Announced overnight, releasing December 15th. One of the first products utilising xMEMS technology (piezo silicon MEMS driver, similar to how speakers in your phones work), certainly the first one below $1000. Dynamic driver used for the bass.
Both offer ANC and support the following bluetooth codecs: SBC, AAC, aptX, aptx Adaptive, LC3.
The Ace 2 has a better Qualcomm chipset in it and additionally supports aptX lossless (limited to 16-bit/44 kHz instead of 24-bit/48 kHz), and offers an AI-enhanced adaptive ANC that would likely rival what's in the Airpods Pro 2nd gen.
No LC3Plus is a little disappointing, but aptX lossless should provide good fidelity if the 16-bit signal is being well converted. As with any piezo-type driver a potential caveat with this technology is bass quantity, and how quality suffers as they try to boost that, but detail/resolution, separation of notes, and perhaps even timbre could be potentially be high value for the price point.
While there are some early impressions I would personally wait for reviews as tonality is likely to be unbalanced as they rush to be first to market, but for those who want the new new, enjoy!
Thanks, been waiting months for this :)