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Nady UHF 3 Headset Wireless Microphone System

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Product Description

Nady UHF 3 Headset Wireless Microphone System has state-of-the-art features for the demanding professional on a limited budget.
Featuring the HM3 uniderectional headset mic, Nady UHF3 operates on single frequencies in the wide-open, uncluttered UHF 470 - 510 MHz band. Nady's proprietary companding circuitry provides an industry best 120dB Dynamic Range, and the clearest, most natural sound available. The system utilizes DigiTRU Diversity for maximum range and dropout protection, and provides full LED indicators, 1/4 inch unbalanced and XLR balanced outputs, and special circuitry for noiseless transmitter ON/OFF switching. Other features include a half-rack receiver design with retractable front panel dual antennas, and Tone Squelch for locking out potential interference.

Nady UHF3 wireless headset features

  • Half-rack receiver design with retractable front panel dual antennas
  • UHF band operation for an interference-free performance
  • Proprietary companding circuitry for 120dB dynamic range and natural sound
  • Tone Squelch for locking out potential interference
  • DigiTRU Diversity for maximum range and dropout protection
  • Full LED indicators
  • 1/4 inch (unbalanced) and XLR (balanced) outputs
  • Special circuitry for noiseless ON/OFF switching
  • Mute (squelch) adjust control
  • Powered by AC/DC power adapter
UB3 Bodypack Transmitter
  • Audio mute switch for convenient muting with the transmitter ON
  • Bicolor LED status indicator: ON: Green; Low Battery Alert: Orange
  • Locking 3.5mm mini-jack provides secure cable connection
  • Easily accessible input level adjust control for optimum sound
  • Convenient, economical operation with three AAA Alkaline batteries

Product Specifications
Nady UHF3 Wireless Headset Microphone Specifications

  • Frequency Response: 30 Hz - 18 KHz, +/- 3 dB
  • Dynamic Range: 120 dB
  • Operating Range:
    • Typical: up to 250 ft (depending on site conditions)
    • Line-of-Site: up to 500+ feet
  • Total Harmonic Distortion: < 0.6%
  • RF Carrier Frequency Range: UHF (470-500 MHz options)
  • Frequency Stability: +/- 0.005% (crystal controlled)
  • Modulation: FM (F3E) +/-20KHz normal
  • Reception Mode: DigiTRU Diversity (Dual Antenna)
  • Squelch: External Control, Tone Key (30.720 KHz)
  • Controls:
    • Power ON/OFF
    • Volume Control
    • Squelch (Mute) Adjust
  • Connectors:
    • 1/4 inch output (unbalanced) 360 mV/no load
    • XLR output (balanced) +/-24 mV/600 Ohm load
    • DC in
  • LED Indicators: Power ON, Diversity A/B, Audio Peak
  • Unwanted Signal Rejection: 60dB image and spurious
  • Power Requirements: DC 18V @ 250 mA (AC/DC adapter included)
  • Dimensions: 1.75 x 7.5 x 8.1 inches (44 x 190 x 207 mm)
  • Weight: 1.6 lbs (.73 kg)
  • Antenna: 11.2 inches (28.5 cm), dual telescopic
UB3 Bodypack Transmitter
  • Connector: 3.5 mm locking mini-jack
  • Controls:
    • Power/Mute On/Off
    • 3-way select switch for inputs: instrument, headworn mic or lavalier mic
    • Input Level
  • LED Indicator: Bicolor, ON: Green; Low Battery Alert: Orange
  • RF Power Out: 50mW nominal (maximum allowed by FCC)
  • Harmonic & Spurious Emissions: < -50 dB
  • Battery: AAA Alkaline (2x)
  • Battery Life: 4-5 Hours
  • Dimensions: 3.25 x 2.187 x 1 inches (82.5 x 55.3 x 25.4 mm)
  • Weight: 2.25 oz (0.064 kg) without battery
Consumer Alert!
Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC’s wireless microphone website at

Note:All of the wireless systems that AMS sells comply with the FCC guidelines and regulations.We are presenting this information as a matter of legally required disclosure.

Helpful Info about the Manufacturer
Phone:  510-652-2411 Warranty:  Warranty period is outlined on your included warranty card.
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