Elite Audio Conversion and Unison Preamps, on your Desktop. For a limited time, purchase an Apollo Twin X Quad and receive a free platinum plug-in suite ($1543 value) including Antares Auto-Tune Realtime Advanced, Helios Type 69 Preamp & EQ, Teletronix LA-3A, V76 Preamp, Century Tube Channel Strip, EP-34 Tape Echo and Oxide Tape Recorder. To receive these plug-ins, simply register your Apollo interface on