Tracking, Mixing, and Mastering
The key to its analog sound is onboard UAD-2 DUO or QUAD DSP Processing, which powers the UAD plug-ins while reducing the strain on your host computer.
Apollo 8 comes bundled with “Realtime Analog Classics Plus” suite of UAD plug-ins. From there, you can choose from a vast and expanding collection of plug-ins in the UA Online Store.
—Dan Auerbach (The Black Keys)