Need authentic D-50 sounds in your DAW? Looking for the definitive software version of that classic Roland synth? The D- Software Synthesizer is the only plug-in that fully models the original hardware, and it’s available as a free download.

It replicates the D-50’s unique LA synthesis, which blends sampled attack transients with virtual analog synth tones. You get the complete original waveform set, the iconic presets, and even the proprietary joystick for real-time control, all inside your DAW as a VST3, AU, or AAX plugin.

The LA Synthesis Engine

The core is a Linear Arithmetic (LA) synthesis engine. This works by combining short, harmonically complex sampled waveforms—like the famous “Soundtrack” and “Fantasia” attacks—with a subtractive synthesis section for the sustaining body of the sound. It also includes the archetypal 'overtone noise' that gives the original its rich, textured character.

Controls and Integration

You get a virtual PG-1000 controller for deep editing. The interface features the original joystick for blending two tones and modulating parameters. A tempo-syncing LFO is included for rhythmic modulation. For hardware integration, it supports SysEx import and can directly swap patches with a Roland Boutique D-05 synthesizer. The plugin also lets you control a connected D-05 hardware unit from the software interface.

Sound Library and Effects

It comes with the same sampled waveform set as the original hardware and includes all the original iconic presets. Digital effects are built into the engine, modeled using Roland’s Digital Circuit Behavior technology to capture every nuance of the original unit’s processing.

Who Should Grab This

This fits producers working on synth pop, new wave, or R&B tracks who need those specific, lush 80s pads and metallic leads without hunting for vintage gear. It’s also useful for sound designers scoring film or creating new age music, where the D-50’s distinctive character is a staple. If you own a Roland Boutique D-05, the patch-swapping and control features make this a direct software companion.

Final Verdict

If your goal is to recreate authentic Roland D-50 sounds within a modern DAW, this is the only software reproduction that models the original hardware completely. You get the full LA synthesis engine, the original waveforms, and deep hardware integration. Since it’s a free download, it’s worth getting if those classic tones are what you need for production or sound design. Just ensure your DAW supports VST3, AU, or AAX formats.