Shure
Shure 520DX "Green Bullet" Harmonica Microphone
Best choice for blues harmonica players seeking a classic, gritty tone.
The Shure 520DX, affectionately known as the "Green Bullet," is a legendary dynamic microphone favored by harmonica players, especially in blues music. Its distinctive green and chrome die-cast casing is ergonomically contoured to fit comfortably in your hand and alongside your harmonica. Designed for reliable stage performance, it features an integrated volume control knob for effortless, on-the-fly level adjustments. This high-impedance microphone delivers a unique sound profile, also praised for creating textured LO-FI vocal effects.
$134.00
Owner Satisfaction
4.7
/ 5
Category Rank
193
/ 1735
#193 in Microphones
Price vs Category Average
-74%
Below average
Microphone Type
Dynamic
/ Dynamic
Who it's for
- Blues harmonica players seeking that authentic, gritty, vintage sound
- Harp players needing a comfortable, ergonomic grip for tonal control
- Touring musicians requiring gear that survives demanding live performance schedules
Who should skip it
- Vocalists or instrumentalists looking for a versatile, multi-purpose studio microphone
- Performers lacking the specific hardware for high-impedance signal management
- Musicians playing in loud environments prone to high-volume feedback issues
Performance breakdown
Harmonica Ergonomics
Contoured die-cast casing fits perfectly in the palm for cupping techniques.
Blues Tone Character
Delivers the quintessential gritty, compressed sound iconic to Chicago blues.
Build Durability
Rugged construction withstands the rigors of constant stage use and travel.
On-the-fly Control
Integrated volume knob allows for immediate level adjustments during live sets.
Lo-Fi Versatility
Unique frequency response creates textured, vintage vocal effects with ease.
Connectivity Convenience
Attached cable simplifies setup but limits options for custom cable swaps.
Key Specs
Microphone Type
Dynamic
Polar Pattern
Omnidirectional
Frequency Response
100Hz-5kHz
Output Impedance
1k ohm
Weight
1.62 lbs.
Connector
1/4"
Build Material
Green and chrome die-cast casing
Model Number
520DX
Features
- Integrated volume control for quick adjustments
- Rugged dynamic cartridge with improved response
- Contoured die-cast casing fits comfortably
- High-impedance, omnidirectional pickup
- Attached 1/4 inch cable for easy connection
- Trusted performance for harmonica players
- Creates LO-FI vocal textures
What customers say
The Shure 520DX remains the definitive microphone for achieving classic, gritty amplified harmonica tone. Users consistently praise its high impedance element for naturally driving tube amps into desirable distortion, delivering essential sonic character that cuts through any mix. Beyond its sound, the build quality is highly regarded; the rugged zinc casing ensures exceptional durability for demanding use. While the iconic shape is beloved, some players note minor ergonomic challenges during extended cupping. Furthermore, integrating this high impedance mic into modern PA systems sometimes requires specific adapters. Despite these minor integration considerations, the consensus confirms the 520DX is the undisputed benchmark for vintage amplified harp sound.
Know before you buy
No, the 520DX features a 1/4-inch connector designed for high-impedance instrument inputs, such as those found on guitar amplifiers. To connect it to a standard XLR mixer or interface input, you will likely need an impedance-matching transformer.
While primarily designed for harmonica, the 520DX is frequently used to achieve a gritty, compressed 'lo-fi' vocal effect. It is not intended for high-fidelity vocal reproduction, but it is an excellent tool for adding character and vintage texture to your recordings.
Yes, adjusting the volume knob on the 520DX can subtly alter the impedance load seen by your amplifier, which can change the saturation and grit of the sound. It is a useful feature for shaping your tone while you play without needing to touch your amp.
Because it is an omnidirectional mic, it is more prone to feedback than a directional stage mic. However, because the 520DX is designed to be cupped tightly in your hands along with the harmonica, the player effectively creates a controlled, isolated environment that minimizes feedback issues.
The microphone weighs approximately 1.62 lbs (735 grams). While the die-cast casing is rugged and durable, its weight is noticeable, so it is best suited for players who prefer a substantial, solid feel in their hand.
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