UNBEATABLE JBL PRO SOUND WITH AI SOUND ENHANCEMENT
We're talking about powerful sound with deep, punchy bass. The redesigned JBL Boombox 4 features two larger woofers, two tweeters, and three passive radiators, so every song sounds louder and clearer.With AI Sound Boost, you don't even have to lift a finger—this smart technology analyzes your music in real time and adjusts the sound to deliver more power with less distortion, even when the volume is turned up to the max.


UP TO 34 HOURS OF PLAYBACK
Keep the party going from one event to the next—and then to the next—with up to 28 hours of playtime on a single charge. Forgot to charge it for the next event? No worries. JBL Playtime Boost adds up to 6 hours of extra beat, movement, or whatever else you have in store.


WATERPROOF AND DUSTPROOF
JBL Boombox 4 is waterproof and dustproof to IP68 standards, so it can handle anything – no matter the weather or our clumsiest friends.
















Connect multiple speakers with Auracast™Wouldn't it be great to share the vibe with the whole crowd?With Auracast™, you can easily connect two Boombox 4 speakers in stereo mode for a wider sound experience, or connect multiple JBL speakers with Auracast™ enabled to cover even more space with the same playlist.
Two bass boost settings – for every moodWhen it comes to bass, we like to have options.Turn on the JBL Boombox 4 and enjoy that classic JBL sound we all love.Want even deeper bass? Press the Bass Boost button on the top panel – the JBL logo will light up orange and you'll be in Deep Bass mode, where two woofers and three passive radiators show their power.For a tighter, more energetic sound, press the button again – the logo will turn white and you'll switch to Punchy Bass mode.Whatever your mood, we have the bass to match.
Bigger, louder, and lighterThe JBL Boombox 4 sounds bigger and better than ever before—but the real win is that we've made it lighter than before.Now it's much easier to create the right atmosphere anywhere.
Lossless playbackWant to hear every detail?Connect the Boombox 4 to your computer or other audio device via the USB-C port and enjoy lossless audio playback.Perfect for true music lovers who want to get the most out of their music.Just make sure your source supports lossless audio playback.* Requires lossless compatible content from supported apps or services.
Recycled plastic and fabric, and FSC-certified packagingThe JBL Boombox 4 is made from recycled plastic and recycled fabric for the speaker's protective grille.It is packaged in FSC-certified paper printed with soy-based vegetable ink.
replaceable batteryWant your speaker to last even longer?Simply replace the battery in three easy steps and your JBL Boombox 4 will be back to full power.** Replacement battery sold separately.


Technical details:
Output power (W):


(AC mode) 2 × 65 W RMS woofer, 2 × 40 W RMS tweeter


(Battery mode) 2 × 60 W RMS woofer, 2 × 40 W RMS tweeter


Input voltage: 100–240 V AC; 50/60 HzSignal-to-noise ratio: > 80 dB
Audio specifications


Frequency range: 37 Hz – 20 kHz


Speakers:


2 × 5" (123 mm) woofers


2 × 0.75" (20 mm) tweeters


2 round + 1 oval passive radiator




Dimensions


Dimensions (W × H × D): 51 × 26 × 21 cm


Dimensions (W × H × D): 20 × 10 × 8 inches


Weight: 5.89 kg (13 lbs)


Control and connectivity


Connections: AC-in, USB-C


Bluetooth profiles: A2DP 1.4, AVRCP 1.6


Bluetooth frequency: 2.4–2.4835 GHz


Modulation: GFSK, ?/4 DQPSK, 8DPSK


Transmitter output power: ? 14 dBm (EIRP)


Bluetooth version: 5.4


Connection ports: AC-in, USB-C


Battery


Charging time: 3 hours


Battery type: rechargeable Li-ion battery (99.02 Wh)


Cable length: 2 m (6.6 ft)


Cable type: power cable (AC Power Cable)


Maximum playback time: 28 hours


Features


AC power supply (depending on region)


AI Sound Boost


Bluetooth connectivity


Auracast support


Water resistance


Wireless connectivity


Dust resistance


IP68 protection


Manufacturer's website

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