Amazon.com: Behringer ULTRAGRAPH PRO FBQ1502 Audiophile 15-Band Stereo Graphic Equalizer with FBQ Feedback Detection System : Musical Instruments
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 :