Auzentech設計了一個平衡供電系統(Balanced Power Generation System), 用以產生正電源與負電源。平衡供電系統同時產生正電源與負電源,並使用高於聲音頻率訊號的工作頻率,確保電源轉換的噪音不會影響類比聲音系統。平衡供電系統的特性,在於正電源與負電源被同步了,從正電源或者是負電源端所產生的漣波,將會對另一個電源端產生負向的影響,因此平衡供電系統,可以確保OPAMP的輸出,將不會受到平衡供電系統的影響。

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I'm using the LME49720 in the buffer spot and 2xOPA2107 in the I/V section. The soundstage is about the size of stock (nothing like 2x49720 in the I/V), but the bass is the best I've heard quality-wise, and is in plentiful quantity. The highs are more prominent as well but, unfortunately, they're scratchy/grainy (not smooth) and at times, quite fatiguing. However, the main benefit of this setup is that the overall transient response is noticeably improved over all other opamp combinations and it really produces a detailed, quick, high-energy sound.
At low volumes, this setup sounds good, but at high volumes, I prefer the LME49720 in the I/V section. I wish I could combine the bass/transient speed of the OPA2107 with the smooth treble and huge soundstage of the LME49720.