Watch the 1 5 1 Structures online guitar lesson by Brad Carlton from Guitar Lab: Open String Universe
This chord is A root 5th root structured rooted off the 11th fret of the 5th string. The 2nd string open is a B which is the b3 in the key of G#. The 1st string open is an E which is the b6 in the key of G#. The total formula of this voicing is 1 b3 5 b6 therefore it is a G#m add b6. The formula 1 b3 5 b6 is a subset of the following scales: phrygian, aeolian. This chord could also be viewed as an EMaj7/G#. The applied scales would be: ionian, lydian. The included chart shows this chord/scale relationship for the m add b6 and Maj7 harmonies.