The JBL PartyBox On-The-Go 2 Plus is a premium, portable 100W RMS party speaker engineered for high-energy mobile karaoke and outdoor gatherings. As a notable evolutionary step in the lineup, it retains the highly convenient form factor of its predecessor—complete with a heavy-duty shoulder strap featuring a built-in bottle opener—while significantly boosting battery performance up to 15 hours of playtime and introducing a user-replaceable battery design. The acoustic setup relies on a powerful 5.25-inch woofer combined with dual 0.75-inch dome tweeters to deliver punchy, classic JBL Pro Sound with deep bass enhancement. It features an IPX4 splashproof chassis, making it safe for poolside entertainment, and comes standard with dual wireless digital microphones that automatically connect for instant duets.

What truly separates this version from older compact party units is its advanced technology suite, led by the EasySing AI vocal removal feature. This tool allows users to actively suppress the main vocals of virtually any streaming audio track directly from the top panel or companion app, instantly converting normal music into custom karaoke backings. The top console provides comprehensive, tactile mixing tools, allowing singers to fine-tune echo, reverb, and pitch on the fly, while a secondary 6.3mm input lets players hook up a guitar for a complete live acoustic performance. Wireless connectivity is fully modernized through Bluetooth 5.4 multi-point pairing, alongside an Auracast stereo system that lets you link two units together for a wide soundstage or broadcast the audio across an infinite chain of compatible JBL speakers.