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Earthworks WL40V Wireless Microphone Capsule

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40kHz wireless vocal microphone capsule.

Engineered to deliver studio quality performance to the wireless world, the hand-tuned WL40V wireless microphone capsule features fast impulse response, wide frequency response and high SPL handling. It excels at distance capture, making it ideal for broadcast, corporate and live performance applications.

Its near-perfect hypercardioid polar response and 30Hz–40kHz extended flat frequency response translate to a natural on and off-axis performance coupled with benchmark levels of sonic clarity and presence. The capsule's ultra-fast impulse response delivers a highly accurate reproduction of the nuanced details of vocals.

Interchangeable with any screw-on-type handheld transmitters that receive a 31.3 mm/pitch 1 mm threading, the electret-based WL40V works with transmitters from Lectrosonics, Line 6, Shure and Sony. Its circuitry has been specifically hardened for use with 2.4gHz wireless systems, which frequently exhibit noise with electret-based capsules, making it an ideal replacement capsule for those systems.


  • Frequency range spanning from 30Hz–40kHz
  • Hand-tuned and tested
  • Interchangeable with any screw-on-type handheld transmitters that receive a 1.25"/28 thread pitch (31.3 mm/pitch 1 mm threading)
  • Delivers detailed and realistic vocal sound that requires little to no EQ
  • Natural on and off-axis performance
  • Benchmark levels of clarity and detail
  • Hardened against 500mHz and 2.4gHz
  • More gain before feedback
  • Excels at distance capture

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WL40V Wireless Microphone Capsule Specifications:

  • Frequency Response: 30Hz–40kHz
  • Polar Pattern: Hypercardioid
  • Sensitivity: 3mV/Pa
  • Power Requirements: 3V @ 1.15mA to 12V @ 4.27mA using second and outer ring on 3-ring concentric connector
  • Max Acoustic Input: 135dB SPL at 5V
  • Output Impedance: 300 ohm, unbalanced (center & outer ring)
  • Noise: 22dB SPL equivalent (A weighted)
  • Threads: 1.25"/28 thread pitch (31.3 mm/pitch 1 mm threading)
  • Dimensions L x D: 3.7" (93.98 mm) 1.93" (49 mm) max diameter and 1.46" (37 mm) min. diameter
  • Weight: .2 lb. (90 g)

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