Scan through a manufacturer's manual – or maybe even the audio device's retail packaging – and you're likely to read a specification called Total Harmonic Distortion (abbreviated as THD). You can find this listed on speakers, headphones, media/MP3 players, amplifiers, preamplifiers, receivers, and m
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The presentation of CORE Color Temperature，The presentation of CORE CCT
Comparison of LED,CFL,HALOGEN,Incandescent from core lighting.core lighting is a professional LED manufacturer from china. .
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