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RF Venue’s Customers Drive its Success

  • Singular focus: No RF dropouts or interference, so your message is heard
  • Proven technology: Over 10,000 global installations
  • Continuous innovation: RF Venue provides equipment unique in the industry, challenging old myths and assumptions with patented products that address the biggest challenges in RF
  • Broad applicability: RF Venue products work with any brand wireless microphone or IEM system
  • Trust: RF Venue customer satisfaction score is twice as good as the average company’s. And its Net Promoter Score is +67—few companies anywhere have a better one
  • Affordability and reliability: RF Venue products usually cost the same as or less than products from other companies. Example: Two antennas can be replaced with just one RF Venue Diversity Fin antenna — superior performance at lower cost

About RF Venue

The COMBINE4 active IEM transmitter combiner brings together up to four in-ear monitor transmitter signals into a single, more powerful transmit antenna, eliminating the use of problematic multiple antennas while lowering the buildup of unwanted Intermodulation.

It provides DC power for up to four IEM transmitters to reduce cable clutter and wall warts. Combining transmitters is critical to multi-channel systems, in order to minimize intermodulation artifacts arising from multiple adjacent transmitters interfering with one another.  Suitable for use with any brand of transmitter (up to 100mW) and passive antenna. The CP Beam Helical antenna is a recommended accessory for the COMBINE4 and is available in a bundled package.

The COMBINE4 Transmitter Combiner

The COMBINE4 Transmitter Combiner

Product combinations 

CP Beam Antenna & COMBINE4 Bundle


The COMBINE4 is also sold bundled with CP Beam Antenna (CPB). This turnkey bundle includes everything needed to configure up to 4 channels of In-Ear Monitors. Including Premium made in USA low loss double shielded coaxial cabling coax cable. 


  • (1) CP Beam Antenna (CPB) for In-Ear Monitors
  • 1) COMBINE4 transmitter combiner
  • (1) RG8X25 Coaxial Cables BNC

Most common questions asked:

What is a combiner?

RF combiners are used in the A/V world for pushing multiple IEM transmitter signals through a single antenna.

What are the main benefits of antenna distribution for IEM transmitters?

Multiple transmitters: one antenna.

Can I mix RF Venue products with other brands?

Yes, as a general rule

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