Boss DB-90 Dr. Beat Metronome with Tap Tempo

Electronic Metronome with PCM Drum Sounds, Rhythm Coach, and Mic/Guitar/Bass Inputs
Boss DB-90 Dr. Beat Metronome with Tap Tempo image 1
Boss DB-90 Dr. Beat Metronome with Tap Tempo image 1
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Boss DB-90 Dr. Beat Metronome with Tap Tempo
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Practice with Quality Sounds and Drum Patterns

The BOSS DB-90 metronome packs an astounding number of functions and features into its compact, lightweight chassis. You get four great metronome sounds (including human voice) plus dozens of drum patterns to accompany your playing. Easily customize rhythms with the Note Mixing function for great variety. Use the built-in mic, MIDI input, and direct guitar input onboard the DB-90 for all types of practice sessions, or plug in your Roland V-Pad and work with the Rhythm Coach function. You get easy-to-adjust sliders, buttons, and a rotary knob, as well as a large backlit LCD screen on the DB-90.

BOSS DB-90 Dr. Beat Metronome at a Glance:

  • Create different beats to accompany your practice

  • Build accuracy, speed, and endurance with Rhythm Coach
  • Plug in a mic, guitar, bass, or V-Drum pads!

Create different beats to accompany your practice
The Note Mixing function allows you to instantly create a variety of beats by adjusting the levels of five different note values. Front-panel sliders, buttons, and a large rotary dial provide instant, hands-on access to edit parameters. Select four different click sounds, including a human voice-counting sound that will help you know your place in the bar. The DB-90 is also equipped with realistic PCM drum patterns, for developing your accuracy and rhythmic feel effectively.

Build accuracy, speed, and endurance with Rhythm Coach
Expand your rhythmic horizons with Rhythm Coach. This innovative follow-along feature has four training modes to help build your accuracy, speed, and endurance. With the DB-90's onboard microphone, you can use the Rhythm Coach functions with acoustic drums, or plug a Roland V-Pad into the Trigger input. Play along and chart your progress.

Plug in a mic, guitar, bass, or V-Drum pads!
Drummers can connect to the DB-90 via Roland V-Pads or the internal microphone. Guitarists and bassists can directly plug into the DB-90 without any other gear required and monitor via connected headphones. Practically any type of instrumentalist can benefit from the DB-90's features. And for those who wish to sync to an external sequencer for a more elaborate accompaniment, they can do so with the DB-90's MIDI input. This stage-oriented feature is especially useful for drummers.

BOSS DB-90 Dr. Beat Metronome Features:

  • The most advanced metronome available

  • Trigger input to access unique Rhythm Coach exercises
  • MIDI in for syncing to external sequencer tempos
  • PCM sounds with drum-machine-style patterns
  • 50 memories
  • Human-voice count
  • Optional power supply PSA-120S available
You'll play better when you practice with the BOSS DB-90 Dr. Beat metronome!

Additional Media

Read the Boss DB-90 Owner's Manual

Tech Specs

Format Portable
Tuner Yes
Manufacturer Part Number DB-90

Customer Reviews

Based on 8 reviews
Write your review


This is the best metronome I have ever owned. I havde been playing by 'ear' and have decided to learn to play by sheet music. The voice count in is great (for me) .When turned off all saved programs are lost, which is the only down side I see. I really like this machine. If it were to break I would order another immediatly. I dont think it will break however,(knock on wood) I have a 15 year old boss DB66 which is still going If you want the best, I believe this is it.

Unblievable product!!!

This is the best metronome I have ever owned. It's really great because I have a ton of rhythmic patterns at my disposable to practice with and I can pull sounds out and accent certain subdivisions of the beat. It doesn't have some of the ridiculous tempos I need to practice certain death metal and grindcore riffs, but it makes up for it with all the features it has. I would recommend this product for any guitarist who wants to practice till his head explodes and then he has to pick the pieces back up and glue it back together by hand and then practice some more. This thing will profoundly improve the way you play!!!
Music background: blues, jazz, metal, punk, bluegrass and flamenco


While this device is a bit spendy it does everything I need and more. The accuracy, fuctionality and ease of use is remarkable. If you are looking for a cadillac of metronomes that can help improve your playing, this is it. Outstanding in every way!! The only complaint I have is that they send a battery and you need to buy the charger if you want to. If I would have known that upfront, I would have ordered it as well. It is not clear when buying on line.
Music background: Amature looking to became professional

A Click in Time

Picked this up for our church worship team. We mix it into our IEMs. All the drummers use it flawlessly. It's a metronome, so it's not that complicated, but it is absolute cake to use. It does everything we want it to do - plus it mounts with drum hardware - although it would be nice for Boss/Roland to come up with a 90 degree mount so it's easier to fit into a drum kit.
Music background: Music Director, Recording Engineer, Live Sound Engineer

Very Good Metronome

This metronome has been a great tool in getting our Praise and Worship team tighter. The human voice count will not let you cheat and move the "1" the other sounds are useful also. The programability is great, you can input the tempo, time signature and even the sub-divisions you want for each song then recall them. Our drummer controls it, but we run it through the Avioms so anyone can bring it up in their ears, very helpful in learning punches or having everybody come in on beat. This is our second DB-90 and is going to our Youth building to help train their band. Our first is 6+ years old and doing fine. It has a lot of features and requires some effort to learn how to utilize them all, but it's well with the time to do so.
Music background: Band Director, Bass Player
See also: Drum Metronomes, Boss, Boss Metronomes