With 15 dB of available boost or cut per band, the EQ700’s seven frequency bands were carefully optimized to provide the ultimate tools for EQ’ing your guitar. Of course, to make full use of the EQ700’s capabilities, it helps to first understand some basics about the frequency range of your axe. The EQ700 covers the audio spectrum from below 100 Hz to over 6.4 kHz, allowing you to effectively cut or boost a slew of frequencies to help bring focus to your sound.