ya. agree, but in singapore A300P(with full music 300B) is about $S3K, too expensive, so got a second hand AS-6i 300B, much cheap, only S$1.3K, now how much for 2 pair 300B Full music? and someone recommon me to use M-cap 2.2 uf oil caps to mod 17A, did u try before? also expensive, aboutS$80 each.