Preferred by bluegrass players and heavy strummers. They produce massive volume and sustain but require significant finger strength. 2. Choose Your Material (The "Voice")

Gauge is measured in thousandths of an inch. Thicker strings are louder and richer but harder to press down.

A popular "middle ground" for beginners who want a slightly fuller sound without the finger pain.

The industry standard for most acoustic guitars. These offer a balanced tone and volume suitable for both strumming and fingerstyle.

Most acoustic strings are made of a steel core wrapped in a copper alloy. The Ultimate Guide to Acoustic Guitar Strings - D'Addario