Boss DB-30

​Metronome - Digital Metronome • Dr. Beat


• Portable, ruggedly built, and packed with fun play-along patterns
• 24 beat variations with complex beats, and 9 rhythm patterns
• Large LCD with smooth tempo meter
• Tap-tempo feature
• 12 internal chromatic reference tones
• Convenient Phones jack and Auto Power-Off function


Specifications

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

Size and Weight
Width: 61 mm 2-7/16 inches
Depth: 90 mm 3-9/16 inches
HeightV: 20 mm 0-13/16 inches
Weight: 70 g 0 lbs. 3 oz.