Product info:
two 7-1/2" woofers and two 1" dome tweeters
bass-reflex cabinet with rear-firing port
frequency response: 40-20,000 Hz
system power: 400 watts RMS
built-in Bluetooth 5.4 for streaming music from your mobile device
wirelessly pair two JBL PartyBox 520 speakers for stereo sound or link additional Auracast™-compatible speakers
bass boost
 
Inputs:
stereo 3.5mm minijack for portable devices
USB port for flash drives
microphone and guitar inputs with independent volume controls
 
JBL PartyBox app:
free download from Apple® App Store and Google Play
sound effect presets
 
Other info:
telescopic handle and built-in wheels for easy transport
built-in replaceable battery delivers up to 15 hours of continuous operation
detachable AC charging cable included
16-3/8"W x 30-5/16"H x 14-9/16"D
weight: 56.2 lbs.