Once again, I'll agree with my fine colleague, Christopher Schlegal!

Fundamentals 2 gets way more into theory about how the guitar works as an instrument, beyond strumming and changing chords in the first three frets.

For some players, this is more info than they need to go ahead and play the kinds of music they love.

And for others, it is vitally important as it provides a far deeper understanding of the instrument and of music in general.

That said, some of the skills taught in Level 2 are physically more difficult to achieve on an acoutsic guitar, vs. an electric guitar.

Still, even if you are going through Level 2 with an acoustic, even if it's a physical challenge - what's most important is that you understand the logic, patterns, information presented in the course. (vs. being actually able to play it all with perfect tone.)

-Lisa