I will do a schematic and pcb, power audio amplifiers, pre amplifiers

this is for Hi-Fi Lovers, will Include Microphone or Power Amplifiers, Mixers, Graphic Equalizers 4 Bands or More, Low Pass Filters High Pass Filters, Band Pass Filters, Noise reduction, Speaker Sets Tweeter, Woofer, Middle range, Sub Woofer circuits. Active and Passive Filtering Automatic Gain Control (AGC) Circuits self-Amplified Speakers with Treble and Bass Control for Automobiles, for Professional Music and Home uses. Pay Attention if require or you want give me the Values in Decibels or any of it's derivative Units i will charge you $70 for converting into Volts, Millivolts or Watts, Milliwatts otherwise you must convert yourselves into Volts Millivolts or Watts, Milliwatts