Experience the Gold-Standard in Audio Recording - The Universal Audio Apollo x4 Gen 2 Thunderbolt Audio Interface with Essentials+ Bundle

Record and mix larger sessions and hear every detail with the next generation of UA’s Apollo x4 interfaces, featuring highest-resolution audio conversion, four Unison™ mic preamps, and QUAD Core DSP processing letting you record in realtime through UAD plug-ins from Neve, Manley, Avalon, SSL, and hundreds more. Trusted by top artists and producers the world over, Apollo x4 levels up your productions with timeless sound and legendary UA craftsmanship, built to inspire your next collaboration.

• 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

SPECIFICATIONS

• Computer Connectivity:Thunderbolt 3 (cable sold separately)
• Form Factor:Desktop
• Simultaneous I/O:12 x 18
• A/D Resolution:24-bit/192kHz
• Number of Preamps:4 x mic, 2 x instrument
• Phantom Power:Yes
• Analog Inputs:4 x XLR-1/4" combo (mic/line), 2 x 1/4"
• Analog Outputs:2 x 1/4" (monitor), 4 x 1/4" (line out)
• Digital Inputs:1 x Optical Toslink (ADAT, S/PDIF)
• Digital Outputs:1 x Optical Toslink (ADAT, S/PDIF)
• Headphones:2 x 1/4" TRS
• Thunderbolt:1 x USB-C (Thunderbolt 3)
• Software:UA Studio+ Edition Plug-ins
• OS Requirements - Mac:macOS 10.15 or later, Quad Core i7 Processor or higher
• OS Requirements - PC:Windows 10 Anniversary update or later, Quad Core i7 Processor or higher
• Power Supply:12V DC power supply (included)

Manufacturer: Universal Audio
Model: APX4G2-ESS
SKU: I801003-N-2-WHXB
UPC: 819937004582

We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.