【 Weak current College 】 lighting and audio equalizer to adjust method

Subwoofer: 20Hz-40Hz, appropriate sound strong. Control of Thunder, bass drum, organ and bass sound. Excessive lifting will make music become cloudy.
Bass: 40Hz-150Hz, is part of the basis of sound, its energy accounted for the entire audio energy of 70%, is the performance of the musical style of important ingredients.
Where appropriate, the bass sound relaxation properly, when you full soft enough, sound thin, excessive lifting 150Hz will make the sound from a dull, luminance drops, nasal sound enhancement.
Bass: 150Hz-500Hz, is part of the structure of the voice, the voice at this location, is low, the sound of singing will be inundated with music, sound, soft but unable to find the right upgrade is thick and strong, increasing the intensity and loudness of the sound. When upgrading over the bass becomes stiff, excessive lifting 300Hz Department 3-6dB, if coupled with reverb, it will seriously affect the clarity of the sound.
Baritone: 500Hz-2KHz, contains most of the musical instruments of low harmonic and overtone, Xiaojun drum and percussion instruments is the feature code. Appropriate sound thorough bright, insufficient sound obscure. Excessive lifting will produce similar phone voice.
Treble: 2KHz-5KHz is string feature codes (La musical bow and string of friction and noise, plucking the strings of your fingers touch the music sounds a). Insufficient sound penetrating power drops, too strong when the masking language syllable recognition.
Treble: 7KHz-8KHz is the frequency of the sound level. Excessive increase makes the Piccolo, flute sound, language pronunciation of teeth and timbre nervous aggravation.
Extreme treble: 8KHz-10KHz suitable, recorder triangle and a sense of vertical metal fork high permeability, the rhythm of the sand clock. Excessive lifting will make the sound is natural and easy to burn high frequency units.