Antelope Audio Discrete 4 Pro Synergy Core Audio Interface Purchased from Sound House at the beginning of this year and used with care. Selling due to equipment consolidation. Although there are minor scratches, the overall condition is good. Will be shipped after deactivation. All accessories are included. Immediate purchase OK Please consult in the comments regarding price negotiation. A high-performance audio interface equipped with 4 XLR/TRS combo inputs. - Model: Discrete 4 Pro Synergy Core - Input/Output Terminals: 4 x XLR/TRS Combo Inputs, 4 x TRS Outputs, Headphone Output - Connection Type: USB Connection - Other Terminals: S/PDIF, ADAT, WC OUT, MONITOR OUT, LINE OUT - Volume Control: Analog Volume Knob Thank you for looking.