Shure 520DX "Green Bullet" Harmonica Microphone

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2.10 LBS
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With its signature green and chrome die-cast casing, the 520DX "Green Bullet" holds a spot in history as the definitive blues harp voice.

The 520DX features a volume control knob at the base of the microphone that allows users to make adjustments to suit their needs during live performance. An attached cable with a standard 1/4-inch plug allows the microphone to be connected to a high-impedance device. Contoured to fit perfectly between harmonica and hands, it can also be used for distinct, lo-fi vocals.


  • Omnidirectional pickup pattern
  • Volume control knob allows users to adjust the volume to fit each musical situation
  • Rugged, dynamic cartridge with improved response
  • High-impedance, omnidirectional
  • Supplied with 1/4 inch connector
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Type Dynamic
Frequency Response 100 to 5,000 Hz
Polar Pattern Omnidirectional
Impedance High, unbalanced
Load Impedance Range Minimum: 100 kΩ
Output Level (at 1,000 Hz) Open Circuit Voltage –38.0 dBV/Pa (13 mV)
1 Pa = 94 dB SPL
Polarity Positive sound pressure on diaphragm produces positive voltage on tip with respect to sleeve (ground) of microphone output phone plug connector
Cable 6.1 m (20 ft) two conductor shielded with standard 1/4-inch phone plug attached (supplied wired for high-impedance, unbalanced connection)
Case Green and chrome finished die casting
Dimensions 63 mm (2.5 in) max diameter, 82.6 mm (3 1/4 in) long
Net Weight (with cable) 737 grams (26 oz)

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