Buy the Sherwood Stereo Graphic Equalizer EQ-200 | GoodwillFinds
Professional Dual 15-Band Stereo Graphic Digital Equalizer MU-EQ15B - MUSYSIC
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 :