Ecreso FM 3kW is a fully digital transmitter for analog FM and is the new flagship product in WorldCast Systems’ Ecreso portfolio. 

Compatible SmartFM

Engineered to meet the needs of the most demanding network operators and stations, it combines reliable performance, efficiency, and state-of-the-art innovation into a compact, yet modular 3U chassis design. 
With the Ecreso FM 3kW, broadcasters benefit from built-in redundancy, easy maintenance, a multitude of onboard features and the first patented Artificial Intelligence for FM radio, SmartFM. 
This advanced broadcasting solution is the result of decades of experience and a mission to bring to market the best FM transmitters in terms of total cost of ownership and audio quality.



ECRESO FM 3kW benefits:

Ecreso FM 3kW Monitoring Expertise


Market-Leading Expertise
60 years of expertise developing RF solutions and deploying several thousands of systems worldwide enables WorldCast Systems to accompany Ecreso FM 3kW with a range of services and warranties.

Ecreso FM 3kW Time & Operational Cost Saving


Lowest Operating Costs
Thanks to cutting-edge innovations and an intelligent design, Ecreso FM 3kW offers high efficiency, 
reduced consumption and easy maintenance. All-in-all the lowest Total Cost of Ownership.

Ecreso FM 3kW Comprehensive & Scalable Platform

Highest Quality To Listeners
Ecreso FM 3kW brings amazing audio to your radio broadcasting thanks to the direct-to-channel digital modulator, 5-band sound processor, and MPX over AES compatibility. It’s built-in redundancy also keeps you on-air, at all times.

Market-Leading Expertise

Customer support: Expert technical support team to accompany 
you for installation, configuration, maintenance, repairs, and on-site 
field operations

Turnkey solutions: Ecreso FM 3kW is available as a stand alone 
unit or as a system, including peripherals and rack integrations

Project assistance: Site visits, factory acceptance tests, 
team trainings, installation support 

Up to 10-year warranty

Lowest Operating Costs

Up to 76% efficiency thanks to state-of-the-art technology such 
as 6th generation MOSFET and Planar Design + SmartFM

Many onboard functions: Sound Processor, Dynamic RDS Encoder, Digital Stereo Encoder, Audio Backup, MPX Power Limiter, GPIO...

High reliability: The product undergoes Highly Accelerated Life Tests (HALT), Parts Stress Analysis (PSA), Failure Mode Effects and Criticality Analysis (FMECA), burn-in...

Simple control and monitoring thanks to a user-friendly web interface, Advanced Measurement Interface (AMI), 24h graphical history log and Expert Maintenance Reporting (EMR)

Full SNMP management

  • → Up to 4 SNMP managers
  • → Control and monitor all parameters
  • → Alarms by SNMP traps and e-mails

Reduced maintenance with hot-swappable power supplies and fans

Highest Quality to Listeners

Built-in redundancy that keeps you on-air
→ Up to 3 power supplies with load sharing
→ Active redundancy RF amplification
→ Passive coupler with maximum robustness
→ Oversized coupling loads for unlimited operation on fault

Direct-to-channel digital modulator
→ Highest signal quality / Perfect audio fidelity
→ Several built-in broadcast tools
→ Control of all signal parameters 

5-band sound processor

Digital MPX over AES

Audio Backup
→ Silence detect on all program inputs
→ Intelligent automatic auto-switch and recovery
→ Internal player from µSD card

Ecreso FM 3kW Turnkey Solutions & Rack Integrations

Turnkey Solutions & Rack Integrations

Ecreso FM 3kW 6th Generation MOSFET & Planar Design

6th Generation MOSFET & Planar Design

Ecreso FM 3kW Intuitive web interface

Intuitive web interface

Ecreso FM 3kW Advanced Measurement Interface (AMI)

Advanced Measurement Interface (AMI)

Ecreso FM 3kW Redundant & Hot-swappable Power Supplies and Fans

Redundant & Hot-swappable Power Supplies and Fans


5 Band Sound Processor

Craft Your Own Amazing Sound 

  • Hosted in direct-to-frequency digital modulator
  • Highest quality processing from audio input to RF output
  • Powerful DSP-based processing
  • Complete 5-band architecture
  • Factory presets for all formats
  • Easy to fine-tune through intuitive Graphical User Interface
  • Real-time meters at each stage
  • No additional hardware: maximum reliability, no maintenance
  • MPX Power Limiter (ITU 412)
  • Wideband sound processor comes standard; 5-Band optional

Read more about 5 Band Sound Processor

logo Smart FM

SmartFM is a worldwide patented technology for FM transmitters which revolutionizes FM radio broadcasting and brings massive benefits to broadcasters, radios, and their audience of listeners.

for the most sensitive program content

SMART FMLowers energy costs by 10 to 40% thanks to electricity savings and reduced cooling LOWERS ENERGY COSTS BY 10 TO 40%
thanks to electricity savings and reduced cooling 

for a cleaner, more sustainable environment

Learn more about SmartFM  


Dynamic RDS Encoder

Dynamic RDS Encoder

  • Supports PI, PS, TP, TA, MS, PTY, PTYN, DI, CT, AF, RT
  • Dynamic PS Scrolling
  • Pure and stable signal thanks to Digital Modulator
  • Delivers Audemat’s expertise in RDS
Single Frequency Network

Single Frequency Network

  • 10 MHz input for RF carrier synchronization 
  • Adjustable program delay (on audio / MPX inputs)
Email notifications

Alarm Notifications

  • Alarm delivery by email (SMTP) & SNMP
  • Easy configuration of each notification 


  • Schedule any parameter of your ECRESO FM 
  • Automatic preset changes
  • Schedule RF power to reduce consumption


Available in Redundant 1+1 & N+1 Systems. Find Out More:  1+1   N+1


Advanced Measurement InterfaceAdvanced Measurement Interface (AMI) 

Ecreso offers up to 10 years' WARRANTY

WorldCast Systems offers a standard warranty of 3 years on all our FM transmitters and up to TEN YEARS' Warranty on our range of compact FM transmitters and new ECRESO FM 5kW/10kW for a small additional charge.

No other FM Transmitter Manufacturer even comes close to that commitment or confidence! We can offer the 10 Year Warranty with confidence thanks to:

  • Our exceptional design quality
  • The outstanding efficiency of our transmitters
  • Advanced diagnostics capabilities
Ecreso up to 10 year warranty

Be Proactive with Expert Maintenance Reporting

EMR is a proactive service available on ECRESO FM Transmitters. It sends the user regular reports on the status of key parameters such as temperatures, currents and voltages, plus information on the performance and lifespan of components such as the fan and power supply of the transmitter.

With detailed logging and trend analysis, Expert Maintenance Reporting can identify slow-burning problems and issue warnings well in advance to allow for corrective action to be taken.  A map-based display of current statuses and detailed, user-friendly reports and graphs can be accessed around the clock in the EMR user page.

Learn more about

Advanced Communication Pack

Connect with WorldCast Manager

The WorldCast Manager  simplifies the management of all SNMP-enabled devices in a network, providing real-time status, historical data and visualization of multiple devices from a single screen. The intuitive and simple-to-use interface shows all devices located at your site(s) displaying product information, alerting you to any alarms and providing one-click access to the unit’s web-based control interface.

The WorldCast Manager is compatible with all WorldCast Systems’ equipment as well as SNMP devices from ANY manufacturer.

logo WorldCast Manager

Learn more about
WorldCast Manager


Current Version: 2.1

See all the specifications in the brochure.



  • ECRESO - the most trusted range of FM Transmitters


  • ECRESO FM 3KW #NAB2019



  • Conformity certificate - ECRESO FM 3kW

    Published on Nov 8, 2019



    Published on Jun 27, 2019
  • Rack Integration Solutions

    Published on Apr 2, 2020

Tech Notes

  • What Happens if…? A Study of the Redundancy Capabilities of the Ecreso FM 3kW Transmitter

    Published on Sep 6, 2019

Quick Start Guides

  • ECRESO FM 3kW - Quick Start

    Published on Mar 16, 2020


  • ECRESO FM 3kW - Manual

    Published on Mar 16, 2020


  • WorldCast Systems Overview

    Published on Oct 1, 2019