Combination acoustics can be divided into mini combination acoustics and home cinema set commonly.The combination sound that
. The directivity is very good. The sound box that forms with traditional horn commonly, directivity is very poor, you must s
1. High signal to noise ratioThe form of digital audio recording is binary code. When playing back, you only need to judge &q
1. Sound source equipment (DVD, CD, MP3, MP4, computer, mobile phone, microphone and other sound source output equipment);2,