This is a fantastic interface for anyone looking for professional-grade conversion, excellent microphone preamps, and the ability to record and monitor through UAD plug-ins with near-zero latency.

Features & Specifications

  • 12-in / 18-out Thunderbolt 3 audio interface
  • Four premium Unison-enabled microphone preamps
  • UAD-2 QUAD Core DSP processing with four SHARC processors
  • Professional 24-bit / 192 kHz AD/DA conversion
  • Two front-panel Hi-Z instrument inputs for guitar and bass
  • Four balanced mic/line inputs
  • Four additional balanced line outputs plus stereo monitor outputs
  • Two independent stereo headphone outputs
  • ADAT optical I/O for additional input/output expansion
  • Optical S/PDIF connectivity
  • Integrated talkback microphone
  • Dedicated monitor controls, including Mute, DIM, Mono, and ALT speaker switching
  • UAD Console software for real-time tracking and monitoring
  • Compatible with supported Mac and Windows Thunderbolt systems
  • Access to Universal Audio's extensive library of professional DSP plug-ins

Included UAD Plug-ins

A collection of Universal Audio's classic UAD plug-ins is included free with registration of the interface to the new owner's account, as provided by Universal Audio for used Apollo hardware. These offer an excellent starting point for professional recording and mixing.

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

Listed2 days ago
ConditionExcellent (Used)
Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more
Brand
Model
  • Apollo x4 QUAD Thunderbolt 3 Audio Interface
Finish
  • Gray
Categories
Year
  • 2023 - Present
Sample Rate
  • 192 khz
Bus-Powered
  • No
Electronics
  • Digital
  • Analog
  • Solid State
Digital Output Format
  • ADAT/Optical
Compatibility
  • macOS
  • Windows
Format
  • Desktop Standalone
Digital Input Format
  • ADAT/Optical
Bit Depth
  • 24-bit
Computer Connectivity
  • Thunderbolt
Simultaneous I/O
  • 12 x 18
Number of Channels
  • 28
Number of Headphone Outputs
  • 2
Number of MIDI Outputs
  • 0
Number of MIDI Inputs
  • 0
Number of Digital Outputs
  • 8
Number of Digital Inputs
  • 8
Number of Analog Outputs
  • 6
Number of Analog Inputs
  • 6
Number of Mic Preamps
  • 4

Product safety information may be available here.

Steven's Shop

Columbus, OH, United States
Joined Reverb:2024

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