Antelope Audio A4-1B Plugin License with Synergy Core Native DAW Plugin Subscription

Bring the sound and behavior of Antelope’s A4-1B Opto-Valve compression into your DAW with plugin control, presets, and full automation. The A4-1B plugin runs in VST3/AU/AAX formats and enables fast recall and A/B comparisons while preserving the smooth, musical response associated with classic opto-tube compression. Sidechain filtering (high/low/band-pass) and built-in de-essing provide precise modern dynamics control for vocals, bass, keys, and more.

Choose the license bundle that fits your workflow: keep perpetual access to the A4-1B plugin and add Synergy Core Native membership for broader access to Antelope’s growing library of studio-grade effects. Options include 1-year or extended multi-year access—giving you flexibility to scale your toolset over time.

Key Features

• Authentic Opto-Valve Character: Modeled for smooth, musical compression that remains transparent even when pushed.
• Plugin Control & Automation: VST3/AU/AAX plugin enables preset recall, A/B comparisons, and DAW automation of attack, release, gain, threshold, and ratio.
• Sidechain Filters & De-Essing: High-pass, low-pass, and band-pass options plus de-ess for targeted dynamics shaping.
• License Options: Perpetual A4-1B plugin ownership bundled with 1-year or 4-year Synergy Core Native access (library of plugins).

Technical Specifications

• Plugin Formats: VST3 / AU / AAX for modern DAWs.
• Preset Management: Save/recall presets and compare A/B settings directly in your session.
• Automation Targets: Attack, Release, Gain, Threshold, Ratio controllable from the plugin.
• Included Filters: High-pass, Low-pass, Band-pass, plus De-Ess in the plugin sidechain.