The Discrete 4 Pro Synergy Core is designed for stellar recordings at home and in the studio. It features industry-leading sound quality made possible by our latest generation AD/DA converters and transparent preamps. 

This desktop-format audio interface embodies our zero-compromise approach to hardware and the intuitive software control panel helps you streamline your sessions. 

Product Features/Specifications: 
Proprietary 64-bit Acoustically Focused Clocking technology for increased width, separation, and detail in musical performances; 
Proprietary Jitter Management algorithm delivering truthful and expanded soundstage; 
Ultra-accurate A/D and D/A conversion ensuring lush, bold, & expansive recordings and reproduction of your instruments and vocals. 
14 x 20 Desktop audio interface with Thunderbolt & USB connection for Mac/Windows; 
Four Discrete console-grade 6-transistor preamps on combo XLR jacks for professional recordings. All work as microphone/line inputs, and two of them are Hi-Z compatible;  4 DC-coupled analog output channels over TRS; 
Thunderbolt 3 (up to 32 channels) and USB 2.0 (up to 24 channels) ports for native DAW application with custom macOS & Windows drivers; 
Digitally expandable I/O over ADAT (up to 8 channels) and SPDIF (up to 2 channels); 
Two word clock outputs letting you distribute the interface’s highly stable clock signal across your studio; 
Four independent headphone outputs; 
Stereo monitor outputs over TRS;  Technical Specifications:  
Analog Inputs 
2 x Mic / Line Inputs 
2 x Mic / Line / Hi-Z Inputs 
Analog Outputs 
1x Monitor Out on TRS 1/4 Jacks, +20 dBu 
max 
4 x Line Outs on TRS, +20 dBu max, DC- 
Coupled 
4x Stereo Headphone Outputs 
Mic Preamp 
EIN: -128 dBu (A-weighted) 
Dynamic Range: -121 dB (A-weighted) 
THD: -106 dB 
Max input: +18 dBu 
Max Gain: 65 dB 
D/A Monitor Converter 
Dynamic Range: 130 dB 
THD + N: -115 dB 
A/D Converter 
Dynamic Range: 123 dB 
THD + N: -112 dB 
D/A COnvertes (Line Out) 
Dynamic Range: 118dB 
THD + N: - 100dB 
Digital Inputs 
1 x ADAT (up to 8CH) 
1 x S/PDIF 
 USB 2.0 I/O 
USB 2.0 Type B connector  Thunderbolt 
Thunderbolt 3 connector 
Word Clock Outputs 
2x Outputs @ 75 Ohms 3Vpp on BNC 32 - 
192kHz 
Clocking System 
4th Generation Acoustically Focused 
Clocking & Jitter Management 
64-bit DDS 
Sample Rates (kHz) 
32, 44.1, 48, 88.2, 96, 176.4, 192  Bit Depth 
24  https://support.antelopeaudio.com/en/support/solutions/articles/42000067002-antelop