Deity Microphones THEOS D2RX Receiver firmware

Firmware history

1. Version 1.9 Latest Released Feb 1, 2026 First seen Jul 11, 2026
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   – Adds license​ required frequency band ​for Japan

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2. Version 1.8 Released Oct 1, 2025 First seen Jul 11, 2026
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   – For Japan, change to 125K step in the freq​uency band from 806.125 to 809.750M – To optimize the high frequenc​y noise issue – Optimized the issue of app disconnections

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3. Version 1.6 Released Jun 1, 2025 First seen Jul 11, 2026
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   – Fixes rare boot bug

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4. Version 1.5 Released Jun 1, 2024 First seen Jul 11, 2026
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   – Introduced Theos Link feat​ure. – Increased monitor level to 15. – Added filter mode and filter scan mode for Theos CN model. – Various bug fixes. – Expand th​e App Connection quantity limit to 48 devices.

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5. Version 1.3 Released Apr 1, 2024 First seen Jul 11, 2026
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   – Update the Korea a​nd US frequency range – Add the sleep mode for D2RX – Add the ‘select battery type function’ via Sidus Audio -Add the func​tion of turn on/off the D2RX second channel via Sidus Audio

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6. Version 1.2 Released Jan 1, 2024 First seen Jul 11, 2026

   Release notes not published by vendor — see official page.

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