A4-1B Perpetual Plugin License + 4 years SC Native

Opto valve compressor plugin, analog-modeled tone, real-time DAW control, VST3 AU AAX formats, 4-year Synergy Core Native access, perpetual license included.

Vintage warmth meets long-term digital power

The Antelope Audio A4-1B Perpetual Plugin License paired with a 4-year Synergy Core Native membership offers the ultimate solution for producers and engineers seeking classic analog tone with long-term digital versatility. This plugin expertly emulates the A4-1B Analog Opto Valve Compressor, known for its musical warmth, tube richness, and transparent dynamic control. It captures every nuance of the original's circuitry—including its hand-selected opto-cells and UK-made transformers—bringing vintage studio charm to your modern DAW environment.

Bundled for future-proof production

With this bundle, you not only gain a perpetual license to the A4-1B plugin—ensuring lifetime use without renewal fees—but also a full four years of access to Antelope's Synergy Core Native ecosystem. This expansive effects platform provides a growing library of studio-grade plugins, from EQs and compressors to modulation and spatial tools, all designed to meet the demands of professional production. Combined with advanced sidechain filtering, a precision de-essing mode, and full DAW automation support, this package delivers a complete dynamics processing toolkit with unmatched sonic authenticity and future-proof access to cutting-edge audio technology.

Features

• Includes the A4-1B compressor plugin with rich, analog-modeled tube sound
• Emulates classic opto-valve compression for smooth, musical dynamics
• Great for vocals, instruments, and mix buses
• Advanced sidechain filtering and built-in de-esser for vocal clarity
• Fully compatible with major DAWs (VST3, AU, AAX) and supports automation
• Perpetual license—no recurring cost for plugin use
• Comes bundled with 4 years of Synergy Core Native membership
• Access Antelope's expanding plugin library for four full years
• Perfect for producers wanting classic analog tone with extended plugin access