210W Portable Speaker | 34H Battery | IP68 Waterproof | AI Sound Boost

The JBL Boombox 4 is the most powerful portable speaker JBL has ever created. Bigger, bolder, and better than ever, this flagship boombox delivers earth-shaking bass and crystal-clear highs that can fill any space—from backyard parties to beach gatherings.

🔊 Key Features:

• 210W Peak Power: 2x 65W woofers + 2x 40W tweeters deliver room-filling JBL Pro Sound

• AI Sound Boost: Real-time audio analysis optimizes power while minimizing distortion, even at max volume

• 34 Hours Playtime: 28 hours standard + 6 hours with Playtime Boost; 10-min charge = 2 hours playback

• Dual Bass Boost Modes: Deep Bass (orange) for rumbling lows or Punchy Bass (white) for tight, energetic thump

• IP68 Waterproof & Dustproof: Survives full submersion, sand, dust, and the roughest outdoor conditions

• Lossless USB-C Audio: Plug into laptop for studio-quality wired playback

• Auracast™ Multi-Speaker: Stereo pair two Boombox 4 units or connect multiple Auracast-enabled JBL speakers

• Bluetooth 5.4: LE Audio ready with LC3 codec support

• Replaceable Battery: Swap in three steps for extended life (battery sold separately)

• Eco-Friendly Construction: 70% recycled plastic + recycled fabric grille + FSC-certified packaging
  

📦What’s in the Box

• 1 x JBL Boombox 4 Speaker

• 1 x AC Power Cord (plug type varies by region)

• 1 x Quick Start Guide

• 1 x Safety Sheet

• 1 x Warranty Card