F♯ Sus4 Chord

F#sus4 Level 4: The Studio

F♯ Sus4 (F#sus4) is built from the notes F#, B, C#. Its intervals are Root — Perfect 4th — Perfect 5th. Tense, anticipatory, and leaning forward. Sus4 replaces the third with a fourth that sits just one semitone above where the major third would be, creating a pull toward resolution.

Hear F♯ Sus4 Chord

Piano sample · tap to play

Notes and intervals

Interval Semitones Note
Root 0 F#
Perfect 4th 5 B
Perfect 5th 7 C#

What does f♯ sus4 chord sound like?

Tense, anticipatory, and leaning forward. Sus4 replaces the third with a fourth that sits just one semitone above where the major third would be, creating a pull toward resolution.

F♯ Sus4 Chord in music

A strong suspension (F#-B-C#) common in rock and metal guitar. The tension between the fourth and fifth creates a powerful, expectant sound.

How to recognise f♯ sus4 chord by ear

Sus4 sounds like it's about to resolve — there's a tension that leans downward. Compare it to sus2: sus4 pushes, sus2 floats. If the chord feels like it's waiting for something, that's sus4.

Practice identifying this chord in ChordFrog's Level 4: The Studio .

Practice tip

F#sus4 (F#-B-C#) is common in rock and metal. The B natural (perfect fourth) creates a strong tension against the C# (perfect fifth) — they're only a whole step apart. Practise hearing this tight upper interval as the defining characteristic of sus4 in sharp keys.

Frequently asked questions

What notes are in a F♯ Sus4 chord?
F♯ Sus4 (F#sus4) contains three notes: F#, B, C#. The intervals are Root, Perfect 4th, Perfect 5th.
How do I recognise F♯ Sus4 by ear?
Sus4 sounds like it's about to resolve — there's a tension that leans downward. Compare it to sus2: sus4 pushes, sus2 floats. If the chord feels like it's waiting for something, that's sus4. Practice identifying F♯ Sus4 in ChordFrog's Level 4 (The Studio).
What level is F♯ Sus4 in ChordFrog?
F♯ Sus4 is introduced at Level 4: The Studio. This level adds suspended chords alongside major and minor triads.

Other F# chords

F♯ Major Chord F♯ Minor Chord F♯ Diminished Chord F♯ Augmented Chord F♯ Sus2 Chord

All Sus4 Chords chords

C Sus4 Chord D♭ Sus4 Chord D Sus4 Chord E♭ Sus4 Chord E Sus4 Chord F Sus4 Chord G Sus4 Chord A♭ Sus4 Chord A Sus4 Chord B♭ Sus4 Chord B Sus4 Chord

Hear f♯ sus4 chord for yourself

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