I own the Grain PWS, I think it is excellent sounding. I'm very critical of speakers, my main audio system has Spendor Sp2/3 speakers. The Grain PWS produces voices with a very natural quality, sound output and bass is impressive for a small/tiny speaker - obviously it is no match for the Spendors, but for what it is, well done.
I read the review on Amazon comparing these to the Bose, gotta say I'm a skeptic, never liked Bose products, but I'll put it on my to do list to give them a listen sometime. Meanwhile, I give the Grain PWS a strong endorsement.