The Tree Audio TreeQ 2 is a single-channel 500 series 2-band parametric EQ module with an all-discrete Class A VF600 op-amp with balanced output transformers The Tree Audio TreeQ 2 has a transformerless input stage using a differential balanced design. It provides up to +/-20dB of gain and a selected frequency range between 35Hz to 1kHz for the low band and 560Hz to 16kHz for the high band. The Q settings offer a wide range of adjustments from 0.16 to 2 octaves. Tree Audio TreeQ 2 Main Features: Low band frequency range 35Hz to 1KHz High band frequency range 560Hz to 16KHz Maximum boost/cut +/- 20dB Range of bandwidth adjustment 0.16 to 2.0 octave Bypass switch VF600 discrete amp blocks Differential balanced input transformerless Balance output transformer Fits standard 500 series slot configuration, mechanically and electrically