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TOA WH-4000H Optional Headset for ER-604W Megaphone or Wireless Microphones

TOA WH-4000H Optional Headset for ER-604W Megaphone or Wireless Microphones

The TOA WH-4000A and the WH-4000H are headset microphones with a cardioid pick-up pattern. The WH-4000A features a sweat-proof design with an adjustable fixing band exclusively designed for aerobics instructors. Both the WH-4000H and WH-4000A are suitable for speech reinforcement applications.


  • Type: Electret condenser
  • Directivity: Unidirectional
  • Sensitivity: -66 dB i3/4 dB (0 dB = 1 V/0.1 pa, 1 kHz)
  • Maximum Input Level: 120 dB SPL
  • Terminal: 3.5 mm plug
  • Cord Length: 1.3 m
  • Finish: Frame; Stainless, black (silicon rubber), Gooseneck; Iron, chrome-plated, black (shrink tube)
  • Weight: 50 g (cable included)
  • Compatible Models: Compact Megaphone ER-604W; or as replacement for headset that comes with UHF wireless microphone WM-5320 or legacy WM-4310

This product was added to our catalog on Wednesday May 23, 2007.

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