I agree with PP's bass but overall, pp is one of the best amp i have ever owned.
Great sound overall, great design and attention to detail. I am a big fan of Justin's amp. I will look for Shoshine to try them with my PP.
What other amps do you have? I know we both like FAD PF so there is a similarity for taste.
The Soshine's finally ran out. I didn't time it but if they reached 30 hours I would not be surprised. Glad to see that battery death was instant and accompanied by loss of the power light - no slow deterioration in SQ. This fast death is to be expected with Lithium-ions and I like it.
Swapping batteries is indeed simple. Fresh set installed in about a minute and I am good to go for another 20-30 hours.
The Pico Power is a bass monster with IEMs. It is not some crummy bass boost or skewed frequency response; it is clean power that affects different IEMs to different extents. Across the board, anyone who thinks that IEMs don't change much with amplification has to try this amp.