 90’ for all sizes
• Grain weight (first 30’): 100gr (WF3F) to 185gr (WF7F)
• Core: Braided multifilament
• Floating tip texture for maximum flotation; shooting texture on the running line for extended casts
• Color tones: moss, mist green, willow
• Designed for chasing trout in freshwater environments

Who should choose the Amplitude Trout?

Ideal for anglers who demand exact, delicate presentations on clear streams and tailwaters. If you spend your days chasing trout with dry flies, light-nymph patterns, or small streamer exchanges, this line delivers the control, distance, and durability you need without compromising feel or precision.

Practical tips to get the most from your Amplitude Trout

Match the line to your rod’s action and your typical fishing distance. Use the heavier weights for longer casts in windy conditions, and rely on the tip’s flotation to keep dries riding high in slick, fast currents. Clean the line after salt or grit exposure to preserve the AST Plus slickness and prolonged life. With proper storage and routine maintenance, you’ll experience consistent loading, crisp casts, and reliable presentations season after season.