The Biamp EQ 140 is a nice vintage piece of live sound equipment. It's a professional parametric equalizer that features individual filter peak level indicators, individual filter in/out switches, two high depth notch filters, and two shelving filters. CONDITION SPENCERTIFIED- Fully certified by Spencer Refurbished and SPENCERTIFIED Every function has been confirmed 100% working. We have cleaned it inside and out and replaced any worn parts. A recap was performed if necessary. All pots, knobs, connectors and boards have been cleaned with CRC cleaner. Cosmetic Condition: Very Good. Functional Condition: Works Like New . WHAT'S IN THE BOX? Biamp EQ-140 Professional Parametric Equalizer Other information about the Biamp EQ140 Master EQ In/Out Switch X1/X10 - these switches multiply the range of the corresponding frequency control by 10 In/Out Switches - enables or disables each of the four parametric filter sections individually -dB (Boost/Cut) - adjusts the amount of boost or cut applied by the corresponding parametric filter +10 Indicator - these LEDs indicate the signal level in the equalizer Master Gain - adjusts the overall gain of the equalizer Frequency - adjusts the center frequencies of the parametric filter sections Circuit breaker on the back panel DIMENSIONS 19" x 7" x 1.85" (Length x Width x Height) INPUTS XLR Connector x1 (back) OUTPUTS XLR Connector x1 (back) MANUFACTURER Made in USA