Biamp SEQ 301 M2-V is a 1/3-octave 30-band graphic equalizer with a range of features that make it a powerful tool for audio engineers. With a frequency response of 20Hz-20kHz and a total harmonic distortion of less than 0.008%, the SEQ 301 M2-V delivers pristine sound quality. It also features a +12dB filter control cut and boost gain range, a +12dB master level control gain range, and a +15dBu peak LED indicator. The high-pass filter switch (18dB/octave @ 20Hz) and adjustable low-pass filter (18dB/octave @ 3kHz~37kHz) give you precise control over the frequency response of your audio.