Ibasso pb3 balanced amp with 25mm output jack the pb3 is the new balanced amp and dac from ibasso what are the advantages of a balanced amp the balanced amplifier output voltage is 2 times greater when compared to the output of a single ended amplifier also output power is 4 times more than the single ended amplifier which allows it to drive headphones better and win more headroom btl structure with the patent balance circuit design our balanced circuits are different from other balanced am