JBL Partybox 300


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!

General Specifications

Power Inputs

100-240V AC and 12V DC

Input Terminals

RCA L/R, USB port, 3.5mm Aux-in, Mic/Guitar with volume control

Wireless Connectivity

Bluetooth Technology

Output Terminals


TWS (True Wireless Stereo) connecting up to 2 party speakers using Bluetooth technology


Bass Boost


Frequency Response


Battery type

Lithium-ion 74.88Wh (equivalent to 7.2V 10,400mAh)

Battery charge time

5 hours

Battery Playtime

18 hours*

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