Boss Metronome Doctor Beat DB-30
Boss Metronome Doctor Beat DB-30

Boss Metronome Doctor Beat DB-30

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Boss MSRP: $49.00
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Choose Your Pattern

Pick from a menu of nine rhythm types and 24 beat variations, including combinations of odd-time signatures and clave patterns for practicing Latin rhythms.

Who says practice has to be painful? Put some extra spice and groove into your next practice session with the DB-30!


The DB-30 adds value with its smooth-flowing LCD needle for visual tempo assistance, and two bright LED lights that visually assist your practice.

Other helpful functions include Tap Tempo for finding the right pulse fast, internal reference tones (12 semitones), Auto Power Off for optimizing battery life, and headphones jack so you won’t miss a beat, even in noisy environments.


  • Metronome                                      
          • Tempo: 30-250 (Accuracy: ±0.1%)
          • BEAT: 0–9, 2+3, 3+2, 3+4, 4+3, 4+5, 5+4, 5+6, 6+5, 6+7,7+6, 7+8, 8+7, 8+9, 9+8 (24 kinds)
          • RHYTHM: Quarter note, Eighth rest and eighth note, Eighth note, Triple, Triple with center rest, Sixteenth note, Sixteenth note with center rest, Clave 3-2, Clave 2-3 (9 kinds)
  • Reference Tone                                 Reference Pitch: A4=438 Hz-445 Hz (1 Hz steps) Reference Tone Range: C4 to B4 (Accuracy: ±1 cent)
  • Memory function                            Stores the settings when the power is turned off.
  • Auto Power Off function              Turns unit off after 60 min.
  • Indicators                                            LCD Display, Tempo Indicator LED x 2
  • Connector                                           PHONES Jack (Stereo miniature phone type)
  • Power Supply                                    CR2032 lithium battery
  • Power Consumption                      10 mA or less (with reference tone sounding)
  • Accessories                                        CR2032 lithium battery, Owner’s Manual



Width    61 mm 2-7/16 inches

Depth   90 mm  3-9/16 inches

Height   20 mm  0-13/16 inches

Weight 70 g 0 lbs. 3 oz.


*The specifications are subject to change without notice.