Plugin Boutique has launched a limited time “Synth Month” promotion on AIR Music Tech’s OPx-4, offering 80% off on the FM synthesizer instrument for Windows and Mac that offers deep sound design functionality.
OPx-4 is a groundbreaking four operator FM synthesizer with advanced sound editing and an easy-to-understand control layout.
In addition, the system has one of the most profound FM engines ever built with a 4×4 FM matrix that includes tone shaping and filtering and a 32-slot matrix for modulating your FM tones.
The OPx-4 plugin (VST/VST3, AU and AAX) is priced only $29 USD instead of $149 USD. The offer is available until September 30th, 2025.
More information: AIR Music Technology
