I am surprise Hisoundaudio are good at DAP, AMP, and earphone three audio fields. It’s DAP is superb as most owner have praised. And it’s buit-in AMP are better than lot of portable AMPs, at least can be listed among the top brands. Now it’s earphone of PAA1 also so perfect that can defeat any other stock earphones. Some report PAA1 is the YUIN level. A headfier sold PAA1 with the price of USD 40 to other AMP3 owner as the backup earphone of AMP3. because his out ear is too small to hold PAA1and have no suggestion retail price. To my ear, PAA1 is the best earbud to pair with the AMP3. I can feel that PAA1 and AMP3 are fine systematical auditioned. Although PK1 and other IEM are perfect paring with AMP3, I still love the “musical taste” out of PAA1, saying, this is the music feeling.
Every field of DAP, AMP, and earphone is a huge systematical engineering works. Generally some makers good at DAP design, such as Cowon, Hifiman,some good at amp design, such as IBASSO, PICO, and IQUBE. Some good at earphone design, such as SENN , GRADO, KOSS or so.
Few companies are good at crossing the 3 main segments of the Audio system. I think audio set up is a system work.. Even if you have a good DAP, or good amp, or good earphone, You have to pare it perfectly. It is no strange that AMP3 has so amazing sound quality, it should contribute to the systematical design.
Thus, Hisoundaudio is a new awesome monster popping up to the portable audio field. AMP3 pro2,Studio, and the next model of Master, the team of Hisoundaudio is worth to be expected.