22-BAND DSP AUDIO EQUALIZER: Each channel is equipped with 12 adjustable frequency bands, which can be precisely adjusted within the range of ±12dB. Its frequency response range is from 10Hz to 20kHz, and you can freely customize the audio settings to meet your specific preferences HIGH/MID/BASS INDEPENDENT ADJUSTMENT FUNCTION: dual 22-band fader flashing lights, treble/mid/bass signal strength at a glance to help you easily adjust the desired parameter effect, music can easily improve the sound quality through equalization ENHANCE CLARITY AND NOISE REDUCTION: Say goodbye to distracting background noise! ​​Our audio equalizer uses advanced noise reduction technology to effectively suppress interference and improve the clarity and fidelity of audio output. Immerse yourself in rich, clear, undisturbed sound MULTIPLE INPUT AND OUTPUT METHODS: The audio control equalizer supports XLR balanced and TRS unbalanced input and output, whether you are building a home studio, a live sound system or professional audio equipment, it can meet your various needs INTELLIGENT NOISE REDUCTION FUNCTION: With cutting-edge noise gate noise reduction function, it can prevent howling in any occasion, prevent broken sound howling, and output high-definition sound quality. Our unique 22-band design allows you to customize your sound effects in unprecedented ways