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Nady 401X Wireless Quad
4 Channel Top Professional No-Nonsense VHF Wireless System


  • A professional wireless system with state-of-the-art PLL UHF performance with operation up to 300 feet line-of sight
  • Proprietary companding and low-noise circuitry for an amazing 120dB dynamic range
  • Four discrete VHF wireless receivers in a single rugged 19” 1U, all-metal rack mount housing
  • (4) Durable WHT-15 Handheld Transmitters with proprietary DM-10D Microphone Cartridge which provides rich a low-end and crisp high-end EQ spectrum. Optimized for the most demanding applications
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SKU: 401X Categories: ,


  • Front dual antenna jacks for either onboard or remote antennas
  • Front panel Power On/Off switch, plus Power On LED, TX On and AF signal level LED displays
  • Rear panel individual XLR output jacks; volume and RF mute controls for each of the four channels; 4-channels-mixed AF out ¼” phone jack
  • Noise-free transmitter On/Off operation
  • High performance—unmatched transparent audio with 120 dB dynamic range and up to 250+ ft. optimum line-of-sight operation
  • Choice of three transmitters: WLT/WGT, WHT, or WPM-1V. Four transmitters (any combination) can be operated simultaneously on the four different channels


WLT/WGT Bodypack Transmitters

  • Choice of instrument, Headmic™ or lapel microphone bodypack transmitter for use with LM-14O omnidirectional or LM-14U unidirectional lapel microphone or Headmic™ Series headworn microphones
  • Off/Standby/On switch allows convenient audio muting with the transmitter on
  • Input level adjust
  • Locking 3.5mm jack
  • LED status indicator flashes once for unit on, lights steady for low-battery alert

WHT Handheld Microphone Transmitter

  • Operates on a separate single frequency in the VHF 170-216MHz band
  • Features the Nady DM-10D unidirectional neodymium dynamic cartridge for optimum true sound, maximum feedback rejection and minimal handling noise
  • Off/Standby/On switch allows convenient audio muting with transmitter on
  • Low-battery LED indicator flashes once for Unit On; lights steady for low-battery alert
  • Uses one 9V alkaline battery for 15+ hours operation


WPM-1V Podium Microphone Transmitter

  • 12 standard frequencies between 170~216MHz
  • Ideal for desktop conferencing
  • Simple setup with no cumbersome cabling required between mic and amplifier—the cleanest, simplest possible installation
  • Top performance indistinguishable from the best hardwired podium microphones
  • Superior, clear audio for best possible communication
  • Up to 200 ft. ultra reliable reception range for maximum versatility and operating ease in any application
  • Up to eight WPM-1V systems (all on different frequencies) can be operated simultaneously—up to 14 total if combining VHF and UHF systems

Operating Frequency Range: 170-230MHz (VHF, Quad Band)
Frequency Response: 20Hz-20kHz, -3dB
¬Dynamic Range: 120dB
Frequency Stability: +/-0.005% Crystal Controlled
Modulation: FM +/-20kHz normal, +/-50kHz maximum
Operating Range: Up to 150ft. typical; up to 300ft.

Controls: Power ON/OFF buttons, Volume/Mute Controls
Connectors: 1?4-inch Unbalanced Output, XLR Balanced Output, DC In
Indicators: Power “ON” LED, 4 AF LED, 4 TX “ON” LED
Mute Threshold: -65dBm to -95dBm (Adjustable)
Image Rejection: 70dB
Power Requirement: 16.5VDC/0.4A
Antennas: 4.0” (Dual Telescopic Antennas)
Dimensions: 1.75” x 7.5” x 16.5”
Weight: 4lbs

Cartridge: Nady DM-10D Neodymium (Unidirectional)
Controls: Power/Mute On/Off
LED Indicator: Unit "ON" (Single Flash Red), Low Battery Alert (Continuous Red)
RF power out: 50mW
Battery Type: 9V Alkaline
Battery Life: 8-10 hours
Dimensions: 9.5"H X 1.4"W
Weight: 6.9oz
California customers: Proposition 65 WARNING