JBL’s new wireless mics can improve your pitch. | Image: JBL Karaoke is more fun for everyone when the person holding the mic sounds as good as a song's original performer. So the latest addition to JBL's PartyBox Bluetooth speaker line, the On-the-Go 2 Plus, comes with one of the compa ny's new EasySing wireless microphones, which use an algorithm to silence a song's vocals while also helping a karaoke singer stay on pitch and hit more challenging high notes. The On-The-Go 2 Plus is now available for preorder from the company's website for $419.95, with availability expected to start on April 5th. It's an update to JBL's original PartyBox On-The-Go speaker, and while it still delivers up to 100W of s … Read the full story at The Verge. ...read more read less