B9Scrambler posted on Head-Fi a review of the updated IEM Havi B3 Pro called the Pro II. The Pro II has a bit more bass than the originals but from the review it sounds like the change didn’t overpower the positives of the original. However, if you are looking for a neutralish treble forward IEM the Pro is likely your choice.
Pros – Punchy low end – Excellent clarity and detail – Immersive soundstage
Cons – At their best when amped