DOD 430QX Stereo Graphic Equalizer Rack EQ | Reverb
Speck Model ASC 4-Band Equalizer – Transfomer Version – Sonic Circus
Amazon.com: EMB EQ76 19'' Rack Mount Dual 15 Band 4 Input Stereo Graphic Equalizer Pro DJ with 2 RCA line input and output, Removable Rack Mount Brackets and 110V/220V Switchable Power Source :