Keep the Beat Going

Enjoy up to 28 hours of wireless Bluetooth playtime on a single charge, with an extra 6 hours from JBL Playtime Boost to keep the music going even longer.

Share the Vibe

Use Auracast to connect two Boombox 4 speakers for a wider soundstage, or link multiple Auracast-enabled speakers to share music. Select Deep Bass or Punchy Bass mode to suit your mood.

Maximum Clarity

Experience detailed audio playback by connecting the JBL Boombox 4 Bluetooth speaker to your laptop or device via USB-C, enabling richer sound with compatible lossless audio sources.

General Specifications

• Output Power (W): AC mode: 2 x 65W RMS Woofer, 2 x 40W RMS Tweeter; Battery mode: 2 x 60W RMS Woofer, 2 x 40W RMS Tweeter
• Power Input: 100 – 240V AC, 50/60 Hz
• Signal-to-Noise Ratio: > 80 dB

Audio Specifications

• Frequency Response: 37Hz – 20kHz
• Transducers: 2 x 5” (123mm) woofer, 2 x 0.75” (20mm) tweeter, 2 circle + 1 racetrack passive radiator

Dimensions & Weight

• Dimensions (W x H x D): 51 x 26 x 21 cm / 20 x 10 x 8 in
• Weight: 5.89 kg / 13 lbs

Control and Connection

• Connection Ports: AC-in, USB-C
• Bluetooth Version: 5.4
• Bluetooth Profiles: A2DP 1.4, AVRCP 1.6
• Bluetooth Frequency Range: 2.4 – 2.4835 GHz
• Bluetooth Transmitter Power: ≤ 14 dBm (EIRP)

Battery

• Type: Rechargeable Li-ion Battery Pack, 99.02Wh
• Charge Time: 3 hours
• Maximum Music Playing Time: 28 hours

Features

• AC power cable (type varies by region)
• AI Sound Boost
• Bluetooth & JBL PartyBoost
• Powerbank
• Auracast support
• Waterproof & Dustproof (IP68)
• Wireless

Box Contains

• 1 x JBL Boombox 4
• AC power cord (plug type varies by region)
• 1 x Quick start guide
• 1 x Safety sheet
• 1 x Warranty card