Universal Audio Apollo x4 Gen 2 with UAD Analog Classics – Professional Thunderbolt Audio Interface with QUAD Core DSP

The Universal Audio Apollo x4 Gen 2 is the second generation of one of the world's most respected desktop audio interfaces. Combining elite-class 24-bit/192 kHz audio conversion, four Unison™ microphone preamps, powerful QUAD Core DSP processing, and the comprehensive UAD Analog Classics software bundle, Apollo x4 Gen 2 is designed for music producers, recording engineers, composers, content creators, and professional studios that demand uncompromising sound quality and workflow.

Building on the legendary Apollo platform, the new Gen 2 model introduces improved audio conversion, enhanced monitoring capabilities, and advanced workflow features that make recording, mixing, and producing music faster and more intuitive than ever. Whether you're recording vocals, acoustic instruments, electric guitars, podcasts, or full band sessions, Apollo x4 Gen 2 delivers the legendary Universal Audio sound trusted by countless Grammy-winning producers and engineers.

Key Features

• Professional 24-bit / 192 kHz audio conversion.
• Four Unison™ microphone preamps with authentic analog emulations.
• Powerful QUAD Core DSP for realtime UAD plug-in processing.
• Two front-panel Hi-Z instrument inputs.
• New UAD Console features including Auto-Gain, Plug-In Scenes, Monitor Controller, and Bass Management.
• Apollo Monitor Correction powered by Sonarworks®.
• Over 30 professional plug-ins included with the UAD Analog Classics bundle.
• Upgradeable to more than 200 additional UAD plug-ins.

Hear Every Detail with Elite-Class Audio Conversion

Apollo x4 Gen 2 features Universal Audio's most advanced D/A conversion ever implemented in a desktop Apollo interface. The expanded dynamic range, ultra-low distortion, and exceptional detail allow you to hear every nuance of your recordings with remarkable accuracy. Combined with Apollo Monitor Correction by Sonarworks®, it delivers a reliable monitoring environment for both studio monitors and headphones, helping you make confident mixing decisions.

Record Through Legendary Unison™ Preamps

At the heart of Apollo x4 Gen 2 are four Unison™ microphone preamps that faithfully recreate not only the sound but also the impedance and gain structure of classic analog recording equipment. This unique technology provides an authentic recording experience while capturing the warmth, punch, and character of iconic studio hardware.

Record through authentic emulations from legendary manufacturers including:

• Neve
• API
• Manley
• Fender
• Universal Audio 610
• and many more available within the UAD ecosystem.

The interface also features two front-panel Hi-Z instrument inputs, allowing guitars and basses to be connected directly while taking full advantage of Universal Audio's acclaimed amplifier and pedal emulations.

QUAD Core DSP Processing – Track Without Limits

The built-in QUAD Core DSP processor allows you to record through professional UAD plug-ins with near-zero latency while offloading processing from your computer's CPU. Compressors, EQs, tape emulations, guitar amps, reverbs, delays, and channel strips can all be monitored during recording without compromising system performance.

By combining onboard DSP with your computer's native processing power, Apollo x4 Gen 2 creates a hybrid production environment capable of handling large recording sessions and complex plug-in chains with exceptional stability and efficiency.

UAD Analog Classics – A Complete Professional Studio Included

Every Apollo x4 Gen 2 includes the UAD Analog Classics bundle, giving you more than 30 world-class plug-ins for recording, mixing, mastering, and music production. Right out of the box, you'll have access to professional tools used on countless hit records.

Channel Strips & Preamps

• Century Tube Channel Strip
• CS-1 Channel Strip
• LA-6176 Signature Channel Strip
• Precision Channel Strip
• UA 610-A Preamp & EQ
• UA 610-B Preamp & EQ

Compressors & Limiters

• Fairchild 670 Legacy Compressor
• Teletronix LA-2A Legacy Leveling Amplifier
• Teletronix LA-2A Tube Compressor
• Precision Buss Compressor
• UA 1176 FET Compressor
• UA 1176LN Legacy
• UA 1176SE Legacy

Equalizers

• Precision Equalizer
• Pultec EQP-1A Legacy EQ
• Pultec Pro Legacy EQ

Special Processing

• Oxide Tape Recorder
• Precision De-Esser
• Precision Enhancer Hz
• Precision Enhancer kHz
• Vibe Analog Machines Essentials

Virtual Instrument

• PolyMAX Polyphonic Synth

Delay & Modulation

• Galaxy Tape Echo
• Precision Delay Mod
• Precision Delay Mod L

Reverbs & Rooms

• Precision Reflection Engine
• Pure Plate Reverb

Mastering

• Precision Limiter
• Precision Maximizer
• Precision Multiband

Guitar Plug-ins

• Bermuda Triangle
• Raw Distortion
• TS Overdrive Pedal
• UAD Lion '68 Super Lead Amp
• UAD Showtime '64 Tube Amp

This extensive software collection gives you everything needed to start producing professional recordings immediately after installation. From vintage analog channel strips and legendary compressors to mastering processors, creative effects, and guitar amplifiers, UAD Analog Classics provides a complete production toolkit for virtually any recording or mixing project.

Modern Workflow for Today's Professional Studio

Apollo x4 Gen 2 includes the latest version of UAD Console, giving musicians, producers, and engineers a faster and more intuitive recording workflow. Powerful new features streamline session setup, improve monitoring, and simplify plug-in management, allowing you to stay focused on creativity instead of technical adjustments.

New UAD Console features include:

• Auto-Gain – automatically sets the optimal input level for faster recording sessions.
• Plug-In Scenes – instantly save and recall complete plug-in configurations.
• Monitor Controller – manage multiple monitor outputs with ease.
• Bass Management – optimize monitoring systems with dedicated subwoofer integration.
• Apollo Monitor Correction by Sonarworks® – accurate room and headphone calibration for reliable monitoring.
• Flexible routing and monitoring options for professional recording environments.

Together, these features provide a smoother workflow whether you're working in a commercial recording studio or a high-end home production setup.

Perfect for Every Production

Universal Audio Apollo x4 Gen 2 is designed for professionals and creators who require exceptional sound quality, flexible connectivity, and realtime DSP processing. It is ideal for:

• Recording vocals.
• Electric and bass guitar recording.
• Acoustic instruments.
• Music production.
• Podcast and voice-over production.
• Live streaming.
• Mixing and mastering.
• Film, television, and game audio production.
• Professional recording studios.
• Advanced home studio environments.

Technical Specifications

• Professional Thunderbolt audio interface.
• 24-bit / 192 kHz audio resolution.
• QUAD Core DSP processor.
• Four Unison™ microphone preamps.
• Two front-panel Hi-Z instrument inputs.
• Next-generation A/D and D/A conversion.
• Apollo Monitor Correction by Sonarworks®.
• Auto-Gain.
• Plug-In Scenes.
• Monitor Controller.
• Bass Management.
• Realtime UAD plug-in processing.
• UAD Analog Classics software bundle included.
• Upgradeable with more than 200 additional UAD plug-ins.
• High-speed Thunderbolt connectivity.

Premium Build Quality

Built with a rugged all-metal enclosure, Apollo x4 Gen 2 is designed to withstand years of professional studio use. The large multifunction control knob, high-resolution display, and ergonomically positioned controls provide fast and intuitive operation. Its compact desktop footprint makes it equally suitable for permanent studio installations and mobile recording setups.

What's Included

• Universal Audio Apollo x4 Gen 2 audio interface.
• UAD Analog Classics software bundle.
• UAD Console software.
• User documentation.

Why Choose Universal Audio Apollo x4 Gen 2?

Whether you're producing music, recording artists, creating podcasts, or mixing professional releases, the Universal Audio Apollo x4 Gen 2 delivers the performance, sound quality, and reliability expected from one of the industry's most respected recording platforms. With four Unison™ preamps, elite-class audio conversion, powerful QUAD Core DSP processing, advanced monitoring tools, and an extensive collection of premium UAD plug-ins, Apollo x4 Gen 2 provides everything you need to achieve world-class recordings from your desktop studio.