Korg

Korg KDM3BK Digital Metronome - Classic Design

4.7 (699 reviews)

Classic pyramid-style digital metronome with 8 distinct sounds, 19 beat patterns, and built-in reference tuning from Korg.

$49.98*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Korg KDM-3 brings the look of a traditional mechanical metronome into a compact digital package with considerably more versatility. Its pyramid-shaped body houses a built-in speaker that delivers clear, projecting click sounds across 8 different tones—ranging from a classic mechanical metronome simulation to cowbell, rimshot, and voice counting options. With 19 beat patterns covering standard time signatures from 0 to 9 beats per measure, plus triplet and clave subdivisions, it handles the rhythmic needs of classical, jazz, pop, and Latin repertoire without requiring separate pattern programming.

Beyond timekeeping, the KDM-3 includes a Sound Out tuning mode that generates chromatic reference tones from C4 through B4, with the A4 reference adjustable between 410 Hz and 480 Hz—useful for orchestral players who need to match non-standard tuning pitches. The unit saves your tempo, beat, and tuning settings via memory backup, so powering the metronome off and back on returns you to exactly where you left off. An auto power-off feature shuts down the unit after 20 minutes of inactivity to preserve battery life. The one-touch operation and easy-to-read display make it accessible for students and seasoned players alike, and the compact dimensions let it sit unobtrusively on a music stand or piano top.

Key Features

Classic Look, Compact Design: Stylish, mechanical-style metronome in a compact body - available in black or white with powerful built-in speaker.

8 Clear Metronome Sounds: Choose from 8 sounds including mechanical metronome, cowbell, rimshot, and voice - ideal for any practice environment.

19 Versatile Beat Patterns: Covers 0–9 beats per measure, including triplets, claves, and more - perfect for any genre from classical to Latin.

Sound Out Mode for Tuning: Reference tones from C4–B4 with adjustable calibration (A4: 410–480 Hz) help you tune by ear with ease.

Memory Backup & Auto Power-Off: Saves tempo, beat, and tuning settings even when off; auto shutoff after 20 minutes conserves battery.

Specifications

Brand
Korg
Model
KDM3BK
Type
Digital Metronome
Metronome Sounds
8
Beat Patterns
19
Tuning Range
C4–B4 (Sound Out Mode)
Calibration Range
A4 = 410–480 Hz
Auto Power-Off
After 20 minutes of inactivity
Memory Backup
Yes (tempo, beat, tuning settings)
Product Dimensions
3 x 2.5 x 4.5 inches
Item Weight
6.4 ounces
Color
Black

Pros & Cons

👍 Pros

  • 19 beat patterns including triplets and claves cover a wide range of time signatures and musical styles
  • 8 selectable click sounds let you find a tone that cuts through your instrument without being fatiguing
  • Built-in Sound Out mode with adjustable A4 calibration doubles as a chromatic reference tuner
  • Memory backup retains tempo, beat, and tuning settings between sessions so you pick up where you left off
  • Compact pyramid design with a built-in speaker produces surprisingly strong volume for its size

👎 Cons

  • No tap tempo function for quickly setting a tempo by feel during rehearsal
  • The built-in speaker, while adequate for solo practice, may not be loud enough for ensemble or drum practice
  • Display is functional but basic compared to metronomes with large backlit screens
  • At 3 x 2.5 x 4.5 inches, it is less pocket-portable than clip-on or app-based metronome alternatives

Frequently Asked Questions

It includes 8 sound options: a mechanical metronome click, cowbell, rimshot, voice counting, and additional percussion tones, letting you pick the click sound that works best for your practice environment.
Yes, it has a Sound Out mode that produces reference tones from C4 to B4, with adjustable calibration for A4 ranging from 410 Hz to 480 Hz, so you can tune by ear.
Yes, the memory backup feature saves your tempo, beat pattern, and tuning settings even when the unit is powered off.
It runs on standard batteries, and the auto power-off feature shuts it down after 20 minutes of inactivity to conserve battery life.
The KDM-3 offers 19 beat patterns covering 0 to 9 beats per measure, including triplets, claves, and other rhythmic subdivisions suitable for genres from classical to Latin.