AVGear's Next Auction Opens in April! Click Here to Learn More!

🔥 AVGear Deal Zone 🔥

Hot deals. Big savings. Limited quantities.

Shop Now
Lectronics

Lectrosonics UM400A Belt Pack Transmitter

$449.00 - $559.00

The Lectrosonics UM400a is a UHF bodypack transmitter for use with the UCR411 receiver. The transmitter features 256 user selectable UHF frequencies and digital hybrid signal transmission for optimum range while minimizing noise. Incoming audio signal is digitized at 24-bit resolution, eliminating the noise and artifacts associated with analog compandors.

View Product Features
  • Digital Hybrid Wireless technology: DSP-based system eliminates noise from analog companders.
  • 256 selectable UHF frequencies: Ensures finding clear operating frequencies across wide band.
  • High 100 mW output power: Provides extended operating range and minimizes dropouts.
  • Improved servo bias input: Accommodates various electret microphones and line inputs.
  • Wide dynamic range: Delivers superb audio fidelity and clarity.
  • Rugged machined aluminum housing: Ensures durable, field-ready construction for professional use.
In stock
9 in stock

Scroll below to see our current inventory for this item.

In-Stock Inventory

  •
    Used

    C2041-304

    Lectrosonics UM400A Block 22 Belt Pack Transmitter (563-588MHz)

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $449.00
    View Product
  • Used

    C2041-228

    Lectrosonics UM400A Block 26 Belt Pack Transmitter (665-691MHz) [Not For Use In The USA]

    Functional Rating

    Excellent Functionality

    Every function of our "Excellent Functionality" items has been tested and verified to meet original manufacturer specifications. These products feature OEM parts, come pre-loaded with licensed software, and exhibit no hardware defects, ensuring optimal performance.

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $449.00
    View Product
  • Used

    C2041-233

    Lectrosonics UM400A Block 26 Belt Pack Transmitter (665-691MHz) [Not For Use In The USA]

    Functional Rating

    Excellent Functionality

    Every function of our "Excellent Functionality" items has been tested and verified to meet original manufacturer specifications. These products feature OEM parts, come pre-loaded with licensed software, and exhibit no hardware defects, ensuring optimal performance.

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $449.00
    View Product
  • Used

    C2041-236

    Lectrosonics UM400A Block 26 Belt Pack Transmitter (665-691MHz) [Not For Use In The USA]

    Functional Rating

    Excellent Functionality

    Every function of our "Excellent Functionality" items has been tested and verified to meet original manufacturer specifications. These products feature OEM parts, come pre-loaded with licensed software, and exhibit no hardware defects, ensuring optimal performance.

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $449.00
    View Product
  • Used

    C2041-291

    Lectrosonics UM400A Block 26 Belt Pack Transmitter (665-691MHz) [Not For Use In The USA]

    Functional Rating

    Excellent Functionality

    Every function of our "Excellent Functionality" items has been tested and verified to meet original manufacturer specifications. These products feature OEM parts, come pre-loaded with licensed software, and exhibit no hardware defects, ensuring optimal performance.

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $449.00
    View Product
  • Used

    C2041-292

    Lectrosonics UM400A Block 26 Belt Pack Transmitter (665-691MHz) [Not For Use In The USA]

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $449.00
    View Product
  • Used

    C2041-210

    Lectrosonics UM400A Block 26 Belt Pack Transmitter (665-691MHz) [Not For Use In The USA]

    Functional Rating

    Excellent Functionality

    Every function of our "Excellent Functionality" items has been tested and verified to meet original manufacturer specifications. These products feature OEM parts, come pre-loaded with licensed software, and exhibit no hardware defects, ensuring optimal performance.

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $449.00
    View Product
  • Used

    C2041-231

    Lectrosonics UM400A Block 26 Belt Pack Transmitter (665-691MHz) [Not For Use In The USA]

    Functional Rating

    Excellent Functionality

    Every function of our "Excellent Functionality" items has been tested and verified to meet original manufacturer specifications. These products feature OEM parts, come pre-loaded with licensed software, and exhibit no hardware defects, ensuring optimal performance.

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $449.00
    View Product
  • Used

    C2041-237

    Lectrosonics UM400A Block 26 Belt Pack Transmitter (665-691MHz) [Not For Use In The USA]

    Functional Rating

    Excellent Functionality

    Every function of our "Excellent Functionality" items has been tested and verified to meet original manufacturer specifications. These products feature OEM parts, come pre-loaded with licensed software, and exhibit no hardware defects, ensuring optimal performance.

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $449.00
    View Product

Already own this item and want to sell it?

Click here to sell your item

About the Lectrosonics UM400A Belt Pack Transmitter

The Lectrosonics UM400A is a professional, high-performance belt pack transmitter designed for critical wireless audio capture in film, television, broadcast, and theater. This transmitter is celebrated for its exceptional audio fidelity, robust UHF transmission, and rugged construction, making it a standard tool for production sound mixers worldwide. Operating on user-selectable frequencies within designated UHF blocks, it employs Lectrosonics' advanced analog companding technology to deliver crystal-clear audio with a wide dynamic range and minimal noise. Its robust RF output ensures a reliable wireless link even in challenging environments with long distances or potential interference, providing confidence that crucial dialogue or sound will be captured without dropouts.

Built to withstand the physical demands of production, the UM400A features a machined aluminum housing that provides durability and effective RF shielding. It is designed to interface seamlessly with a wide variety of lavalier and headset microphones via its 3.5mm locking microphone input, offering adjustable input gain to optimize levels for different sources. The transmitter includes a comprehensive LCD screen that clearly displays operating frequency, battery level, and audio modulation, allowing for easy monitoring and configuration. Powered by a single AA battery, it offers extended operational life and includes a tone-based remote mute function, enabling audio engineers to control the transmitter from the receiver. Its compact, ergonomic design ensures it can be comfortably worn and concealed on talent.

In practical application, the Lectrosonics UM400A is trusted for wiring principal actors, journalists, and presenters in the most demanding shooting conditions. Its reliability and consistent performance under pressure make it indispensable for live broadcast and high-stakes film production where audio integrity is non-negotiable. The transmitter's ability to maintain a stable, clear audio link over considerable distances, coupled with its user-friendly features and rugged build, exemplifies Lectrosonics' commitment to providing audio professionals with tools that offer uncompromising quality and operational flexibility for daily professional use.

Key Features

  • Digital Hybrid Wireless technology: DSP-based system eliminates noise from analog companders.
  • 256 selectable UHF frequencies: Ensures finding clear operating frequencies across wide band.
  • High 100 mW output power: Provides extended operating range and minimizes dropouts.
  • Improved servo bias input: Accommodates various electret microphones and line inputs.
  • Wide dynamic range: Delivers superb audio fidelity and clarity.
  • Rugged machined aluminum housing: Ensures durable, field-ready construction for professional use.

Lectrosonics UM400A Belt Pack Transmitter Specs

Transmitter Specifications
Model
UM400A
Type
UHF Belt Pack Transmitter
Technology
Analog Companding
Frequency and Tuning
Frequency Range
UHF, Specific Block (e.g., 470-614 MHz)
Tuning Steps
25 kHz
RF Power Output
Selectable (e.g., 50mW, 100mW)
Audio and Input
Microphone Input
3.5mm Locking Connector
Input Gain
Adjustable
Audio Processing
Pre-Emphasis, Companding
Power and Display
Battery Type
1x AA
Battery Life
Up to 8+ Hours
Display
LCD Screen
Operational Features
Remote Mute
Tone-Key Actuated
Menu Navigation
Front Panel Buttons
Compatibility
Lectrosonics 400 Series Receivers
Physical Design
Housing
Machined Aluminum
Weight
Approx. 156g (with battery)
Dimensions
Compact Belt-Pack Form

Key Features

  • Digital Hybrid Wireless technology: DSP-based system eliminates noise from analog companders.
  • 256 selectable UHF frequencies: Ensures finding clear operating frequencies across wide band.
  • High 100 mW output power: Provides extended operating range and minimizes dropouts.
  • Improved servo bias input: Accommodates various electret microphones and line inputs.
  • Wide dynamic range: Delivers superb audio fidelity and clarity.
  • Rugged machined aluminum housing: Ensures durable, field-ready construction for professional use.
Make an offer
Make an offer
Make an offer