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Elite Audio Quality and Precision
The Apollo X4 Gen 2 provides superior 24-bit/192 kHz audio conversion with the lowest distortion, ensuring recordings capture the truest sound with exceptional clarity and detail.
Universal Audio Apollo X4 Gen 2
The Universal Audio Apollo X4 Gen 2 is a 12x18 desktop Thunderbolt audio interface that delivers elite 24-bit/192 kHz audio conversion, QUAD Core DSP processing, four Unison™ mic preamps, advanced monitoring features, and access to a comprehensive UAD plug-in suite, designed for high-end music production and recording.
Superior Audio Conversion and Unison™ Mic Preamps
The Apollo X4 Gen 2 delivers top-tier audio conversion, offering the highest dynamic range and lowest distortion among all Apollo interfaces. Its four Unison™ mic preamps let you record through real-time emulations of iconic analogue preamps from Neve, API, Avalon, and Manley, perfectly capturing the warmth and richness of classic studio gear in a modern digital format.
Comprehensive UAD Plug-in Library
With access to over 200 UAD DSP and native plug-ins, the Apollo X4 allows professionals to utilise world-class processing tools like Capitol Chambers, Sound City Studios, and the EL8 Distressor. These plug-ins offer faithful recreations of legendary studio hardware, enabling studio-quality mixing, mastering, and tracking with minimal effort.
Advanced Monitoring and Bass Management
Apollo X4 features Apollo Monitor Correction powered by Sonarworks®, ensuring precise monitoring regardless of room acoustics, allowing professionals to hear the true quality of their mix without surprises in playback. Integrated bass management simplifies subwoofer integration, giving complete control over the low-end frequencies, perfect for bass-heavy productions.
Streamlined Workflow with Auto-Gain and UAD Console App
Auto-Gain functionality quickly adjusts input levels across multiple channels, saving time and preventing missed takes. The UAD Console app enhances workflow by offering low-latency cue setups, plug-in routing, and immersive monitoring features. Plug-In Scenes provide instant recall of complex signal chains, improving efficiency and productivity during sessions.
Hybrid System for High-Performance Recording
Apollo X4’s QUAD Core DSP works in harmony with your computer’s native processing, allowing larger sessions and intricate plug-in chains without affecting performance. This hybrid approach combines the power of hardware-based DSP with the flexibility of native systems, ensuring professional-grade performance in even the most demanding setups.
Scalable Studio Solution
The Apollo X4 is designed to grow with your studio. Connect up to four Thunderbolt-enabled Apollo interfaces to expand your system to 128 channels of I/O, all controllable from a single desktop interface. This scalability makes the Apollo X4 a long-term investment, capable of handling increasingly complex projects as your needs evolve.
The Ultimate Professional Audio Interface
With unmatched audio quality, a vast plug-in library, real-time processing capabilities, and scalable design, the Universal Audio Apollo X4 Gen 2 is the definitive choice for professionals in need of a high-performance desktop audio interface. Whether for recording, mixing, or mastering, the Apollo X4 offers all the essential tools to elevate any production to studio-grade levels.
Included Plug-Ins in Essentials+ Edition
Channel Strips & Preamps
- Century Tube Channel Strip
- CS-1 Channel Strip
- Helios Type 69 Preamp & EQ
- Precision Channel Strip
- UA 610-A Preamp & EQ
- UA 610-B Preamp & EQ
Compressors / Limiters
- Fairchild 670 Legacy
- Teletronix LA-2A Classic Leveler
- Teletronix LA-2A Gray Classic Leveler
- Teletronix LA-2A Silver Classic Leveler
- Teletronix LA-2A Legacy Leveling Amplifier
- UA 1176LN Legacy
- UA 1176SE Legacy
Equalisers
- Helios Type 69 Legacy EQ
- Pultec EQP-1A Legacy EQ
- Pultec EQP-1A Passive EQ
- Pultec HLF-3C Passive EQ
- Pultec MEQ-5 Passive EQ
- Pultec Pro Legacy EQ
Special Processing
- Auto-Tune Realtime Access
- Oxide Tape Recorder
- Precision Enhancer Hz
- Verve Analog Machines Essentials
Instruments
- PolyMAX Polyphonic Synth
Delay & Modulation
- Galaxy Tape Echo
- Precision Delay Mod
- Precision Delay Mod L
Reverbs & Rooms
- Precision Reflection Engine
- Pure Plate Reverb
- RealVerb Pro Custom Room Modeler
Guitar & Bass
- Ampeg SVT-VR Classic Bass Amplifier
- Marshall Plexi Classic Amplifier
- Raw Distortion
- 12 x 18 Thunderbolt audio interface with QUAD Core DSP plug-in processing
- Four UnisonTM mic preamps, two Hi-Z instrument inputs, optical Toslink I/O (ADAT or S/PDIF)
- Two 1/4" monitor outs, four 1/4" line outs (ALT 1 / 2), two 1/4" TRS headphone outs
- Elite-class Apollo X Gen 2 converters with 24-bit / 192 kHz resolution
- Enhanced D/A for critical monitoring and playback with 129 dB dynamic range
- Calibrate your main monitor and headphone outputs with Apollo Monitor Correction powered by Sonarworks®*
- Fully-featured monitor controller with alternate speaker switching and integrated talkback for easy communication with talent
- Updated UAD Console app featuring Auto-Gain, Plug-In Scenes, subwoofer integration with Bass Management, immersive audio support, and more
- Onboard DSP supports over 200 UAD plug-ins via VST, AU, and AAX 64 formats in all major DAWs
- Includes up to 50+ UAD plug-ins with Essentials+ or Studio+ Editions
- Compatible with LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live, and more**
- Expandable with Thunderbolt Apollo interfaces or select models over Dante
- Free industry-leading technical support from knowledgeable audio engineers
- UK over £99 FREE
- UK under £99 £10
- EU £36
- Rest of World £80
Large/Heavy items: Extra charges may apply (e.g., consoles, large monitors). We’ll contact you before processing if so.
We ship with DPD and UPS across the UK, EU and worldwide. Same-day within the M25 is available depending on stock from £48.
At KMR, we provide exceptional support for all your audio studio requirements. Our committed team is ready to help you with setup, troubleshooting, and optimizing your gear for peak performance.
If you face any challenges, our customer service team is just a phone call away, prepared to offer expert assistance.
KEY FEATURES
Unison™ Technology for Authentic Analog Sound
With four Unison™ mic preamps, the Apollo X4 enables recording through exact emulations of classic preamps like those from Neve and API, recreating the warmth and tonal characteristics of vintage hardware in a digital environment.
Extensive Plug-In Library and DSP Power
Access to over 200 UAD plug-ins and QUAD Core DSP processing allows users to mix and master with studio-grade tools and effects, enhancing recordings with minimal latency and optimal sound quality.
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