
SCIENTIFIC ANGLERS FREQUENCY BOOST TROUT FLY LINE
Scientific Angler Frequency Boost Fly Lines are built a half-size heavy to provide a little extra power in loading the rod, making this a very easy line to cast. Frequency Boost is an excellent general purpose line that loads quickly, turns over larger flies, nymph rigs, and streamers with ease, and features a mid-length head perfect for nearly all freshwater applications. Advanced Shooting Technology helps to maximize performance and distance in any fishing conditions. This is a terrific all-purpose line that will help any angler throw tight loops. If you need a line that does it all while not breaking the bank, the Frequency Boost Fly Line is for you.
LINE FEATURES:
- All-around freshwater performance fly line for all situations
- Versatile taper excels with most flies and conditions
- Excels in all weather conditions
- Mid-length head loads, casts easily
- Formulated with Advanced Shooting Technology
- Braided multifilament core
TAPER DIAGRAM

SPECIFICATIONS
LINE WEIGHT | HEAD LENGTH | TOTAL LENGTH | GRAIN WEIGHT* |
WF-3-F | 32.0’ / 9,8m | 85.0’ / 25,9m | 110gr / 7,1g |
WF-4-F | 36.0’ / 11,0m | 85.0’ / 25,9m | 130gr / 8,4g |
WF-5-F | 36.0’ / 11,0m | 85.0’ / 25,9m | 150gr / 9,7g |
WF-6-F | 36.0’ / 11,0m | 85.0’ / 25,9m | 175gr / 11,3g |
WF-7-F | 40.0’ / 12,2m | 85.0’ / 25,9m | 200gr / 13,0g |
WF-8-F | 40.0’ / 12,2m | 85.0’ / 25,9m | 225gr / 14,6g |
WF-9-F | 40.0’ / 12,2m | 85.0’ / 25,9m | 260gr / 16,5g |
* Grain weight for the first 30′ / 9,1m
★★★★★
5.00/5 Stars out of 8 Reviews
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Chris (Maine) | February 1st, 2021
I bought this in a 6weight and use for throwing heavy streamers for bass and trout. Line handles well. I like the gray color as well, not too flashy or loud. Recommended.
WYATT ANDRESEN (MI) | December 5th, 2020
great taper, perfect for streamers and nymphing
Jake (SW Idaho) | November 28th, 2020
This 5wt line works great with dry flies or with an indicator and double nymphs. A great line for trout on small to medium rivers.
Brandon (Lake Tapps) | October 9th, 2020
This line has been great on my 5WT. Its a very versatile line, works great for streamers in the lake and putting dry flies in the spot you need it. I highly recommend this line.
Patricio (Santiago-Chile) | September 1st, 2020
With so many different lines this line is an easy option to choose from, for one of the most versatile ones on sale, this line is unique, having the ability to maximize different casting styles, I would recommend this line to anyone looking to have a decided advantage when throwing against any probability. When a longer cast is needed, this line is exceptional. The line does not stick to the rod guides and instead shoots effortlessly through them. Having such power in a line should be a part of any angler's fly fishing arsenal, the line helps experts reach their full casting potential. This line excels in all types of long distance launches and at a low price, it is fantastic.
Dominic (Lisbon, Ohio) | May 1st, 2020
I threw this line on a 6wt last year for smallmouth bass and was impressed, so I purchased the 7wt for another rod. It casts well, but time will tell how it holds up. So far so good. Nice line for the money.
Erick Lawson (Traverse City, MI) | February 24th, 2019
I’ve bought this line in a 5wt multiple years in a row. I’ve used it ton and cast good. I usually have this rigged on a back up reel for my wife or kids to use, it’s an easy casting line. Only one downside it does wear out quicker than it’s more pricy SA options.
Patricio (Chile) | February 8th, 2019
Con tantas líneas diferentes, esta línea es una opción fácil de elegir, para una de las más versátiles que se venden, esta línea es única, tener la capacidad de maximizar los diferentes estilos de casting, recomendaría esta línea a cualquier persona que busque tener una ventaja decidida al lanzar contra cualquier probabilidad.
Cuando se necesita un lanzamiento más largo, esta línea es excepcional. La línea no se pega en las guías de la varilla y en su lugar dispara sin esfuerzo a través de ellas. Tener tal poder en una línea debería ser una parte del arsenal de pesca con mosca, de cualquier pescador, la línea ayuda a los expertos a alcanzar su potencial de lanzamiento completo.
Esta línea sobresale en todo tipo de lanzamientos, desde ninfas profundas, hasta delicadas presentaciones de mosca seca, Incluso al lanzar streamers pesadas, la línea mostró un gran control.