The OMNITRONIC EQ-25 MK2 is an analog, one-channel stereo equalizer for DJ and studio applications. It provides five fixed-frequency tone-control bands at 75 Hz, 300 Hz, 1 kHz, 3 kHz, and 10 kHz, with a control range of ±12 dB. The unit features ALPS RK27 rotary potentiometers, a bypass switch, overload indication, balanced XLR connectivity, unbalanced RCA connectivity, and a 19-inch, 1U rack-mount housing.