Produce larger sessions with Universal Audio’s most powerful desktop Apollo. Featuring highest-resolution audio conversion, four Unison mic preamps, and realtime UAD processing letting you record through plug-ins from Neve, API, Manley, Auto-Tune, and hundreds more Apollo x4 levels up your studio with legendary UA sound, built to inspire your next collaboration.Main Features:Produce music with elite-class Apollo X Gen 2 audio conversion, and hear every detail with unprecedented dynamic rangeUse four Unison preamps to get the tone and feel of iconic analog gear from Neve, API, Manley, Fender, and moreRecord through UAD plug-ins in realtime with onboard QUAD Core DSPWork faster with new UAD Console features including Auto-Gain, Plug-In Scenes, Monitor Controller, Immersive Audio, and moreMix with confidence in any room or through headphones using Apollo Monitor Correction by SonarworksGet included UAD plug-ins from Auto-Tune, Fairchild, Teletronix, and more with Essentials+ or Studio+ EditionsSpecifications:12 x 18 Thunderbolt 3 audio interface with QUAD Core DSP plug-in processingFour Unison 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 outsElite-class Apollo X Gen 2 converters with 24-bit / 192 kHz resolutionEnhanced D/A for critical monitoring and playback with 129 dB dynamic rangeCalibrate 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 talentUpdated UAD Console app featuring Auto-Gain, Plug-In Scenes, subwoofer integration with Bass Management, immersive audio support, and moreOnboard DSP supports over 200 UAD plug-ins via VST, AU, and AAX 64 formats in all major DAWsIncludes up to 50+ UAD plug-ins with Essentials+ or Studio+ EditionsCompatible with LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live, and more**Expandable with Thunderbolt Apollo interfaces and Dante via Apollo x16DFree industry-leading technical support from knowledgeable audio engineers