Product Overview
The BOSS DB-90 Dr. Beat Portable Metronome in Black, UPC 761294087985, provides four metronome sounds, built-in rhythm patterns, Rhythm Coach training modes, and reference tones.
Product Information
Identification
| Field | Value |
|---|---|
| Brand | BOSS |
| Category | Digital metronome |
| Model | DB-90 Dr. Beat |
| MPN | DB-90 |
| UPC | 761294087985 |
| EAN-13 | 0761294087985 |
| GTIN-14 | 00761294087985 |
Physical Characteristics
| Field | Value |
|---|---|
| Color | Black |
| Quantity | 1 metronome |
| Dimensions (W × D × H) | 122 × 164 × 38 mm |
| Weight | 450 g, including battery |
| Display | Backlit LCD |
Technical Specifications
| Specification | Value |
|---|---|
| Tempo Range | 30–250 beats per minute |
| Tempo Accuracy | ±0.1% |
| Beat Settings | Beat 1: 1–9; Beat 2: off or 1–9 |
| Rhythm Patterns | 30 |
| Metronome Sounds | 4, including human voice |
| Rhythm Coach Modes | Time Check, Quiet Count, Gradual Up/Down, and Step Up/Down |
| Reference Pitch | A4 = 438–445 Hz in 1 Hz increments |
| Reference Tone Range | C2–B6 |
| Memory | 50 metronome settings and 10 reference-tone settings |
| Tempo Indicators | 2 LEDs |
| Inputs | Instrument, trigger, MIDI, start/stop, and memory up/down |
| Headphone Outputs | 6.35 mm stereo and stereo mini jacks |
| Power Supply | 9 V battery or BOSS PSA-series AC adapter |
| Automatic Power-Off | 60 minutes |
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