Universal Audio Apollo x4 Gen 2 (Essentials+ Edition)

Easily connect the Apollo x4 Gen 2 to professional studio gear with 4 analog line-level I/O, two monitor outs,  and two 1/4" Hi-Z instrument inputs. An optical ADAT or S/PDIF I/O is also available for connection to professional, digital outboard hardware. You can mix with confidence in any room using Apollo Monitor Correction powered by Sonarworks. Hear all the low-end detail in your mixes using Bass Management to add a subwoofer to your monitor setup. Quickly set up low-latency cues, plug-in scenes with the UAD Console app.

• New look and feel, updated industrial design with new knobs and switch caps
• Improved Elite-Class Gen 2 D/A converters 
• Improved monitor and headphone outputs for best-in-class, critical listening
• Even lower THD and increased dynamic range
• Assistive Auto-Gain supporting one-click configuration across all input channels with select Unison preamps, for effortless recording
• Built-in Room Correction enabling Sonarworks SoundID profiles to run on built-in DSP
• Bass Management for subwoofers in Stereo configurations
• New UAD Console brings AutoGain, Unison, Apollo Room Correction, DSP Pairing, Bass Management, Plug-In Scenes over MIDI, and more—together under one roof
• New Essentials+ software bundles with UAD plug-ins and Instruments

• With Unison technology, Apollo x4 lets you track in real-time with the sound of classic EQ and compressors, giving you the same rich analog textures used on the greatest recordings of our time.

• Delivering 129 dB of dynamic range, Apollo x4 effortlessly interfaces with your analog equipment and patchbays with 1/4" connections. The unit also offers an optical Toslink I/O for either ADAT or S/PDIF.

• Set input gain across multiple channels in seconds without fear of clipping using the new Auto-Gain feature—available on all microphone / line / Hi-Z preamp inputs.
• Effortlessly set gain for recording during an auto-training time listening window, without having to worry or take a lot of time to find the perfect recording level.

• Apollo x4 features UA's highest-resolution A/D and D/A converters paired with Apollo Monitor Correction powered by Sonarworks. So you'll not only hear the most pristine representation of your recordings, there will be no surprises when you listen to your final mix or master on any stereo system.

• Add a subwoofer with the new bass management feature for full-range stereo monitoring.
• Speaker utilities panel provides trim, mute and solo per speaker output.

• Room Correction runs on a single SHARC DSP core, with UA’s studio-grade, low-latency EQ algorithms, using over 20 precision filters and up to 100 ms of loudspeaker time alignment to transform your monitoring accuracy.
• Create SoundID Reference measurements for Apollo Room Correction directly within the SoundID Reference Measure desktop application.

• Apollo x4’s powerful digital mixing engine lets you control plug-in routing and monitoring. With the latest features like Bass Management and Plug-In Scenes, it’s easy to find a flow that fits your needs.

• Build your studio by linking up to four Thunderbolt Apollo interfaces with up to 128 channels of premium I/O to your DAW. Control it all from your desktop using Apollo Twin or x4.