LG is adding a karaoke-focused party speaker to its lineup of Xboom devices, which is built in collaboration with Will.i.am. Announced this week, LG says the Stage 501 speaker comes with an "AI Karaoke Master" that can remove or adjust vocals from "virtually any song," similar to the Soundcore Rave 3S.It can also adjust the pitch of the songs to make them more comfortable to sing, and it doesn't require karaoke-specific audio files to do so, according to LG. Like its predecessor, the Stage 501 features a five-sided design but comes equipped with upgraded dual woofers and full-range drivers that LG claims will deliver richer audio. The swap …Read the full story at The Verge.