Enjoy an immersive audio experience at home or at a party that only JBL sound can provide.
There's a light mode for every mood: Meter, Pulse and Party mode.
Plug in to the 12V DC output of your car or use the built-in 10,000mAh battery for 18 hours of playtime.
Plug in your mic or guitar and take the stage.
Wirelessly stream high-quality sound from your smartphone or tablet.
Pre-program your party or event with your favorite playlist from a USB thumb drive!
Connect compatible speakers wirelelessly via TWS (True Wireless Stereo using Bluetooth connection up to 2 party speakers) or wired via one RCA outpur to another.
A USB port on the JBL PartyBox lets you charge other USB devices right from the speaker. So you don’t need an extra charger to keep your devices powered up.
The JBL PartyBox 300 is a powerful party speaker with JBL sound quality and vivid light effects. Thanks to its rechargeable battery and 12V DC input you can bring the party everywhere. Just plug in your Mic or Guitar and take the stage or stream your playlist via Bluetooth or from a USB stick. Connect two PartyBox speakers wirelessly with the TWS feature or wired from one RCA output to another RCA input. Let's get the party started!