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Diatonic Harmonicas

730 instruments available

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Cascha HH-1600 Blues Harp Set C - Diatonic Harmonicas

Cascha HH-1600 Blues Harp Set C

Diatonic Harmonicas

$7
; diatonic harmonica; Blues Series; tuning: C major; 10 holes, 20 reeds; comb: plastic;...
4.5 AudioFu Score
Thomann Rookie Blues Harmonica C - Diatonic Harmonicas

Thomann Rookie Blues Harmonica C

Diatonic Harmonicas

$7
Harmonica, Thomann Rookie series, Tuning: C major, Richter system, Comb made of...
4.5 AudioFu Score
C.A. Seydel Söhne 1847 Classic Wilde Rock D - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic Wilde Rock D

Diatonic Harmonicas

$113
Diatonic Harmonica, Key: D, Stainless steel reeds, Reed plates made of...
4.3 AudioFu Score
C.A. Seydel Söhne 1847 Classic Wilde Rock C - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic Wilde Rock C

Diatonic Harmonicas

$113
Diatonic Harmonica, Key: C, Stainless steel reeds, Reed plates made of...
4.5 AudioFu Score
C.A. Seydel Söhne 1847 Classic Wilde Rock A - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic Wilde Rock A

Diatonic Harmonicas

$113
Diatonic Harmonica, Key: A, Stainless steel reeds, Reed plates made of...
4.6 AudioFu Score
C.A. Seydel Söhne 1847 Classic Wilde Rock G - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic Wilde Rock G

Diatonic Harmonicas

$113
Diatonic Harmonica, Key: G, Stainless steel reeds, Reed plates made of...
4.8 AudioFu Score
Lee Oskar Low Rider - Diatonic Harmonicas

Lee Oskar Low Rider

Diatonic Harmonicas

$68
Diatonic Harmonica, Model to mark the 50th anniversary of Low Rider, Key: C, Wider opening in the...
4.5 AudioFu Score
Cascha HH-2333 Ocean Rock Black Bb - Diatonic Harmonicas

Cascha HH-2333 Ocean Rock Black Bb

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: Bb major, 20 reeds, Comb: Black ABS...
4.4 AudioFu Score
Cascha HH-2332 Ocean Rock Black A - Diatonic Harmonicas

Cascha HH-2332 Ocean Rock Black A

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: A major, 20 reeds, Comb: Black ABS...
4.6 AudioFu Score
Cascha HH-2331 Ocean Rock Black G - Diatonic Harmonicas

Cascha HH-2331 Ocean Rock Black G

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: G major, 20 reeds, Comb: Black ABS...
4.7 AudioFu Score
Cascha HH-2330 Ocean Rock Black F - Diatonic Harmonicas

Cascha HH-2330 Ocean Rock Black F

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: F major, 20 reeds, Comb: Black ABS...
4.8 AudioFu Score
Cascha HH-2329 Ocean Rock Black E - Diatonic Harmonicas

Cascha HH-2329 Ocean Rock Black E

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: E major, 20 reeds, Comb: Black ABS...
4.4 AudioFu Score
Cascha HH-2328 Ocean Rock Black D - Diatonic Harmonicas

Cascha HH-2328 Ocean Rock Black D

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: D major, 20 reeds, Comb: Black ABS...
4.5 AudioFu Score
Cascha HH-2327 Ocean Rock Black C - Diatonic Harmonicas

Cascha HH-2327 Ocean Rock Black C

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Tuned in the key of C major, 20 reeds, Comb:...
4.7 AudioFu Score
Cascha HH-2326 Ocean Rock Blue Bb - Diatonic Harmonicas

Cascha HH-2326 Ocean Rock Blue Bb

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: Bb major, 20 reeds, Comb: Blue ABS...
4.8 AudioFu Score
Cascha HH-2325 Ocean Rock Blue A - Diatonic Harmonicas

Cascha HH-2325 Ocean Rock Blue A

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: A major, 20 reeds, Comb: Blue ABS...
4.4 AudioFu Score
Cascha HH-2324 Ocean Rock Blue G - Diatonic Harmonicas

Cascha HH-2324 Ocean Rock Blue G

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: G major, 20 reeds, Comb: Blue ABS...
4.5 AudioFu Score
Cascha HH-2323 Ocean Rock Blue F - Diatonic Harmonicas

Cascha HH-2323 Ocean Rock Blue F

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: F major, 20 reeds, Comb: Blue ABS...
4.6 AudioFu Score
Cascha HH-2322 Ocean Rock Blue E - Diatonic Harmonicas

Cascha HH-2322 Ocean Rock Blue E

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Key: E major, 20 reeds, Comb: Blue ABS...
4.8 AudioFu Score
Cascha HH-2320 Ocean Rock Blue C - Diatonic Harmonicas

Cascha HH-2320 Ocean Rock Blue C

Diatonic Harmonicas

$18
Diatonic Harmonica, Ocean Rock Series, Tuned in the key of C major, 20 reeds, Comb:...
4.5 AudioFu Score
Hohner Skipper C - Diatonic Harmonicas

Hohner Skipper C

Diatonic Harmonicas

$38
harmonica in C; 20 reeds (brass 0.9 mm); ABS comb body; stainless steel cover; high-quality product...
4.3 AudioFu Score
Bushman Harmonicas Blues Shifter Low F - Diatonic Harmonicas

Bushman Harmonicas Blues Shifter Low F

Diatonic Harmonicas

$102
Weight 0.25 kg
Diatonic Harmonica, Tuned in the key of low F, Reeds made from 1.5 mm phosphor...
4.9 AudioFu Score
Bushman Harmonicas Blues Shifter Bb - Diatonic Harmonicas

Bushman Harmonicas Blues Shifter Bb

Diatonic Harmonicas

$102
Weight 0.25 kg
Diatonic Harmonica, Tuned in the key of Bb, Reeds made from 1.5 mm phosphor...
4.4 AudioFu Score
Bushman Harmonicas Blues Shifter D - Diatonic Harmonicas

Bushman Harmonicas Blues Shifter D

Diatonic Harmonicas

$102
Weight 0.25 kg
Diatonic Harmonica, Tuned in the key of D, Reeds made from 1.5 mm phosphor bronze,...
4.5 AudioFu Score
Bushman Harmonicas Blues Shifter A - Diatonic Harmonicas

Bushman Harmonicas Blues Shifter A

Diatonic Harmonicas

$102
Weight 0.25 kg
Diatonic Harmonica, Tuned in the key of A, Reeds made from 1.5 mm phosphor bronze,...
4.7 AudioFu Score
Bushman Harmonicas Blues Shifter C - Diatonic Harmonicas

Bushman Harmonicas Blues Shifter C

Diatonic Harmonicas

$102
Weight 0.25 kg
Diatonic Harmonica, Tuned in the key of C, Reeds made from 1.5 mm phosphor bronze,...
4.8 AudioFu Score
C.A. Seydel Söhne 1847 Classic - Easy Third LF - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic - Easy Third LF

Diatonic Harmonicas

$113
Harmonica, Key: low F, Easy-Third key, Allows for considerably...
4.7 AudioFu Score
C.A. Seydel Söhne 1847 Classic - Easy Third LD - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic - Easy Third LD

Diatonic Harmonicas

$113
Harmonica, Key: Low D, Easy-Third key, Allows for considerably...
4.9 AudioFu Score
C.A. Seydel Söhne 1847 Classic - Easy Third A - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic - Easy Third A

Diatonic Harmonicas

$113
Harmonica, Key: A, Easy-Third key, Allows for considerably simplified...
4.4 AudioFu Score
C.A. Seydel Söhne 1847 Classic - Easy Third G - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic - Easy Third G

Diatonic Harmonicas

$113
Harmonica, Key: G, Easy-Third key, Allows for considerably simplified...
4.6 AudioFu Score
C.A. Seydel Söhne 1847 Classic - Easy Third D - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic - Easy Third D

Diatonic Harmonicas

$113
Harmonica, Key: D, Easy-Third key, Allows for considerably simplified...
4.7 AudioFu Score
C.A. Seydel Söhne 1847 Classic - Easy Third C - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic - Easy Third C

Diatonic Harmonicas

$113
Harmonica, Key: C, Easy-Third key, Allows for considerably simplified...
4.3 AudioFu Score
Hohner Steve Baker Major 7 A - Diatonic Harmonicas

Hohner Steve Baker Major 7 A

Diatonic Harmonicas

$86
Harmonica, Key: A, 20 reeds, Rounded edges and Super-Glide finish on the mouthpiece for a...
4.4 AudioFu Score
Hohner Steve Baker Major 7 D - Diatonic Harmonicas

Hohner Steve Baker Major 7 D

Diatonic Harmonicas

$86
Harmonica, Key: D, High-quality, multi-lacquer finish pear wood comb, 20 reeds, Brass...
4.5 AudioFu Score
Hohner Steve Baker Major 7 G - Diatonic Harmonicas

Hohner Steve Baker Major 7 G

Diatonic Harmonicas

$86
Harmonica, Key: G, High-quality, multi-lacquer finish pear wood comb, 20 reeds, Brass...
4.7 AudioFu Score
Hohner Steve Baker Major 7 C - Diatonic Harmonicas

Hohner Steve Baker Major 7 C

Diatonic Harmonicas

$86
Harmonica, Key: C, High-quality, multi-lacquer finish pear wood comb, 20 reeds, Brass...
4.8 AudioFu Score
Hohner Steve Baker Natural Minor H - Diatonic Harmonicas

Hohner Steve Baker Natural Minor H

Diatonic Harmonicas

$86
Harmonica, Key: Natural minor B, 20 reeds, Rounded edges and Super-Glide finish on...
4.4 AudioFu Score
Hohner Steve Baker Natural Minor A - Diatonic Harmonicas

Hohner Steve Baker Natural Minor A

Diatonic Harmonicas

$86
Harmonica, Key: Natural minor B, 20 reeds, Rounded edges and Super-Glide finish on...
4.5 AudioFu Score
Hohner Steve Baker Natural Minor G - Diatonic Harmonicas

Hohner Steve Baker Natural Minor G

Diatonic Harmonicas

$86
Harmonica, Key: Natural minor G, 20 reeds, Rounded edges and Super-Glide finish on...
4.6 AudioFu Score
Hohner Steve Baker Natural Minor D - Diatonic Harmonicas

Hohner Steve Baker Natural Minor D

Diatonic Harmonicas

$86
Harmonica, Key: Natural minor D, 20 reeds, Rounded edges and Super-Glide finish on...
4.5 AudioFu Score
Hohner Silver Star C NEW - Diatonic Harmonicas

Hohner Silver Star C NEW

Diatonic Harmonicas

$21
More precise tuning, "ultra-glide finish" in the blowing area, Includes case with zipper
4.8 AudioFu Score
Thomann Rookie Blues Harmonica G - Diatonic Harmonicas

Thomann Rookie Blues Harmonica G

Diatonic Harmonicas

$7
Harmonica, Thomann Rookie series, Tuning: G major, Richter system, Comb made of...
4.8 AudioFu Score
Fender Blues Deluxe Harp C - Diatonic Harmonicas

Fender Blues Deluxe Harp C

Diatonic Harmonicas

$16
Harmonica, Key: C-major, Chromium plated cover plate, ABS plastic comb, Available also in...
4.5 AudioFu Score
C.A. Seydel Söhne 1847 Classic - Easy Third Bb - Diatonic Harmonicas

C.A. Seydel Söhne 1847 Classic - Easy Third Bb

Diatonic Harmonicas

$113
Harmonica, Key: Bb, Easy-Third key, Allows for considerably simplified...
4.6 AudioFu Score
Bushman Harmonicas Blues Shifter G - Diatonic Harmonicas

Bushman Harmonicas Blues Shifter G

Diatonic Harmonicas

$102
Weight 0.25 kg
Diatonic Harmonica, Tuned in the key of G, Reeds made from 1.5 mm phosphor bronze,...
4.4 AudioFu Score
Lee Oskar Melody Maker High C - Diatonic Harmonicas

Lee Oskar Melody Maker High C

Diatonic Harmonicas

$48
Harmonica, Key: C major, Melody Maker series: Melodic playing becomes easier since...
4.8 AudioFu Score
Suzuki M-20W Manji F - Diatonic Harmonicas

Suzuki M-20W Manji F

Diatonic Harmonicas

$120
Diatonic 10-Hole Harmonica, Key: D, Blues model, Same powerful sound as the Manji M-20 model, but...
4.8 AudioFu Score
Suzuki M-20W Manji E - Diatonic Harmonicas

Suzuki M-20W Manji E

Diatonic Harmonicas

$120
Diatonic 10-Hole Harmonica, Key: E, Blues model, Same powerful sound as the Manji M-20 model, but...
4.3 AudioFu Score
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About Diatonic Harmonicas

Diatonic harmonicas are the workhorse instruments for blues, folk, country, and rock music, offering a portable and expressive way to create soulful melodies and rhythmic accents. They’re designed for playing in a specific key, although bending techniques allow for chromatic exploration. Mastering a harmonica unlocks a unique sonic palette and a deeply engaging musical experience.

Best For
Blues folk country rock improvisation busking songwriting solo performance
What to Look For
Comb material reed profile reed material tuning accuracy overall build quality breath resistance tonal character

Diatonic Harmonicas — Pros & Cons

PROS

  • Highly portable and convenient for travel and spontaneous playing.
  • Relatively affordable compared to many other wind instruments.
  • Offers a uniquely expressive and nuanced tone when mastered.
  • Provides a direct and intimate connection between player and instrument.

CONS

  • Limited to a specific key without specialized techniques.
  • Can be challenging to master bending and other advanced techniques.
  • Susceptible to moisture and require proper cleaning and care.
  • Can be prone to reed damage with aggressive playing styles.

Frequently Asked Questions About Diatonic Harmonicas

Standard harmonicas have single reeds, while tremolo harmonicas have two reeds tuned slightly off-pitch, creating a characteristic shimmering effect.

The comb, or the instrument's body, significantly influences the harmonica's resonance and tone. Materials like plastic, wood, or metal each impart a distinct tonal character.

The key of the harmonica should generally match the key of the song you intend to play. Understanding the song's key and how it relates to the harmonica's key is essential for accurate playing.

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