JBL Boom Box4

• Speaker Type: Portable Bluetooth speaker
• Output Power:
  • 210W RMS (plugged into AC power)
  • 200W RMS (battery mode)
• Drivers:
  • 2 × 5-inch woofers
  • 2 × 0.75-inch tweeters
  • 3 passive radiators
• Frequency Response: 37 Hz – 20 kHz
• Bluetooth Version: 5.4
• Battery Life:
  • Up to 28 hours (standard)
  • Up to 34 hours (with Playtime Boost)
• Charging Time: Approximately 3 hours
• Battery Capacity: 99.02 Wh rechargeable lithium-ion battery
• Water & Dust Resistance: IP68 rated
• Dimensions: 51 × 26 × 21 cm
• Weight: 5.89 kg
• Ports:
  • USB-C audio input/output
  • AC power input
• Special Features:
  • AI Sound Boost
  • Auracast multi-speaker pairing
  • USB-C lossless audio playback
  • Built-in power bank
  • Replaceable battery
  • Dual Bass Boost modes (Deep Bass and Punchy Bass)

Best For

• Outdoor parties
• Poolside and beach use
• Long-duration playback
• Users who want powerful bass and high volume output without sacrificing portability.