Adobe Audition 1.5, released in 2004, remains a popular legacy choice for lightweight audio editing, but its age creates specific technical requirements for modern VST plugins. To ensure compatibility, you must download versions of plugins, as this version does not support 64-bit architecture or the newer VST3 standard. Recommended Free VST Plugins (32-bit Compatible)
Adobe Audition 1.5 supports plugins. Here are stable, lightweight, and still-available free plugins from that era: Vst Plugins For Adobe Audition 1.5 Free Download
TDR Nova is a parallel dynamic equalizer. It’s perfect for Audition 1.5 users because it handles tasks that the native EQ can't—like "de-essing" or taming harsh frequencies only when they get too loud. Adobe Audition 1
: Click Scan For Plug-ins . Audition will search the folder and list any compatible effects found. Adobe Audition 1.5