The "ROLAND/E-215" is a 2-channel graphic equalizer with 15 bands per 2/3 octave. It allows for wide and detailed equalization within a frequency range of 25Hz to 16kHz. ● Equalization/bypass can be switched. Channel switching is also possible via a remote switch. ● Total level control allows for compensation of volume differences during equalization. ● Equipped with a high-pass filter, frequencies below 40Hz can be cut. ● Each channel is equipped with peak/signal indicators for optimal settings without distortion. ※ Some knobs are missing. * Accessories are limited to what is shown in the photos.