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BOSS DB-90 Dr. Beat Best Metronome Beat Counter Portable Timekeeper with Tap Tempo and Rhythm Coach Function and Footswitch Control

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Practice in style with the flagship of the Dr. Beat Metronome line. The new DB-90 is loaded with quality sounds and drum patterns to make your practice sessions less mundane and more musical. There's a Rhythm Coach function with an onboard mic, a reference-tone function for tuning, an Instrument input, MIDI input, and other handy tools to make learning fun and effective.

- Quick rhythm customizing with Note Mixing function, dozens of play-along drum patterns also built-in
- Dedicated sliders, buttons, rotary dial, and large backlit LCD for user-friendly operation
- 4 metronome (including human voice) sounds
- Reference Tone function makes it easy to verify tuning by ear
- Practice with the Rhythm Coach by connecting a V-Pad (optional) - rubber pads and acoustic drums can also be detected via built-in mic
- Direct connection with guitar and bass, plus headphone monitoring
- Footswitch control for hands-free play/stop, and MIDI input for sync to external sequencers

Better Beats, Better 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.

Plug Into 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.

Many Uses
Drummers can connect to the DB-90 via Roland V-Pads or the internal microphone. Guitarist and bassist 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 more elaborate accompaniment, they can do so with the DB-90's MIDI input. This stage-oriented feature is especially useful for drummers.




1. Can you control the volume of the BOSS DB-90?

  • Yes! You can adjust the BOSS DB-90 with the volume dial on the side. There is also a mute button.

2. What is the bpm range of the BOSS DB-90?

  • The BOSS DB-90 has a range of 30 - 250 beats per minute.

3. What kind of battery does the BOSS DB-90 need?

  • The BOSS DB-90 uses 2 x AA batteries which can last longer depending on usage.

4. Can I use the BOSS DB-90 as a click track for a band?

  • Yes. The BOSS DB-90 is a good clicker for a band. You can lay it flat on its back or use the built-in stand.

5. Can I hear the BOSS DB-90 even if the instrument is fairly loud?

  • Yes, it depends on the loudness but wearing headphones is the solution!

6. Can the BOSS DB-90 fade the tempo in and out?

  • No. The tempo should be manually adjusted.

7. Does the BOSS DB-90 have speakers?

  • Yes.

8. Does the BOSS DB-90 need to be connected to a speaker?

  • The BOSS DB-90 can be used with or without speakers.

9. Can the BOSS DB-90 click on the downbeat? Or the upbeat?

  • Yes. The BOSS DB-90 is easily adjustable using the sliders and volume dial.

10. Can the BOSS DB-90 be set for double time?

  • Yes. 

11. Does the BOSS DB-90 have blinking lights to mark the tempo?

  • Yes. The BOSS DB-90 has LED tempo indicators.

12. Can the BOSS DB-90 be set to click on the last note of the 16th?

  • Yes.

13. Is the BOSS DB-90 audible while playing an acoustic guitar?

  • Yes.

14. Does the BOSS DB-90 have a backlit display?

  • Yes

15. Does the midi mode on the BOSS DB-90 remain active while turned off?

  • No.

16. Does the BOSS DB-90 have a tuning function?

  • Yes. The BOSS DB-90 has a standard pitch function for tuning instruments.

17. Can I save tempos on the BOSS DB-90?

  • Yes, the BOSS DB-90 has a memory function for saving tempos for each song.

18. What is the difference between the BOSS DB-90 and the BOSS DB-60?

  • The BOSS DB-90 has a rhythm coach function which features an onboard mic and a reference tone for tuning. It has 4 training modes that can be used to improve accuracy and endurance. It has sliders and a dial to easily control parameters.



  • Metronome
  • Tempo: 30-250 (Accuracy: ±0.1%)
  • BEAT: (BEAT1) 1-9, (BEAT2) OFF/1-9
  • RHYTHM COACH: Time Check, Quiet Count, Gradual Up/Down, Step Up/Down
  • Reference Tone: Reference Pitch: A4=438 Hz-445 Hz (1 Hz steps), Reference Tone Range: C2-B6 (5 octave, 12 semitone)
  • Memory: Metronome: 50, Reference Tone: 10
  • Auto Power Off function: Turns unit off after 60 min
  • Indicators: LCD Display, Tempo Indicator LED x 2
  • Connectors: TRIG IN jack, START/STOP jack, MEMORY UP/DOWN jack, MIDI IN connector, PHONES jack x 2 (Stereo 1/4" phone type, Stereo miniature phone type), INPUT jack, AC ADAPTOR jack
  • Power Supply: DC-9V: Dry Battery (6LR61/9V, 6AM6/9V) or AC adaptor (PSA series)
  • Current Draw: 85 mA or less (with reference tone sounding), 190 mA or less (with signals input to the INPUT jack)
  • Accessories: Dry Battery (6LR61 (9V) Type), Soft case, Owner's Manual (Japanese version - English version available if necessary), Boss nut (M8)

Size & Weight (Incl. Battery)

  • Width: 122 mm (4-13/16 inches)
  • Depth: 164 mm (6-1/2 inches)
  • Height: 38 mm (1-1/2 inches)
  • Weight: 450 g (1 lb)

*The specifications are subject to change without notice.

    Payment & Shipping


    • Import duties and shipment costs are all included in the price for customers in the USA.


    • Your package will be shipped from one of our fulfillment centers in the USA.
    • Free 2 business day delivery with a tracking number in the 48 contiguous states of the USA.
    • The delivery to Alaska, Hawaii, and Puerto Rico can take more than 2 days.
    • Sometimes it can take a little longer due to unforeseen circumstances.
    • Our system cannot ship to PO Boxes.
    • Currently, we cannot ship outside the USA. If you are outside the USA, please contact us.

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