UPC1892 Preamplifier Tone Control Board HIFI Fever Level Power Amplifier Front Board Speakers DIY

Features 1 The kit is easy to assemble free of debugging and you can complete the assembly by sitting in the seat and experience the fun of DIY 2 Adopting a brand new excellent performance four channel ring surround sound super large scale processing chip UPC1892 powerful performance we removed the circuit that is not commonly used and took the tone control part of the main channel to make the circuit simpler and better 3 Compared with LM1036 the bottom noise is lower the sound quality is better the high and low effects are better than 1036 the treble is clear and crisp and the bass is strong and powerful 4 The UPC1892 treble balance volume control is DC there will be no rustling of the potentiometer and there will be no interference with the potentiometer using wire lead 5 PCB adopts 1 6mm thick double sided glass fiber board spray tin process FR4 Kingboard board first class quality Product parameters Product name DC voltage control UPC1892 fever preamp tone boardWorking voltage AC DC single power supply AC 10 20V DC 12 30VCurrent More than 200MA is enough Signal input 300 600mVSignal to noise ratio 90dbNon linear distortion 0 01 Maximum output about 100mWFrequency range 20Hz 20KHzPCB size 100 x 50 x 1 6mmFR 4 double panelFinished product size 100 x 50 x 30mm length x width x height without potentiometer handleNet weight of cost board about 75gPackage included 1 x UPC1892 Preamplifier Tone Control Board