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Sony UTX-B40 - User Manual

Sony UTX-B40
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UHF Wireless Microphone Package
UHF Synthesized Transmitter
UHF Synthesized Wireless Microphone
UHF Synthesized Diversity Tuner
Operating Instructions
Before operating the unit, please read this manual thoroughly
and retain it for future reference.
UWP-D21/D22/D26/D27
UTX-B40
UTX-M40
UTX-P40
URX-P40
URX-P41D
5-042-114-11 (1)
© 2022 Sony Corporation

Table of Contents

Questions and Answers

  • D
    Darlene WrightSep 8, 2025
    Why the transmitter channel cannot be set with infrared transmission on Sony Microphone system?
    • M
      Melissa SmithSep 8, 2025
      If you cannot set the transmitter channel with infrared transmission on your Sony Microphone system, reduce the distance between the infrared receptor on the transmitter and the infrared transmission port on the tuner to within about 20 cm (8 in.). Also, place the transmitter and tuner as close to each other as possible to avoid interference from other devices or direct sunlight.
  • M
    Mark TranAug 22, 2025
    Why is there sound interruption or noise in my Sony Microphone system?
    • S
      Samantha HayesAug 22, 2025
      If you're experiencing interruption or noise with your Sony Microphone system, ensure that the channel setting on both the transmitter and tuner are the same. Also, avoid using two or more transmitters on the same channel. Refer to the frequency list on the provided CD-ROM to reconfigure the channel on each transmitter. The channel plan is set so that no signal interference occurs when two or more transmitters are used simultaneously. Set each transmitter to a different channel within the same channel group. Use channels separated by at least two channels (250 kHz).
  • R
    Renee HendersonSep 6, 2025
    Why does the RF indicator light up when the transmitter is off on my Sony Microphone system?
    • D
      Donald DavisSep 6, 2025
      If the RF indicator on the tuner of your Sony Microphone system lights up even when the transmitter is off, jamming radio waves are being received. Set the channel on the tuner to one where the RF indicator doesn't light up, or use the Clear Channel Scan function to switch to a channel without interference. Then, set the transmitter to the same channel as the tuner. If using multiple transmitters, switch to a channel group that isn't affected.
  • J
    jamesstewartSep 4, 2025
    What to do if Sony Microphone system does not turn off?
    • A
      Adam KnoxSep 5, 2025
      If your Sony Microphone system does not turn off, release the locked status in the POWER LOCK menu. Alternatively, if the unit is set so that power cannot be turned on/ off using the POWER/MUTE button, set the POWER/MUTE menu to POWER/MUTE, or turn the unit off using the POWER button.
  • D
    dreevesSep 3, 2025
    Why do the batteries become drained quickly on Sony Microphone system?
    • A
      Andrew PetersonSep 3, 2025
      If the batteries in your Sony Microphone system are draining quickly, replace them with new ones. Use alkaline batteries instead of manganese, as alkaline batteries last more than twice as long. Be aware that batteries drain faster in cold conditions.
  • J
    Jennifer OsborneSep 2, 2025
    How to troubleshoot a Sony Microphone system that does not turn on?
    • A
      Amber WhiteSep 2, 2025
      If your Sony Microphone system doesn't turn on, make sure the batteries are inserted with the correct polarity. Replace the batteries if they're low. Clean the battery terminals and the compartment with a cotton swab if they're dirty. If POWER SOURCE is set to BATT ONLY, ensure batteries are inserted.
  • J
    Joshua Moore DDSAug 31, 2025
    What to do if the sound is distorted on Sony Microphone system?
    • W
      Wyatt WilliamsSep 1, 2025
      If the sound from your Sony Microphone system is distorted, the attenuation level on the transmitter might be too low or set to 0; adjust it so the audio isn't distorted. Change the GAIN MODE setting if it's set to 15dB BOOST. The channel settings on the transmitter and tuner should match. Ensure you're using headphones with a stereo mini jack, not a monaural one.
  • K
    kmorrisAug 30, 2025
    Why is the sound so weak on my Sony Microphone system?
    • A
      Angela AguirreAug 30, 2025
      If the sound from your Sony Microphone system is weak, the attenuation level on the transmitter might be too high; adjust it to an appropriate level. Also, check the volume on the amplifier or mixer and adjust it accordingly. Ensure the transmitter is set to microphone input, not line level. The compander mode setting on the transmitter should match the one on the tuner.
  • C
    Courtney CooperAug 29, 2025
    Why is the noise louder when connected with SMAD-P5 on my Sony UTX-B40 Microphone system?
    • P
      penachristopherAug 29, 2025
      To resolve the issue of louder noise when connected with SMAD-P5 compared to the XLR-BMP conversion output cable on your Sony Microphone system, adjust the reference input level and reference recording level of the camcorder, or adjust the OUTPUT LEVEL on the tuner to set the appropriate audio level.
  • W
    watkinscynthiaAug 27, 2025
    What to do if there is no sound from my Sony UTX-B40?
    • W
      wintersstevenAug 27, 2025
      If there is no sound from your Sony Microphone system, verify that the channel setting is the same on both the transmitter and tuner. Confirm that the transmitter is on and reduce the distance between the transmitter and tuner. Ensure the transmitter is set to microphone input, not line level. The compander mode setting must be the same on both devices. Check if the transmitter is muted and release it by pressing the POWER/MUTE button. Review the MUTE SETTING menu and audio output connector settings. If using the SMAD-P5, ensure the Analog/Digital switch is correctly set. For microphones connected to the MIC INPUT, configure the microphone setting in the MIC SELECT menu to match the microphone type.

Summary

Package Configurations

UWP-D21 Package Details

Details the components included in the UWP-D21 wireless microphone package.

UWP-D22 Package Details

Details the components included in the UWP-D22 wireless microphone package.

UWP-D26 Package Details

Details the components included in the UWP-D26 wireless microphone package.

UWP-D27 Package Details

Details the components included in the UWP-D27 wireless microphone package.

Features

UWP-D21 Features

Highlights key features of the UWP-D21 wireless microphone package.

UWP-D22 Features

Highlights key features of the UWP-D22 wireless microphone package.

UWP-D26 Features

Highlights key features of the UWP-D26 wireless microphone package.

UWP-D27 Features

Highlights key features of the UWP-D27 wireless microphone package.

Name and Function of Parts

Body-pack Transmitter (UTX-B40) Parts

Identifies and describes the parts of the UTX-B40 body-pack transmitter.

Hand-held Microphone (UTX-M40) Parts

Identifies and describes the parts of the UTX-M40 hand-held microphone.

Plug-on Transmitter (UTX-P40) Parts

Identifies and describes the parts of the UTX-P40 plug-on transmitter.

Portable Diversity Tuner (URX-P40) Parts

Identifies and describes the parts of the URX-P40 portable diversity tuner.

Portable Diversity Tuner (URX-P41 D) Parts

Identifies and describes the parts of the URX-P41D portable diversity tuner.

Power Supply

Battery Insertion Procedure

Step-by-step guide for inserting batteries into transmitters and tuners.

USB Power Supply

Details how to supply power using a USB connector for compatible devices.

Operation

Initial Setup and Pairing

Guide to connecting, powering on, and pairing via NFC SYNC.

Handling Noise and Interference

Steps to resolve noise issues and prevent interference.

Tuner Settings

Menu Structure and Operation

GP;CH (Group;Channel) Select

Selects the group and channel for the tuner.

PHONES (Monitor Audio) Setting

CLR CH SCAN (Clear Channel Scan)

ACT CH SCAN (Active Channel Scan)

OUTPUT LEVEL Setting

SYNC RX->TX (NFC Communication)

Transfers tuner settings to transmitter via NFC.

SYNC TX->RX (NFC Communication)

Reflects transmitter settings on tuner via NFC.

POWER SOURCE Setting

COMPANDER Setting

BATTERY TYPE Setting

FCT RESET (Factory Default)

UTILITY Menu (URX-P41 D)

UTILITY Menu Functions

Adjusting Monitor Audio Level (PHONES)

Setting Audio Output Level (OUTPUT LEVEL)

RX1;2 Menu (URX-P41 D)

Selecting Group;Channel (GP;CH)

Searching Available Channels (CLR CH SCAN)

Configuring Transmitter Settings (SYNC RX1(2)->TX)

Transfers tuner settings to transmitter via NFC or IR.

Transmitter Settings

Transmitter Menu Structure

Setting Transmit Channel (GP;CH)

Procedure for setting the group/channel on the transmitter.

Adjusting Audio Input Attenuation (ATTENUATOR)

Setting Audio Gain (GAIN MODE)

Setting Low-Cut Filter (LCF)

Switching Audio Input Level (INPUT LEVEL)

Setting Transmit Output Level (RF POWER)

Microphone Drive Power Supply (+48 V SUPPLY)

Audio Muting Function (MUTE SETTING)

Audio Muting;Power Function (POWER;MUTE)

Setting Compander Mode (COMPANDER)

Setting Battery Type (BATTERY TYPE)

Restoring Factory Default Settings (FCT RESET)

System Configuration Example

Camcorder Integration Examples

Troubleshooting

Power, Channel, and Battery Issues

Troubleshooting steps for power, channel selection, and battery problems.

Audio and Distortion Issues

Resolving issues related to sound quality, distortion, and input levels.

Noise and Interference Issues

Addressing noise, interference, and weak signal issues.

Sony UTX-B40 Specifications

General IconGeneral
Frequency Step Size25 kHz
MutingYes
Line Level InputYes
RF Bandwidth72 MHz
Channel SelectionAuto Scan, Manual
Audio Input Connector3.5mm mini-jack
Power Source2 x AA batteries
Battery TypeAA
Battery LifeUp to 10 hours
Operating Temperature-10°C to +50°C
Storage Temperature-20°C to +60°C
Gain Range-12 dB to +36 dB
Display & IndicatorsLCD display, battery indicator, RF/Audio indicators

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