The Universal Audio Apollo Solo is a premium desktop 2x4 Thunderbolt 3 audio interface, perfect for musicians, producers, and content creators seeking studio-quality sound in a compact form. This used unit is in excellent condition and delivers world-class A/D and D/A conversion, two Unison-enabled mic preamps, and real-time UAD plugin processing for near-zero latency tracking. Compatible with both Mac and Windows, the Apollo Solo supports up to 24-bit/192 kHz audio resolution and features a durable all-metal enclosure. With built-in UAD-2 SOLO Core processing, it lets you record and mix using the same plugins favored by top professionals.