Gates and Expanders  - Front End Audio sells Gates and Expanders such as Aphex, Alto, Alesis, Drawmer, DBX, Mackie, PreSonus, Safe Sound Audio, Samson, Solid State Logic SSL, Tapco and more! We offer Gates and Expanders for all vocal, instrument, studio recording, home recording and live audio applications!! We have an assortment of Single Channel, Dual Channel, Multi Channel, Tube, Valve, and Class A Gates and Expanders.