Desktop USB-3 sound card with 2 in and 4 out with real-time UAD-2 Solo processor for PC. Compact sound card with 2 analog inputs, 4 analog outputs and class-leading Universal Audio AD/DA converter, with built-in UAD-2 DSP SOLO processor. Record with real-time UAD plugins, Unison preamps with ultra-low latency in top quality. Apollo Solo works with all popular DAWs, such as Pro Tools, Cubase, Ableton Live and more.