How big is JBL's PartyBox 300 Bluetooth speaker? Well, it's smaller than a car, but it's larger than just about any other speaker we've ever reviewed. At $449.95, it's also quite expensive. Beyond pumping out earth-shattering bass, it's a karaoke box, so its name is apt: This speaker is for parties, not so much for Tuesday nights at home with a glass of wine and a book. Is it worth the price and the space its huge frame requires? Only someone in the market for a karaoke speaker that can shake the earth's crust, double as a guitar amp, and put on an LED light show can really answer that question. Ultimately, if you're looking for a mega speaker to power your next party, the PartyBox 300 won't disappoint. Design Measuring 27.1 by 12.2 by 12.6 inches (HWD) and weighing in at a cumbersome 35 pounds, the PartyBox 300 has built-in handles, as well as built-in rubber feet on two side panels and the bottom panel as well, so it can be oriented vertically or horizontally. It's easiest to op...
Only you know whether you need a $450 PA-system-like Bluetooth speaker with karaoke functionality. If so, the JBL PartyBox 300 won't let you down.
Insanely loud with two levels of bass boost; Mic and instrument inputs with gain knobs for karaoke and live music; Solid connectivity for wired or wireless audio
Massive; Heavy; Expensive; No cables included for audio connections; Mic input is not XLR