Nady U-41 QUAD 4-Channel UHF Wireless Microphone System (Channel 14, 16, 10, & 12)

Nady U-41 QUAD 4-Channel UHF Wireless Microphone System (Channel 14, 16, 10, & 12)

Nady U-41 QUAD 4-Channel UHF Wireless Microphone System (Channel 14, 16, 10, & 12)

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Nady U-41 QUAD 4-Channel UHF Wireless Microphone System (Channel 14, 16, 10, & 12)

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  • 1Description

The Nady U-41 QUAD 4-Channel UHF Wireless Microphone System includes a U-41 QUAD Receiver, two UH-4 Handheld Microphone Transmitters, two UB-4 Bodypack Transmitters, two LM-14/O Lavalier Microphones, and a 16.5VDC / 0.4A adapter. The system offers a clear and natural sound. It delivers 4 discrete channels in the 902 to 928 MHz and 944 to 952 MHz bands for interference-free performance in any application or locale. It also features Nady’s proprietary companding and low-noise circuit for a 120 dB dynamic range.

The U-41 QUAD UHF Receiver has built-in brackets for rackmounting. The included antennas can be installed by connecting them to the two RF BNC connectors located on the left and right front of the receiver. The optimal position of the antennas is 90° from the receiver and for maximum range, it is always best to maintain a line of sight between the receiver antennas and the transmitter. The U-41 features volume controls on each channel with XLR microphone level (balanced) and 1⁄4” line level (unbalanced) outputs, and an external adjustable mute control for each channel.

The U-41 QUAD Receiver features Nady’s Tone Squelch circuit for professional use and for anyone who needs advanced protection against RF interference during a recording, performance, or presentation. This feature is strongly recommended for situations where the transmitter is turned on or off during use. With Tone Squelch circuit, an unwanted signal, which may enter your inactive receiver, will not be amplified by your connected equipment even if the receiver is left on with the transmitter switched off. The Tone Squelch prevents a pop or disruptive noise from your sound system. The receiver detects a specific tone code signal from your transmitter, which unlocks your receiver’s audio. In this manner, only your own modulated signal can then be heard.

The UH-4 Handheld Transmitters and UB-4 Bodypack Transmitters are all powered by single alkaline 9-volt batteries and feature off / mute / on switches for ease of use, as well as input level trim controls for optimum sound output. LM-14/O Lavalier Microphones are included for use with the bodypacks. Optional headworn mics and instrument cables (sold separately) can also be used with the bodypacks. Input selector switches located under the cover on the circuit board allow the user to select the type of audio input that will be supplied to the bodypack transmitter to set the proper mode for operation.

U-41 QUAD Receiver

Four discrete UHF wireless receivers in a single rugged 19" 1U, all-metal rackmount housing
Back panel features balanced XLR microphone level output, unbalanced 1/4" jack line level sum output with separate volumes, and external adjustable mute control for each channel
Front panel LED display indicates transmitter on and AF levels bar graph for each channel and dual removable antennas
Nady's companding circuitry and high-quality audio for an unsurpassed UHF performance with 120 dB dynamic range
Operates on UHF frequencies in the 902 to 928 MHz and 944 to 952 MHz bands
Tone Squelch circuitry for protection from RF interference
Externally powered with DC adapter (16.5VDC / 0.4A) included

UH-4 Handheld Microphone Transmitter

Nady DM-10D neodymium cartridge delivers transparent vocals, maximum feedback rejection, and minimal handling noise
Off / mute / on switch for ease of use
Screw-on battery compartment for quick pop-in battery replacement
Uses standard 9V alkaline battery
Single LED indicator flashes once for unit on; lights steady for low-battery alert
Input level control for optimum sound adjustment
Rugged ABS housing with integral antenna

UB-4 Bodypack Transmitter

Compact bodypack with screw-on jack for lavalier microphone input
Off / mute / on switch for ease of use
Sliding battery compartment for quick pop-in battery replacement
Uses standard 9V alkaline battery
Single LED indicator flashes once for unit on; lights steady for low-battery alert
Input level control for optimum sound adjustment (LT and HM)
Rugged ABS housing with external antenna
UPC: 634343276985
In the Box
Nady U-41 QUAD 4-Channel UHF Wireless Microphone System (Channel 14, 16, 10, & 12)
  • U-41 QUAD UHF Receiver
  • 2 x UH-4 Handheld Microphone Transmitter
  • 2 x UB-4 Bodypack Transmitter
  • 2 x LM-14/O Omnidirectional Lavalier Microphone
  • 2 x Antenna
  • 16.5VDC / 0.4A Adapter
  • Limited 1-Year Warranty on Parts & Labor
  • Table of Contents
    • 1Description
    Frequency Response 30 Hz to 18 kHz, -3 dB
    Dynamic Range 120 dB
    THD <0.5%, normal
    RF Carrier Frequency Range Factory installed channels between 902 to 928 MHz and 944 to 952 MHz
    Frequency Stability ±0.005% crystal controlled
    Modulation FM
    ±20 kHz normal
    ±50 kHz maximum
    Frequency TSQ: 32.768 kHz
    Channel Frequency Channel 14: 906 MHz
    Channel 16: 911.7 MHz
    Channel 10: 944.2 MHz
    Channel 12: 947.3 MHz
    Operating Range Normal: 250.0' (76.2 m)
    Maximum: Up to 500.0' (152.4 m) line of sight
    Controls Power on / off buttons
    Volume / mute controls
    Audio Output Level Unbalanced Sum Output: 360 mV variable level
    Balanced outputs: ±24 mV fixed level
    Connectors Balanced: XLR
    Unbalanced: 1/4" TS
    DC In: 2.1 mm barrel type
    Indicators Power on, TX, and AF LEDs
    Mute Threshold: -65 to -95 dBm (adjustable)
    Image Rejection 70 dB, minimum
    Power Requirement 16.5 VDC / 0.4 A
    Antennas 4.0" (10.2 cm) dual telescopic antennas
    Dimensions (W x D x H) 17.00 x 6.25 x 1.75" (43.18 x 15.88 x 4.45 cm)
    Weight 4.1 lb (1.9 kg)
    Type UH-4 Handheld and UB-4 Bodypack Transmitters
    RF Output Power +14 dBm (25 mW normal)
    +17 dBm (50 mW maximum allowed by FCC)
    Harmonic & Spurious Emissions -50 dBc normal
    Antenna Type UH-4: Integral
    UB-4: External permanent attached
    Controls Transmitter on / mute / off switch
    Audio input level control (LT / HM)
    Audio Input Level UH-4: 24 mV
    UB-4: 75 mV
    Input Impedance UH-4: 3.3 kΩ
    UB-4: 2 kΩ
    Connector UB-4: 3.5 mm locking jack
    Indicators Power and low battery LEDs
    Battery Type 9 V alkaline or rechargeable battery
    Battery Life 8 to 10 hours normal
    Dimensions UH-4 (L x D): 9.5 x 2.0" (24.1 x 5.1 cm)
    UB-4 (W x D x H): 2.50 x 4.25" x 1.00 (6.35 x 10.80 x 2.45 cm)
    Weight Without Batteries:
    UH-4: 6.6 oz (187.0 g)
    UB-4: 3.1 oz (88.0 g)
    Packaging Info
    Package Weight 7.55 lb
    Box Dimensions (LxWxH) 20.5 x 10.0 x 4.8"

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