The Coleman Audio CA500M is a 4 band stereo equalizer. The inputs & outputs are balanced on XLR connectors. The EQ in switch turns the entire equalizer on or off. The high frequencies (8kHz, 10kHz, 12kHz and 16kHz) can be switched between shelving or peak EQ with 5db of boost or cut in 1db discrete steps. The low frequencies (30Hz, 60Hz, 100Hz, and 150Hz) are shelving EQ with 5db of boost or cut in 1db discrete steps. The two mid bands are peak equalizers with frequencies overlapping by 1/4...

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