Product Code: 3038398

Sony UTX-B40/K42 UWP-D belt pack transmitter

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Finance options available

Spread the cost over 12, 24 or 36 months
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Compact, wireless, and lightweight, the Sony UTX-B40/K21 UWP-D belt pack transmitter is engineered to provide you with exceptional audio output. Equipped with a proprietary digital audio processing technology, this versatile transmitter is capable of producing transient and consonant sounds with greater accuracy. Offering durable performance is the robust metal chassis.

Sony UTX-B40/K42 UWP-D belt pack transmitter Key Features:

  • UHF Transmission technology promises excellent sound quality
  • Capable of producing transient and consonant sounds with clarity and accuracy
  • Lavalier mic is optimised to capture clear and intelligible speech
  • Omnidirectional capsule ensures a 360° sound pickup with natural clarity
  • NFC Sync mode scans and connects with the cleanest RF channel
  • Switchable mic input level for the desired gain level of your sound source
  • Low cut filter helps eliminate background noises such as air and vocal plosives
  • Low cut filter helps eliminate background noises such as air and vocal plosives
  • Sends a single microphone to work with multiple cameras for broadcasting applications
  • Auto-gain mode prevents sound distortions even at loud noises
  • Equipped OLED display offers sharp text for easy readability and menu navigation
  • Offers up to eight hours of uninterrupted battery backup for prolonged performance
  • Built-in DSP filters help remove artefacts caused by the sensors
  • Can be powered by a USB cable with a power bank for longer operations
  • Allows operating up to 16 microphones in one location

Expanded Sony UTX-B40/K42 UWP-D belt pack transmitter Key Features:

Exemplary Performance

Equipped with the proprietary UHF transmission technology with built-in digital sound processing, this versatile sound transmitter reproduces crisp quality sound from a variety of sources. It can handle transient sounds and consonants with higher accuracy and clarity, rewarding you with transparent and natural sound. In addition to this, the UTX-B40 has a lavalier microphone that is optimised to reproduce clear and intelligible speech, allowing you to use it during performance and broadcasting applications. Also, this transmitter features an omnidirectional polar pattern, which offers sound pick up from all directions, affording you versatile positioning.

Proprietary Modes

With NFC automatic sync mode, this professional sound transmitter scans for the cleanest RF channel and automatically connects to it. The quick NFC communication allows for instant setup with multiple transmitters, saving you the configuration time. It further allows you to send a single mic to multiple cameras for broadcasting applications. Adding to its versatility is the auto-gain mode, which sets and manages the input level on the transmitter. There is a Gain Boost mode that increases the gain boost by 15 dB to compensate for sound loss, especially when the sound source is not close to the transmitter.

Dual Power Options

Another great aspect of the Sony UTX-B40 transmitter is its dual powering options. With a pair of AA batteries (Not Supplied), this transmitter offers uninterrupted performance for up to eight hours. In addition, there’s a USB port on this device, enabling you to connect it with a power bank or direct power source with a USB cable, facilitating longer operations. Furthermore, there’s a battery count-up timer installed on this device that displays the battery running time for efficient use.

Impressive Features

The Sony transmitter features a small OLED display that shows crucial information while also enabling easy navigation. Plus, there is a switchable mic input level so you can set the gain to the desired level. Additionally, there is a dedicated muting button, allowing you to mute whenever required. And the transmitter allows for use with up to 16 microphones in a single location. There is a low cut filter too, which helps diminish air sounds and vocal plosives. You can also choose between low, mid, and high frequency.

What's in the box?

  • 1 x Sony UTX-B40/K42 UWP-D belt pack transmitter
  • 1 x Windscreen
  • 1 x Mic Clip
  • 1 x Belt Clip
  • Limited 1-Year Warranty


How much sound is increased by the volume boost mode?

The Gain Volume-Boost mode on this transmitter increases the gain by 15 dB, allowing you to capture clear audio from distant sound sources or when the sound volume is not sufficient.

Can this transmitter send a signal to multiple receivers simultaneously?

This transmitter allows you to work with up to 16 microphones in a single location. Also, you can send a single mic to multiple cameras during broadcasting applications.

Is this transmitter supplied with AA batteries?

Unfortunately, this transmitter is not supplied with AA batteries. You have to purchase them separately to operate the device. You can also use a USB cable to power this device with a power bank.

Which polar pattern is featured by the mic of the Sony Sony UTX-B40?

This device features the omnidirectional polar pattern, which promises a 360° sound pickup, affording easy positioning of the mic.

Is there a sound filter on this device?

There is a low cut filter on this device, which allows you to eliminate undesired background noises and sounds. You can choose between Off / Low (100 Hz), Mid (150 Hz), or High (200 Hz).

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Product Specification

Included Accessories 1x UTX-B40 Transmitter
Lavalier Mic Included ECM-V1BMP Lavalier Microphone
Transmitter Antenna 638.125-697.875MHz
Transmitter Input Connection 3.5mm Diameter 3-Pole Locking Mini Jack
Transmitter Power Source 2x LR6/AA Alkaline Batteries
Manufacturers Link Sony
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Your flexible credit options available

Interest Bearing

with a choice of repayment plans over 12, 24 or 36 months 9.9% APR (representative)

Buy now pay later

36 month loan with a six month deferral period, 18.9% APR (representative)

Interest Bearing Finance

This option comprises term loan with a choice of repayment plans over:

  • 12 months
  • 24 months
  • 36 months

The balance of the finance agreement is payable directly to Novuna Consumer Finance in equal monthly instalments by monthly direct debit. The direct debit payments will commence at the end of the first month following receipt of your goods. The interest rate charged is 9.9% APR. Late payment and early repayment penalties apply; full details of these will be provided in the loan agreement pack.

  12 Months 24 Months  36 Months 
Cash price  £317.00  £317.00  £317.00
Deposit £0.00 £0.00 £0.00
Loan Amount £317.00 £317.00 £317.00
Monthly Instalment 11 x £27.79 23 x £14.55 35 x £10.15
Final Instalment £27.79 £14.55 £10.15
Total Amount Repayable £333.48 £349.20 £365.40
Representative 9.9% APR 9.9% APR 9.9% APR

Buy now pay later

The Buy Now Pay Later option comprises a 36 month loan following a six month deferral period.

During the six-month deferral period, it is possible to pay off the loan, either by way of a lump sum or in smaller amounts. If the loan is partially repaid within six months, the remaining interest will be adjusted to reflect the new balance. If the loan is fully repaid within the six-month deferral period, then no interest is payable, however, a £29 early settlement fee is payable in respect of repayments within these six months.

Following the six-month deferral period, Novuna Personal Finance will initiate a monthly direct debit payment for the remaining duration of the loan. Interest will be charged at a rate of 18.9% APR on outstanding balances (backdated to the first date of the loan). Novuna Personal Finance will send a reminder letter approximately one month before the six-month deferral period is due to elapse.

  Balance settled in full within the six month deferral period Balance NOT settled in full within the six month deferral period
Cash price £300 £300
Deposit £0 £0
Loan Amount £300 £300
Settlement fee £29 £0
Settlement payment £329 -
Monthly Instalment - 36 x £11.57
Total Amount Repayable £329 £416.52
Representative 18.9% APR 18.9% APR

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Product Code: 3038398-wex Manufacturers Part Number: UTX-B40/K42