JBL Battery 400 Spare Battery - Compatible with The JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker (Speaker Sold Separately) Q1 JBL 2414H-C 1" polymer diaphragm

JBL 2414H-C 1" polymer diaphragm compression driver improves high frequency performance as well as system reliability

Polk Audio OWM3 Wall and Bookshelf Speakers (4 Speaker Bundle)

Can be mounted vertically or horizontally

Rand McNally RANDTAB8 8" Rand Tablet Truck GPS with Rand Navigation

JBL Battery 400 Spare Battery - Compatible with The JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker (Speaker Sold Separately) Q1 JBL 2414H-C 1" polymer diaphragmPrice Match Guarantee JBL Battery 400 Spare Battery Compatible with The JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker (Speaker Sold Separately) The JBL Battery 400 is an external battery designed to extend the playtime of compatible JBL speakers. Here's a breakdown of its key features: Double the Playtime: Each battery provides up to 18 hours of additional playtime for your speaker, effectively doubling the total playtime on a single charge.