Boss DR. Beat Metronome DB90
Boss DR. Beat Metronome DB90

Boss DR. Beat Metronome DB90

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Boss MSRP: $249.99
Regular price
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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.



- 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




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.



Tempo: 30-250 (Accuracy: ±0.1%)
Beat: (BEAT1) 1–9, (BEAT2) OFF/1–9
Pattern: 8-BEAT x 4, 16-BEAT x 3, SHUFFLE x 3, FUNK x 2, JAZZ x 2, BLUES, TECHNO, HOUSE, COUNTRY, REGGAE, CLAVE 3-2, CLAVE 2-3, SALSA, RUMBA, BOSSA NOVA, SAMBA, WALTZ, TANGO, MAMBO, CHACHACHA, MARCH (30 kinds)RHYTHM COACHTime 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)


Metronome: 50
Reference Tone: 10

Auto Power Off function

Turns unit off after 60 min


LCD Display, Tempo Indicator LED x 2


TRIG IN jack
MIDI IN connector
PHONES jack x 2 (Stereo 1/4" phone type, Stereo miniature phone type)
INPUT 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)


Dry Battery (6LR61 (9V) Type)
Soft case
Owner's Manual
Boss nut (M8)


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 lbs.