Made in Rochester, New York, U.S.A. 1981MXR ‘block’ logoSix slider controls used to boost or cut specific frequency bands (100Hz, 200Hz, 400Hz, 800Hz, 1.6KHz, 3.2KHz) by ±18dbStandard ¼” input and output mono jack socketsNo DC power supply input (9V battery only)As used by Eddie Van Halen and Joe Perry from Aerosmith
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