BOSS DB-30 Dr. Beat Pocket Metronome

The BOSS DB-30 Dr. Beat is a feature-packed pocket metronome that delivers far more than basic timekeeping. Compact and ruggedly built, it provides a full suite of practice tools including 24 beat variations, 9 rhythm patterns, and 12 chromatic reference tones — all in a pocketable form factor suited for musicians on the go.

Whether you're a student building foundational timing or an experienced musician refining complex rhythmic feels, the DB-30 handles the full range of practice needs. Tap Tempo lets you instantly set the groove by feel, while rhythm patterns enable authentic play-along practice.

The DB-30 fits seamlessly into any practice routine. Its headphone output enables private practice anywhere, and the Auto Power-Off function extends battery life during extended practice days. Backed by BOSS's reputation for durable, road-ready build quality.

Key Features

• 24 Beat Variations: Covers simple, compound, and complex meters to support practice across a wide range of musical styles and time signatures.
• 9 Rhythm Patterns: Built-in play-along patterns add musical context to metronome practice.
• Tap Tempo: Instantly sets the BPM by tapping, enabling fast, intuitive tempo matching.
• 12 Chromatic Reference Tones: Covers C4 through B4 at A4=438-445 Hz tuning.
• Large LCD with Tempo Indicator: Clear, readable display with dual LED tempo indicators.
• Memory Function: Stores tempo and settings when powered off.
• Headphone Output: Enables silent, focused practice in any environment.
• Auto Power-Off: Automatically powers down after 60 minutes of inactivity.

Technical Specifications

• Tempo Range: 30-250 BPM
• Tempo Accuracy: +/-0.1%
• Beat Variations: 24
• Rhythm Patterns: 9
• Reference Tone Range: C4-B4
• Power Supply: CR2032 lithium battery
• Width: 2-7/16 inches
• Depth: 3-9/16 inches
• Height: 13/16 inches
• Weight: 3 oz