B-Stock, MÄAG EQ2-500; 1-channel 2-band equalizer 500 module; frequency bands Q in red: 40 Hz, 65 Hz, 150 Hz, 250 Hz and 1 kHz, frequencies wider Q setting in white: sub (10 Hz), 57 Hz, 88 Hz, 220, 400 and 1. 4 kHz; input attenuator with 0 dB up to...