Scientific Anglers Amplitude Smooth Infinity Salt Fly Line
There isn’t enough we can say about the infinity line series. We have always loved them for all kinds of trout fishing. Whether we need presentation, high flotation, or even some shooting power, the infinity taper does it all. AND now the line has been remastered to suit tropical environments, complete with the amplitude technology and smooth finish. There is no line better to stalk spooky fish on the flats. This line is a winner!
Description
The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and eight times the durability of traditional lines, this will change the way you look at fly line performance.
The Infinity Salt is technical, versatile, and built for performance in tropical conditions.
| Specification | Value |
|---|---|
| Line Type | Smooth Fly Line |
| Taper | Infinity Taper |
| Technology | Amplitude |
| Finish | Smooth |
| Drag Reduction | Up to five times less drag |
| Durability | Eight times more durable than traditional lines |
FAQ
What makes the Amplitude Smooth Infinity Salt line different from other fly lines?
The Amplitude Smooth Infinity Salt line features amplitude technology and a smooth finish that reduces drag by up to five times and offers eight times the durability of traditional lines, making it ideal for tropical environments and flat water fishing.
Is this line suitable for trout fishing?
Yes, the Infinity Salt line is specifically designed for trout fishing, offering excellent presentation, high flotation, and shooting power.
Can this line be used in tropical conditions?
Yes, the line has been remastered to perform well in tropical environments.


Molly Oliver –
Used this line for a week on flat water in a tropical region. The drag is noticeably lower and the line holds up well under constant use. Great for stalking fish in still waters.
Jack Buckland –
Felt a significant improvement in casting distance and accuracy. The smooth finish makes it easier to handle and the line doesn’t tangle easily.
Frank Rampling –
Perfect for trout fishing in warm, flat areas. The durability is impressive and the line performs consistently even in humid conditions.
Stewart Morrison –
After switching from a traditional smooth line, I noticed much better control and less line drag. The amplitude technology really makes a difference in casting.
Joshua Bower –
Good performance in tropical settings. A bit more expensive, but worth it for the improved durability and casting performance.