Bmaj7 chord inversions
Bmaj7/D#, Bmaj7/F# and Bmaj7/A# are the first, second and third inversions of the Bmaj7. This means that the bass tone is shifting from B to D sharp, F sharp or A sharp.
Bmaj7/D#
Bmaj7/F#
Bmaj7/A#
Theory and information
All these chords consist of the notes B, D#, F#, G#. The difference is the order of notes. D# is the bass note in the first inversion, F# is the bass note in the second inversion and A# is the bass note in the third inversion.
Comments
Playing the Bmaj7/F# in the diagram with an open high e, as 221300, will result in Bmaj11/F#.
Alternative fingerings
As similar option for Bmaj7/D# is 21130X with two A# notes instead of two B notes. Another option for Bm7/F# is 200432. Bmaj7/A# can also be played as X11X02, mostly suited for fingerpicking.
Movable shapes
Versions with movable barre shapes:
Bmaj7/D#: X69876
Bmaj7/F#: 224342
Bmaj7/A#: 669876
Alternative chord names
Bmaj7/D# is identical with Bmaj7/Eb.
Bmaj7/F# is identical with Bmaj7/Gb.
Bmaj7/A# is identical with Bmaj7/Bb and B/A#.
Try in a chord progression
C#m9 - F#13 - Bmaj7/F#
Chords that sound good together with B major 7th inversions
Some typical chords that are likely to be included in progressions with these chords are: C#m7, D#m7, Emaj7, F#7, G#m7.