JBL Boombox 4 Bluetooth Speaker

JBL Boombox 4 Bluetooth Speaker

The JBL Boombox 4 is built for those who demand extreme power, bold sound, and unstoppable performance. Designed to dominate any environment, this portable Bluetooth speaker delivers thunderous bass, crystal-clear audio, and long-lasting battery life — perfect for parties, outdoor adventures, and large gatherings.

Extreme JBL Pro Sound

Feel the music with upgraded drivers and enhanced bass performance that deliver room-shaking lows and clear highs. The Boombox 4 fills large spaces effortlessly, ensuring every beat hits hard and every note stays sharp.

Massive Bass Performance

Engineered with a powerful subwoofer and optimized acoustics, the Boombox 4 produces deep, punchy bass you can feel — making it ideal for bass-heavy tracks and live-party energy.

Built for the Outdoors

With an IP67 waterproof and dustproof rating, the Boombox 4 is ready for pools, beaches, rain, and dusty environments. Its rugged housing and solid metal handle make it tough enough for any adventure.

All-Day Battery Power

Enjoy extended listening with a high-capacity battery that keeps the music going for hours. Whether it’s a full-day event or an overnight party, the Boombox 4 delivers uninterrupted sound.

Wireless Freedom & Party Mode

Stream music seamlessly via Bluetooth and connect multiple compatible JBL speakers using PartyBoost to create a bigger, louder soundstage for large events and celebrations.

General Specifications

Output power (W) (AC mode) – 2 x 65W RMS Woofer, 2 x 40W RMS Tweeter (Battery mode) – 2 60W RMS Woofer, 2 x 40W RMS Tweeter

Power Input 100 – 240 Vac; 50/60 Hz

Signal-to-Noise Ratio > 80 Db

Audio Specifications

Frequency Response 37Hz – 20 kHz

Transducer 2 x 5 inch / 2 x 123mm woofer, 2 x 0.75 inch / 2 x 20mm Tweeter, 2 pcs circle + 1 pc racetrack passive radiator

Dimensions

Dimensions (Width x Height x Depth) (cm) 51 x 26 x 21

Dimensions (Width x Height x Depth) (in) 20 x 10 x 8

Weight (kgs) 5.89

Weight (lbs) 13

Control and Connection Specifications

Connection AC-in, USB-C

Bluetooth profiles A2DP 1.4, AVRCP 1.6

Bluetooth frequency 2.4 GHz – 2.4835 GHz

Bluetooth transmitted modulation GFSK, π/4 DQPSK, 8DPSK

Bluetooth transmitter power ≤ 14dBm (EIRP)

Bluetooth Profile A2DP 1.4, AVRCP 1.6

Bluetooth Transmitter Frequency Range (GHz) 2.4 – 2.4835

Bluetooth Transmitter Modulation GFSK, π/4 DQPSK, 8DPSK

Bluetooth Transmitter Power ≤ 14dBm (EIRP)

Bluetooth version 5.4

Connection Ports AC-in, USB-C

Battery

Battery Charge Time (hours) 3

Battery Type Rechargeable Li-ion Battery Pack 99.02Wh

Cable Length (ft) 6.6

Cable Length (m) 2

Cabel Type;AC Power Cable

Maximum music playing time (hrs) 48

Features

AC power cable (type varies by regions) Yes

AI Sound Boost Yes

Bluetooth Yes

Powerbank Yes

Supports Auracast Yes

Waterproof Yes

Wireless Yes

Dustproof Yes

IP Code IP68