Legendary among harmonica players for its classic blues harp sound, the 520D's tradition is carried on by the 520DX "Green Bullet" and has a contoured size and shape that fits perfectly between harmonica and hands.

New volume control knob allows musicians to adjust the volume to fit each musical situation New rugged, dynamic cartridge with improved response High-impedance, omnidirectional Supplied with 1/4 inch connector Frequency response: 100 to 5,000 Hz