What are the notes of Drop D tuning?

D A D G B E, from string 6 (nearest your face when you hold it) to string 1.

Can I tune without a microphone?

Yes. Tap any string in the tuner to hear its reference tone and tune by ear until the beating disappears.

Drop D tuner

Drop D tuning sets the strings, from string 6 to string 1, to D2, A2, D3, G3, B3 and E4. Low E down to D. Heavy riffs, one-finger power chords. From standard tuning, tune the E string down 2 semitones to D. Press Start, play each string and turn the peg until the needle centers.

String notes and frequencies (A4 = 440 Hz)

String 6: D2 at 73.42 Hz
String 5: A2 at 110.00 Hz
String 4: D3 at 146.83 Hz
String 3: G3 at 196.00 Hz
String 2: B3 at 246.94 Hz
String 1: E4 at 329.63 Hz

Questions

What are the notes of Drop D tuning?: D A D G B E, from string 6 (nearest your face when you hold it) to string 1.
Can I tune without a microphone?: Yes. Tap any string in the tuner to hear its reference tone and tune by ear until the beating disappears.

Also try: Half step down tuner · Whole step down tuner · DADGAD tuner · Guitar Tuner