Secaucus, NJ – October 22nd, 2025 –  TOA Electronics is pleased to announce the release of firmware version 3.4.0 for the IP-A1 Network Audio Series. This update introduces advanced functionality, strengthened security, and improved integration options for AV and security professionals.

Eligible Models for Update:
       ∗Transmitters: IP-A1RM, IP-A1PG
       ∗Receivers: IP-A1SC15, IP-A1PA12, IP-A1PC238, IP-A1PC580R, IP-A1AF, IP-A1PC580S

Key Updates at a Glance

       ∗Encrypted Communication: All transmissions, including SIP broadcasts and calls, are now secured with TLS and HTTPS encryption
         —ideal for projects requiring secure cloud or internet-based communications.
       ∗Chime for SIP: Restores the pre-announcement chime function when transitioning from analog to SIP broadcasts, maintaining
          traditional broadcast cues.
       ∗Doorphone-Style Operation: Adds one-touch call initiation and termination via control inputs, allowing flexible, small-scale SIP call
          setups.
       ∗Expanded IP Address Range: Supports a wider range of configurable IP addresses to accommodate diverse network environments.
       ∗Immediate SIP Configuration Application: SIP settings can now be applied instantly without rebooting, improving efficiency for
          installation and kitting workflows.
       ∗Usability & Reliability Improvements: Additional optimizations enhance system stability, ease of use, and overall performance.

Availability:
Firmware Update v3.4.0 is now available for download from the TOA Electronics website. Users are encouraged to update their devices to take full advantage of the latest improvements.

For more information and to download the update, please visit us at www.TOAElectronics.com. 

About TOA Electronics:

TOA Electronics is a leading provider of commercial audio, professional sound, and security solutions. With over 90 years of experience, TOA is committed to delivering high-quality, reliable products that meet the diverse needs of various industries.