福利彩票中奖历史开奖psb speakers is a canadian loudspeaker company founded in 1972 by paul barton. the company is named after barton and his wife sue. paul barton has spent a lot of time during the past few decades researching his speakers in the anechoic chambers at the national research council in ottawa.
福利彩票中奖历史开奖psb speakers produces many lines of speakers from the high-end platinum series to the entry-level alpha series. their speakers are very well respected by audiophiles who prefer a flat frequency response curve. psb has always design loudspeakers that are true to nature. there is nothing added to what is in the music and there is nothing taken away that was intended in the music.
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