Nady UHF-4 UHF Wireless Lavalier Microphone System, Includes UHF-4 Receiver, UB-4 Bodypack Transmitter, 2 Antennas, Power Supply, Group 11


About Nady UHF-4

The Nady UHF-4 UHF Wireless Lavalier Microphone System (Group 11) incorporates stable UHF reception in a cost effective package for DJs, presentations, houses-of-worship, karaoke and much more. The UHF-4 avoids the crowded VHF bandwidth, resulting in low noise and fewer drop-outs. The system is straightforward and easy to operate, with the UB-4 bodypack transmitter and UHF-4 receiver. The UB-4 bodypack includes a lavalier microphone for hands-free speech during presentations, sermons, performances and more. The receiver features DigiTRU diversity technology for stable reception.

Nady UHF-4 Features

  • Unprecedented value in a full-featured, single-channel UHF wireless mic system
  • Interference-free operation in any application or locale on select UHF frequencies
  • Half-rack receiver design with folding front panel dual antennas
  • Unique snap-out panel locking tabs for optional single receiver rack mounting
  • Tone Squelch for locking out potential interference
  • Nady's proprietary companding circuitry for an industry-best 120dB dynamic range and the clearest, most natural sound available
  • UHF-4 receiver with DigiTRU Diversity for maximum range and dropout protection; full LED indicators; ¼" unbalanced and XLR balanced outputs; special circuitry for noiseless transmitter On/Off switching.
  • UB-4 Bodypack Transmitter: Lavalier mic operating modes in a single bodypack transmitter
  • UB-4 Bodypack Transmitter: Off/Standby/On switch allows convenient audio muting while transmitter on
  • UB-4 Bodypack Transmitter: Status LED indicator flashes once for Unit On; lights steady for low-battery alert
  • UB-4 Bodypack Transmitter: Locking 3.5mm mini-jack provides secure connection for removable microphone or instrument cable
  • UB-4 Bodypack Transmitter: Easily accessible Input Level Adjust for optimum sound (HM/LT operating modes only)
  • UB-4 Bodypack Transmitter: Uses a single 9V alkaline or NiMH battery

Nady UHF-4 Specifications

Frequency Response
30 Hz - 18 KHz, +/- 3 dB
Dynamic Range
120 dB
Total Harmonic Distortion
< 0.6%
RF Carrier Frequency Range
UHF, choice of single frequencies within separate bands 902-928 and 944-952 MHz
Group 11
Frequency Stability
+/- 0.005%, crystal controlled
FM (F3E), +/-20KHz normal
Operating Range
Up to 250 ft. typical (depending on site conditions); up to 500+ feet optimum line-of-sight
UHF-4 Receiver: Reception Mode
DigiTRU Diversity (Dual Antenna)
UHF-4 Receiver: Squelch
External Control, Tone Key (30.768 KHz)
UHF-4 Receiver: Controls
Power ON/OFF, Volume Control, Squelch (Mute) Adjust
UHF-4 Receiver: Connectors
DC in, 1/4"(6.3 mm) unbalanced phone jack (360 mV/no load), XLR balanced output (+/-24 mV/600 Ohm load)
UHF-4 Receiver: LED Indicators
Power ON, Diversity A/B, Audio LED Bars + Peak
UHF-4 Receiver: Signal Rejection
60dB image and spurious
UHF-4 Receiver: Power Requirements
DC 15V @ 300 mA, AC/DC adapter included
UHF-4 Receiver: Antenna
3.5" (9.0 cm), dual telescopic
Type of Microphone
UB-4 Bodypack Transmitter: Audio Inputs
3.5mm locking mini-jack, switchable inputs: lavalier mic
UB-4 Bodypack Transmitter: Controls
Power/Standby/Off, Instrument /Headworn Mic /Lav Mic, Input Level
UB-4 Bodypack Transmitter: LED Indicator
Single color (red), Unit "ON" (single flash red), Low Battery Alert (steady red)
UB-4 Bodypack Transmitter: RF Power Out
50mW nominal (maximum allowed by FCC)
UB-4 Bodypack Transmitter: Emissions
Harmonic & Spurious: < -50 dB
UB-4 Bodypack Transmitter: Battery
9V Alkaline
UB-4 Bodypack Transmitter: Battery Life
10 Hours
UB-4 Bodypack Transmitter: 4.25 x 2.5 x 1.0" / 10.79 x 6.35 x 2.54cm
UHF-4 Receiver: 1.75 x 7.5 x 8.1" / 4.4 x 19.0 x 20.6cm
UB-4 Bodypack Transmitter: 3.1 oz (87.8 g) without battery
UHF-4 Receiver: 0.9 lbs / 0.41 kg
Share this item: is top rated for customer serviceHACKER SAFE certified sites prevent over 99.9% of hacker crime.