From QRZ.com: "The Symetrix 628 audio processor is a professional broadcast radio station grade voice processor. Similar to the popular Symetrix 528E, this model improves on that long standing reputation by adding in memory storage for multiple voice personalities (aka memories, so you can store all your settings to a "profile" for easy recall)."
3-band parametric equalizer with fully adjustable frequency, bandwidth, and gain for low, mid, and high points.
Fully adjustable De-Esser to get rid of any high frequency quirks in your voice
Fully adjustable noise gate and downward expander to completely eliminate background noise
Fully adjustable compressor to improve average "talk power"
Fully adjustable output level
Some cosmetic blemishes. Minimal use in climate-controlled home studio.
Model:628 Digital Voice Processor