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JBL Signature Sound
Enjoy an immersive audio experience at home or at a party that only JBL sound can provide.

Light shows
There's a light mode for every mood: Meter, Pulse and Party mode.

Portable with rechargeable battery
Plug in to the 12V DC output of your car or use the built-in 10,000mAh battery for up to 18 hours of playtime.
Features

Mic and guitar inputs
Plug in your mic or guitar and take the stage.

Wireless Bluetooth Streaming
Wirelessly stream high-quality sound from your smartphone or tablet.

USB playback
Pre-program your party or event with your favorite playlist from a USB thumb drive!

TWS and RCA
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.
USB recharging for external devices
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.
Frequently Bought Together
Specs & Downloads
Item# JBLPARTYBOX300AM-Z
Description
Be Loud, Be Proud, Be Ready To Party!
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
- Output power (W)
- 240
Audio Specifications
- Dynamic frequency response range (Hz)
- 45Hz-20kHz
Dimensions
- Dimensions (in)
- 12.2 x 27.2 x 12.6
- Dimensions (cm)
- 31 x 69 x 32
- Weight (kgs)
- 15.84
- Weight (lbs)
- 34.9
Control and Connection Specifications
- Bluetooth profiles
- A2DP V1.3, AVRCP V1.6
- Bluetooth frequency
- 45Hz-20kHz
Battery
- Charging time (hrs)
- 5
- Maximum music playing time (hrs)
- 18
Features
- Charging cable
- Yes
- Lightshow
- Yes
- 3.5 mm audio cable Input
- Yes
- Powerbank
- Yes
- JBL Signature Sound
- Yes
- Wireless
- Yes
- Rechargable battery
- Yes
- Bluetooth
- Yes
Notification
- Note
- The product is in compliance with the European Union energy legislation. 1) Bluetooth connection mode - The product is intended to be used for streaming music via Bluetooth connection. A consumer can stream Bluetooth audio to the speaker. When the product is connected through Bluetooth, the Bluetooth connection must remain active at all times to ensure proper operation. The product will enter into sleep mode (networked standby), after 20 minutes without operation, the power consumption @ sleep is less than 2.0 Watts, after which it can be re-activated via Bluetooth connection. 2) Bluetooth disconnection mode - The product will enter into standby mode, after 20 minutes without operation, the power consumption @ standby is less than 0.5 Watts.
What's in The Box?
- 1 x JBL Party Speaker
- 1 x AC Power Code (AC Plug varies by Region)
- 1 x 12V DC Cable
- 1 x Quick-Start Guide
- 1 x Warranty Card
- 1 x Safety Sheet

Documents & Downloads
Reviews and Q&A
Customer Reviews
Product Q&A
Hello, Is anyone else experiencing the issue of the sound stopping on Aux connection if the Volume from your laptop is below 12/100 ?
Hi, I see that you can plug in a guitar to this speaker. Is it safe to plug in a bass guitar as well. Secondly is the input for the guitar a typical 1/4" guitar cable jack, or would I need an adapter from 1/4" to 3.5mm? Thanks!
Partybox 300 is turing up or down on its own when connected to iphone. At this point you cannot change the volume on device. You have to go to the speaker and increase or decrease volume. This is happening often . Has this happened to anyone else?
can i pair two jbl 300 speakers in stereo
Is the JBL 300 stereo sound setup or mono
Can this speaker be mounted to a stand? If so , which model?
Can I play 2 speakers at once and able to connect 2 18 inch ACTIVE SUB WOOFERS
would the jbl boombox with 2 or 3 charge 3s connected to it be louder than the partybox 300 or better in sound quality?
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