Fully tested, in very good condition, some minor scratches from use. Comes with power lead. The Focusrite Clarett 8Pre Thunderbolt Audio Interface is. A professional-grade audio interface designed for studio recording. It features eight high-quality Clarett mic preamps, 24-bit/192 kHz converters, and a range of analog and digital I/O options. Eight Clarett mic preamps with switchable Air Effect, which gives microphones the air and clarity of an ISA transformer-based mic preamp. Eight analog inputs, ten analog outputs, and two high-impedance JFET instrument inputs. 16 channels of ADAT I/O, stereo S/PDIF I/O, and word clock I/O. Thunderbolt connectivity with ultra-fast performance and low latency. Up to 192 kHz sample rate and 24-bit resolution. Up to 124dB dynamic range and low distortion. Adds presence and clarity to recordings, recreating the legendary character of the ISA. Independent A-D and D-A converters. Offer ultra-low distortion and up to 124dB dynamic range. Hum-free for pristine monitoring, mixing, and mastering with studio monitors. Two powerful headphone outputs. Flat-response and easy to mix in any environment. Thunderbolt 1, compatible with Thunderbolt 2 and Thunderbolt 3 ports using an Apple Thunderbolt 3 to Thunderbolt 2 adapter. Compatible with Windows and macOS.