JBL PartyBox 300 Portable Bluetooth Party Speaker

No longer available at zZounds
This JBL powered speaker is ready to party all night -- with killer built-in lighting effects, Bluetooth streaming audio and an 18-hour rechargeable battery.

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!


- 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 12V DC source or use the built-in 10,000mAh battery for 18 hours of playtime.
- 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 wirelessly via TWS (True Wireless Stereo using Bluetooth connection up to 2 party speakers) or wired via one RCA output 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.
- 240 watts peak power

- Powerbank: Yes
- Splashproof: Yes
- Lightshow: Yes
- Bluetooth: Yes
- 3.5 mm audio cable Input: Yes
- Auto-power off: Yes
- Karaoke function: Yes


- 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: RCA L/R
- TWS (True Wireless Stereo): connecting up to 2 party speakers using Bluetooth technology Yes
- Bass Boost: Yes
- Frequency Response: 45Hz-20kHz
- Battery type: Lithium-ion 74.88Wh (equivalent to 7.2V 1040mAh)
- Battery charge time: 5 hours
- Battery Playtime: 18 hours*
- Transducers: 2x6.5" woofer, 3x2.25" tweeter
- Output power: 240 watts peak

- Battery capacity (mAh): 10,400
- Charging time (hrs): 5

- Dimensions (wxdxh): 12.2" x 12.5" x 27.1" (310mm x 320mm x 690mm)
- Weight: 34.92 lbs (15.84 kg)

For support or warranty questions, please contact the manufacturer:
Phone: 800-336-4525
Web: https://jblpro.com/en/support for pro audio, https://support.jbl.com for consumer/home audio

Reviewers gave this product an overall rating of 5 out of 5 stars. (8 ratings)
Submitted August 22, 2019 by Javier N in Miami, FL

"JBL and Zzounds do not disappoint..."

Overall: 5 out of 5 stars
(see rating details)
Verified Customer zZounds has verified that this reviewer made a purchase from us.
as always JBL does not disappoint at the same price point as the JBL boombox this partybox is a great deal, I've had the product for a couple of months now and I enjoy it very much, it's easy to carry around so I can take a practically anywhere, it is now my go-to when I'm going to the beach or what I'm having picnic at the park or what I'm just having a party at the house it does the job, I recommend this product to anyone who loves nice salmon music for various occasions... and also thank you zZounds for the great customer service all the years that I've been with you guys

Musical Background:

27 years

Musical Style:

Hip Hop, soft rock, reggaeton, & pop
4 of 4 people (100%) people found this review helpful. Did you?
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No longer available at zZounds

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