Wireless Microphone System Omnitronic UHF E-FLEX 2 — UHF 559–575 MHz, model 13063371

The Omnitronic UHF E-FLEX 2 is a compact wireless microphone system that operates in the UHF 559–575 MHz band. Engineered for vocal and instrument applications, the system offers a radio link designed to deliver clear audio transmission for events, presentations, and small venue sound reinforcement. Its portable format makes it suitable for mobile setups and situations where a straightforward UHF wireless solution is required.

Advantages

The system provides reliable UHF radio transmission within the 559–575 MHz range and is designed for quick setup and unobtrusive operation. Compact form factor and straightforward controls make it practical for tight spaces and mobile use. It supports use with both vocals and instruments, enabling flexible deployment across different live-sound scenarios.

Suitable for

• Live vocals at small venues and club stages
• Presentations, conferences and corporate events
• Mobile performers and street musicians
• Rehearsals and small-band instrument amplification

When it may not be suitable

This UHF system is aimed at small- to medium-scale applications; it may not meet the requirements of large-scale productions that demand multiple coordinated wireless channels or higher RF diversity and interference management. Environments with dense RF usage or restricted frequency allocations may require a professional multi-channel system with advanced coordination features.

Key specifications

• Operating frequency range: UHF 559–575 MHz
• Application: wireless transmission for vocal and instrument use
• Form factor: compact transmitter and receiver design suitable for mobile setups
• Intended use environments: events, presentations, small venues and mobile performance

How to use

Set the receiver and transmitter within line-of-sight when possible and power both units according to the manufacturer instructions. Tune the receiver to the transmitter frequency within the 559–575 MHz band and verify an RF link indicator or audio signal. Connect the receiver output to a mixer or amplifier using standard audio cabling, adjust gain levels to avoid clipping, and perform a soundcheck to confirm clear transmission. For instrument use, attach the appropriate microphone or instrument adapter and secure the transmitter to avoid handling noise.

What to consider before purchase

• Confirm legal frequency use and local regulations for UHF 559–575 MHz in your country or venue
• Assess the number of wireless channels required for your events
• Check compatibility with existing mixers, amplifiers and stage equipment
• Consider battery type and expected runtime for mobile operation

Usage recommendations

Position the receiver away from large metal structures and other RF sources, keep transmitter and receiver antennas properly oriented, and perform an RF scan or soundcheck before each performance to minimise interference and ensure stable audio transmission.