JBL PartyBox Ultimate Massive Party Speakers Over Ear Speaker bandwidth - Conference mode:

Speaker bandwidth - Conference mode: 250Hz to 7

5 W or lower

Indoors or out

You can also choose which side to place a single battery with no impact to performance for custom balancing

iPhone SE (1st generation)

JBL PartyBox Ultimate Massive Party Speakers Over Ear Speaker bandwidth - Conference mode:JBL PartyBox Ultimate Massive Party Speakers The JBL PartyBox Ultimate can cover a massive spacewe're talking two basketball courtswith superior Original JBL Pro Sound. Featuring two drivers and mid range speaker to deliver louder sound. Dual tweeters and a pair of subwoofers means there's going to be more than enough bass for even the most dedicated fans, while Dolby Atmos* provides immersive 3D spatial effects. This is the kind of thunderous sound