This Used Universal Audio Apollo x4 Heritage Edition Thunderbolt 3 Audio Interface is in great condition and offers elite-class A/D and D/A conversion, real-time UAD processing, and seamless Mac and Windows compatibility. Featuring four Unison-enabled preamps, dual Thunderbolt 3 ports, and an extensive plugin bundle, the Apollo x4 delivers world-class sound quality and low-latency performance for recording, mixing, and production. With a dynamic range of up to 127 dB, it ensures pristine audio capture, while the HEXA Core processor provides 50% more DSP power for running UAD plugins. The interface includes two Hi-Z instrument inputs, two headphone outputs, and optical ADAT/SPDIF expansion, making it a versatile solution for professional studios and mobile recording setups. Whether you're tracking vocals, guitar, or a full band, the Apollo x4 delivers legendary UA sound and industry-leading performance in a compact, desktop-friendly design. Includes power supply and Thunderbolt 3 cable.