The Edirol Super Quartet VST 1.5.2 is a legacy software synthesizer that is now discontinued and no longer available for official purchase from Roland or Edirol.

: The original VST is a 32-bit plugin and typically does not run natively on modern 64-bit operating systems or newer hardware like Apple M1/M2 chips without specialized "bridging" software. Where to Find the Download

Important Fact Check:
The EDIROL Super Quartet (often version 1.0 or 1.5) was a software sound module released in the mid-2000s by Roland/EDIROL. There is no officially recognized version 152. That number likely appears on unofficial or pirated download sites as a misleading version tag or a file archive split number (e.g., part 152 of a RAR set). Roland has long discontinued this plugin, and it is not compatible with modern 64-bit DAWs or macOS without third-party bridging tools.

Alternatives to Edirol Super Quartet (If You Can't Find v1.5.2)

If you cannot secure a clean v1.5.2 download, modern plugins have finally caught up to Edirol's magic.

If you still want an informative, ethical article that warns users about fake downloads while explaining the plugin's history and how to obtain similar legal alternatives, here it is: