EQ231 Dual 25-Band Stereo EQ Graphic Equalizer Professional Hifi Bluetooth Equalizer for Home KTV Description: Stereo equalizer is an electronic device that can adjust a large number of electrical signals of various frequency components, compensate for the defects of speakers and sound fields by adjusting electrical signals of various frequencies, and compensate and modify various sound sources. The equalizer adjusts the high-frequency, medium-frequency, and low-frequency electrical signals respectively to improve the sound quality. Through the distribution of the push-pull keys on the panel, the graphic equalizer can visually reflect the balanced compensation curve that is called. The increase and attenuation of each frequency can be seen at a glance. It uses a constant Q technology, and each frequency point is equipped with a push-pull potentiometer. Therefore, the frequency bandwidth of the filter is always the same regardless of whether a certain frequency is raised or attenuated. The structure of the graphic equalizer is simple and intuitive, so it is very widely used in professional audio. Package Included: - 1 x Stereo Equalizer