ATech - JBL PartyBox 300 Portable Bluetooth party speaker with light effects JBL Signature Sound Enjoy an immersive audio experience at home or at a party that only JBL sound can provide.
JBL PARTYBOX 300 - NEW FIRMWARE (381221) | SOUND TEST | 100% VOLUME 😱 - YouTube
JBL® Grows PartyBox Category with Encore Speaker | HARMAN
JBL PartyBox 300 Portable Bluetooth® speaker with light display at Crutchfield