Sony UTX-B40/K33 Bodypack Transmitter

• Updated compact and more portable design which is capable of high quality pro audio in the field
• Quick and easy secure Channel Setting with NFC SYNC with one-button operation
• Advanced features including Auto gain mode volume control and +15 dB Boost
• Daylight viewable OLED screen to easily check settings indoors and outside
• Reliable RF transmission and true double tuner diversity reception

Sony UTX-B40 Wireless Bodypack Transmitter Summary

The latest generation UTX-B40/K33 Bodypack Transmitter from Sony is 20% smaller than previous UWP-D models ensuring a lightweight system for added portability. Sony has also added NFC SYNC for quick one-button channel selection and syncing with a receiver. An all-metal construction and daylight viewable OLED screen ensure the UTX-B40 is durable wherever filming takes you, indoors or out. It also captures excellent sound quality with digital processing, reliable RF transmission and true double tuner diversity reception. An ECM-V1BMP lavalier microphone is included with the transmitter.

Features at a glance

• NFC SYNC function for quick and easy secure channel setting
• Auto gain mode volume control
• +15 dB gain volume boost mode for off-mic audio
• Line input
• Daylight viewable OLED display
• Includes ECM-V1BMP lavalier microphone

A new digital audio interface enables direct digital sound recording with many  and  via the . This accessory allows you to bypass A/D and D/A conversion stages to further ensure excellent sound quality.

Sony UTX-B40/K33 Bodypack Transmitter in More Detail

Further features

• High quality sound with Sony digital audio processing
• NFC SYNC function for quick and easy secure channel setting (IR sync capability with , , and  receivers)
• Transmitter frequency sent to receiver for matching multiple receivers to one transmitter
• Variable muting function
• Compatibility with Sony WL-800/UWP/UWP-D series
• USB connector for power supply

Digital audio processing for high quality sound

Sony’s advanced digital audio processing technology assures high quality sound with improved transient response performance.

Simple Channel Setting with NFC SYNC

One-button SYNC on the receiver scans and selects the cleanest channel. Use near-field communication to touch the two devices together for easy syncing.

Reduced Size and Weight

The UTX-B40 Bodypack is around 20% smaller than the previous generation, so you can avoid a bulky wireless system and remain lightweight.

Auto Gain Mode

Auto Gain mode has you covered when you are unsure of the talent’s volume, setting the gain moderately high automatically, then using a limiter to help prevent distortion.

+15 dB Boost for off-mic Audio

The +15 dB boost resets the gain when the microphone is not near the person’s mouth to avoid insufficient audio levels during interviews.

Line Input

Set the appropriate input levels with MIC/LINE switching levels and adjustable attenuators.

Transmitter Frequency Sent to Receiver

It’s easy to set up multiple receivers in combination with one transmitter. NFC communication relays transmitter settings such as frequency and compander mode directly to the receiver.

Headphone Monitor Output

Sound can be monitored directly from the receiver even if the camera doesn’t have a headphone output, the wireless receiver does.

Variable Mute

Pressing the MUTE button silences the audio output from the Transmitter, while the Variable Mute function lets you determine whether the audio is muted for different operating states.

High-Visibility OLED Display

You’ll see operating status instantly and accurately, regardless of whether the unit is being used indoors or outdoors, with the quick response of the OLED display.

USB Power

For long-term use or low-battery emergencies, the transmitter can draw DC power from the USB interface.