The DB-02 ,which is equivalent to two DB-01 packed in a box. *The DB-01 is one of the most useful and versatile tools available indispensable in enabling easy interfacing and connection between various audio gear in numerous applications.*Input attenuation: switchable (0dB, -20dB, -40dB)*Instrument input: 50K unbalanced TS jack*Parallel (link) out: 50K unbalanced TS jack*Balanced output: 600 balanced XLR jack*Ground lift: switchable ground lift*Construction: all steel chassis

                    S-EQ231A is stereo 31-band graphic equalizer with 1/3 oct.Optional range for boosting and attenuating: +/-12dB or +/-6dB.Fixed Q character.Optional low cut filter.Optional bypass mode.5 segment LED level indicator.Max output level:                  +20dB/+26dB (balanced)Total harmonic distortion:      0.05%Signal noise ratio:                  96dBLow cut filter:                         80Hz 12dB/oct*S-EQ231A has L/R mix output function of 30Hz~200Hz continuously-adjusting low pass filter.

                    *S-EQ215A is stereo 15-band graphic equalizer with 2/3 oct.*Optional range for boosting and attenuating: +/-12dB or +/-6dB.*Fixed Q character.*Optional low cut filter.*Optional bypass mode.*5 segment LED level indicator.*Max output level:                  +20dB/+26dB (balanced)*Total harmonic distortion:      0.05%*Signal noise ratio:                  96dB*Low cut filter:                         80Hz 12dB/oct*S-EQ215A has L/R mix output function of 30Hz~200Hz continuously-adjusting low pass filter.

                    6.35mm jacks              3-pin XLR                    RCA                             3-pin DIN                       5-pin DIN                       4-pin speakon