Mint condition & comes boxed with original packaging. This blows anything in this price range out of the water as the pre amps are awesome & no clicks & pops in the recording that I found on similar units in this price range. More pics to follow. PreSonus Studio 1824c – 18×24 USB-C Audio Interface. The PreSonus Studio 1824c is an 18×24 USB-C interface with eight XMAX analogue mic pre-amps and pristine 24-bit 192kHz conversion. The 1824c has all the I/O to fit any scenario, with an additional two low-nose instrument preamps, balanced line level inputs and an ADAT input to add eight more channels when you need them. The Studio 1824c operates at up to 192 kHz for ultra-high-definition recording and mixing. High-quality converters on every input and output and eight of PreSonus’ professional-grade XMAX mic preamps enable you to capture complex musical harmonics smoothly and naturally, with no audible distortion. XMAX mic preamps are known the world over for their ability to deliver incredibly high headroom, deep lows, smooth highs, and a rich overall sound so you’ll hear every breath, transient, and detail in your recordings. Up to 18 inputs/20 outputs simultaneously (8×8 at 192 kHz). 2 mic/instrument/line inputs with XMAX Class A mic preamps. 6 mic/line inputs with XMAX Class A mic preamps. 8 channels of ADAT Optical I/O (4 channels at 96 kHz). 2 balanced ¼ TRS main outputs. DC coupled for sending control voltages. 8 balanced ¼ TRS line outputs for monitor mixing. 2 stereo headphone outputs with individual level controls. Stereo S/PDIF digital I/O. 1 USB-CT compatible 2.0 port. USB-CT to USB-CT and USB-CT to USB-A cables included for compatibility with most computers. BNC word clock output. Studio One® Artist for Mac® and Windows®. UC Surface control software for Mac, Windows, iPad®, and AndroidT. Studio Magic Plug-in Suite. Meters, Controls, and Features. 18×8 onboard DSP monitor mixer. Front-panel level controls for main outputs. Mono and Mute buttons for the main outputs. True +48V phantom power for condenser microphones (global). 10 ladder-style 8-LED level meters (8 input, 2 main output). USB-CT compatible port (USB 2.0). 44.1, 48, 88.2, 96, 176.4, and 192 kHz sampling rates. Road-rugged construction with all-metal chassis and metal knobs. MacOS® 10.11 or higher (64-bit only). Intel® i-series 2 GHz multicore processor (or AMD equivalent) or faster. 4 GB RAM (8 GB or more recommended). Windows® 7 x64 SP1 + platform update, Windows 8.1 x64, Windows 10 x64. Intel i-series 2 GHz multicore processor (or AMD equivalent) or faster. Mac and Windows Systems. USB-CT or USB-A 2.0 port compatiblity. 32 GB hard disk space. PreSonus Universal Control 2.0 or higher. Monitor with 1366×768 resolution (high-dpi monitor recommended). Multitouch-enabled monitor required for touch operation. IOS 10 or later. IPad Pro, iPad Air 2, iPad Air, iPad mini 4, iPad mini with Retina display, iPad (4th generation) (UC Surface). AndroidT 5.0 (Lollipop) or later. Android tablet (8-inch) with 1024×768 resolution (UC Surface).