This Used Universal Audio Apollo x4 Heritage Edition desktop audio interface is in good condition and delivers world-class recording quality with elite-class A/D and D/A conversion, real-time UAD HEXA Core processing, and Thunderbolt 3 connectivity for ultra-low latency performance. Designed for Mac and Windows, it features four Unison-enabled mic preamps, allowing you to track through authentic emulations of classic preamps from Neve, API, SSL, and more. With two Hi-Z instrument inputs, four combo XLR/TRS inputs, and optical ADAT/SPDIF expansion, the Apollo x4 provides flexible connectivity for any recording setup. It supports up to 24-bit/192 kHz audio resolution and offers monitor controls, talkback, and dual headphone outputs for an all-in-one desktop recording solution. Whether you're producing, mixing, or tracking high-quality audio, this interface is an excellent choice for expanding your creative workflow. Includes power supply, but original packaging and accessories may not be included.