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Boss DB-30 Dr. Beat Metronome

The Boss DB-30 Metronome

Boss DB30 Dr Beat Metronome

The DB-30 is one of a popular series of digital metronomes from Boss. Unlike some metronomes in this price range, it lets you practice with a variety of complex rhythm patterns.

Get it from:




Boss is best known as a manufacturer of guitar effects pedals, but it also produces various other music products, including metronomes and rhythm machines. Boss was founded by the Roland Corporation of Japan in 1973, and has its headquarters in Hamamatsu. The company’s official site is at http://www.bosscorp.co.jp


Weight: 70g / 3oz

Dimensions (W x D x H): 61mm x 90mm x 20mm / 2-7/16 x 3-9/16 x 0-13/16 inches

Colour: Black

Power: CR2032 lithium battery

Model No: DB-30


The DB30 costs approximately £30 / $40, although this will vary depending on where you get it.


  • Large LCD screen with easy to read swinging needle

  • Two LCD lights for additional visual reference
  • Wide tempo range of 30 – 250 BPM
  • Easy to hear beep, which can be adjusted or muted. This retains its previous settings when reactivated after muting
  • 9 rhythm patterns: quarter note, eighth rest and eighth note, eighth note, triple, triple with centre rest, sixteenth note, sixteenth note with centre rest, clave 3-2, clave 2-3
  • 24 beat variations, including complex beats: 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
  • Headphone jack for silent practice
  • Can be clipped to a music stand
  • Tap tempo feature lets you set the tempo easily if you don’t know exactly what it is beforehand, or to avoid excessive button pressing when making a significant tempo change
  • Reference pitch where A = 438Hz – 445Hz. Adjustable in 1Hz increments
  • 12 chromatic reference tones from C4 to B4, so can also be used to help with tuning
  • Front buttons are large enough for easy use
  • Solidly built and small enough for easy portability
  • Power turns off automatically after 60 minutes, to preserve battery life

More Information

The Boss DB-30 owner’s manual can be downloaded here.

This video gives more info about the DB-30, as well as the other metronomes in the series (the DB-60 and DB-90).

Feedback / Pros and Cons

The DB-30 has garnered many positive reviews online, although as with any product there are also some complaints. Its ability to handle more complex time signatures is a great help to drummers or anyone playing Latin music or other styles which may have rhythms other than the standard 4/4, ¾ etc. Its small size makes it great for carrying in a music case or bag, or clipping to your music stand. In addition, the reference tones are useful if you can tune your instrument by ear (and everyone should practice doing this!).

It has an electronic beep tone, rather than the click of a mechanical metronome; this may be an advantage or a disadvantage, depending on your preference.

On the downside, a number of people have complained that after using it for some time, the unit starts resetting itself to 120 BPM. Some have also complained about the battery life, and the fact that it uses such a small and possibly inconvenient battery type, although this latter issue is a result of the unit’s small size. Another issue raised by some reviewers is that the volume may be too low to hear over louder practice – though many others commented on the loudness, so this isn’t a universal complaint, and the metronome could be plugged into an amp if this is an issue.

Read more Boss DB-30 reviews on Amazon

Where To Buy The DB-30 Metronome

This is a popular product, and can be found in many music stores, as well as online. Check the links at the top of this post, or find it on Amazon.com, Amazon UK or eBay (below):

Click here to see more metronomes

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  4. Korg MA-30 Digital Metronome – Product Details
  5. Wittner Taktell Cat Metronome
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