Shure HA-4540 Tour Series (TS) Helical Antenna

HA‑4540 Tour Series (TS) Helical Antenna

The HA‑4540 Tour Series Helical Antenna is a premium, circularly‑polarized antenna engineered for professional touring, broadcast, and high‑demand RF environments. Designed to deliver exceptional multi‑path rejection, extended operating range, and superior signal integrity, the HA‑4540 provides rock‑solid wireless performance for IEM and microphone systems in the most challenging venues.

Key Features

• Tour‑grade circularly‑polarized helical design for maximum RF stability
• Outstanding multi‑path rejection and reduced interference in reflective environments
• Wideband operation across professional RF touring frequencies
• Focused radiation pattern ideal for long‑throw and high‑coverage applications
• Durable, lightweight construction built for touring, production, and rental workflows
• Delivers consistent RF performance in arenas, stadiums, theaters, and festival stages
• Compatible with a wide range of wireless IEM and microphone systems, including Axient Digital and PSM

Ideal Applications

• Touring and live concerts
• Broadcast studios and mobile production
• Houses of Worship
• Corporate and large‑venue events
• Sports arenas and stadiums
• Festivals, special events, and outdoor shows
• Museum installations and experiential AV environments