RF Venue COMB4CPB – 4-Channel IEM Combiner with CP Beam Antenna Pack

Product Overview

The RF Venue COMB4CPB is a complete 4-channel in-ear monitor combining system that bundles the COMBINE4 IEM transmitter combiner, the CP Beam circularly polarized directional UHF antenna, and a 25-foot RG8X coaxial cable. Designed for commercial AV integrators and production teams, this IEM combiner pack consolidates up to four in-ear monitor transmitter signals onto a single antenna, reducing stage cable clutter and minimizing intermodulation distortion. The CP Beam's helical, circularly polarized design ensures consistent signal delivery to performers wearing IEM receivers regardless of body orientation.

Product Description

The COMB4CPB addresses one of the most common challenges in multi-channel IEM deployments: antenna congestion. When multiple IEM transmitters each drive their own antenna, the resulting RF environment becomes dense with competing signals. The COMBINE4 active combiner solves this by accepting up to four transmitter antenna feeds at its BNC inputs and routing the combined signal through a single, well-positioned antenna — the CP Beam.

The COMBINE4 is a 1RU rack-mount unit that installs alongside IEM transmitters in a standard equipment rack. It passes DC power to up to four connected transmitters, simplifying power wiring. The CP Beam antenna is a directional helical design operating across the UHF band (400–800 MHz). Its circular polarization means it radiates signal across all polarization planes simultaneously, which is critical for IEM systems because performers move freely and receiver body packs may be oriented at any angle. The included 25-foot RG8X cable provides sufficient reach to position the antenna at the stage edge, front of house, or any location with clear line of sight to the performance area.

This bundle is compatible with all major UHF IEM transmitter brands including Shure, Sennheiser, Sony, and Audio-Technica. All necessary interconnect hardware is included for immediate installation. For larger IEM systems requiring more than four channels, multiple COMBINE4 units can be deployed. This pack is also sold individually without the cable bundle for integrators who already have cabling in place.

Key Features

• 4-Channel IEM Combining — COMBINE4 consolidates up to four IEM transmitter antenna feeds into a single antenna output, reducing RF congestion and intermodulation on stage.
• Circularly Polarized CP Beam Antenna — Helical design transmits across all polarization planes, maintaining consistent signal strength for moving performers with body-worn IEM receivers.
• Directional Coverage Pattern — Focused beam concentrates RF energy toward the performance area, extending effective range compared to omnidirectional alternatives.
• 1RU Rack-Mount Form Factor — COMBINE4 integrates directly into a standard equipment rack alongside IEM transmitters for a clean, organized installation.
• DC Power Pass-Through — Powers up to four connected IEM transmitters via DC jacks, reducing the need for separate power supplies.
• Universal Brand Compatibility — Works with all UHF IEM transmitter brands operating in the 400–800 MHz frequency range.
• 25' RG8X Cable Included — Provides sufficient length to route the CP Beam antenna to an optimal stage-edge or FOH position.
• Ready-to-Deploy Bundle — All interconnect hardware and cable included; no additional purchases required for a complete installation.

Typical Applications

Suitable for:

• House of worship with multiple IEM transmitter channels on stage
• Auditorium and performing arts center live productions
• Broadcast studio stage with rack-mounted IEM systems
• Multi-purpose room and all-hands room with permanent AV installations
• Commercial AV integration projects requiring clean RF management for in-ear monitor systems

Technical Specifications

Frequently Asked Questions

What IEM transmitter brands are compatible with the COMB4CPB?

The COMBINE4 works with all major UHF IEM transmitter brands including Shure, Sennheiser, Sony, and Audio-Technica. It accepts standard BNC antenna connections common to professional IEM transmitters.

How does the CP Beam improve IEM signal delivery compared to a standard whip antenna?

The CP Beam's helical, circularly polarized design radiates signal across all polarization planes simultaneously. Because IEM receiver body packs can be oriented in any direction on a performer, circular polarization reduces dropouts caused by polarization mismatch — a common failure point with linearly polarized transmit antennas.

Can the COMBINE4 handle more than four IEM transmitters?

The COMBINE4 accepts up to four transmitter antenna feeds. For systems with more than four IEM channels, additional COMBINE4 units can be used with additional antennas, or the COMBINE6 HDR (6-channel) should be considered.

Where should the CP Beam antenna be positioned for best performance?

Mount the CP Beam at the stage edge or front of house, aimed toward the performance area. The directional pattern focuses RF energy at the performers, maximizing signal-to-noise for the body-worn IEM receivers in use.

Is the COMBINE4 rack-mountable?

Yes. The COMBINE4 occupies 1RU of standard rack space and mounts directly in any 19-inch equipment rack alongside IEM transmitters.

Where can I purchase the COMB4CPB and get support?

The RF Venue COMB4CPB is available through Creation Networks at creationnetworks.net. Contact us for purchasing assistance, system design support, or to discuss integration requirements.