JBL Boom Box Most-Powerful Portable Speaker (20000mAh Battery, Black)

Made to be the most powerful, portable Bluetooth speaker, JBL Boombox delivers monstrous sound along with the hardest hitting bass. Enjoy music for 24 hours without missing a beat. Imagine playing with your favorite beats from sunrise to sunrise on a single charge.

Use the massive 20,000mAh battery and dual charge out to charge your external devices anytime and keep music rocking. Rugged enough to handle your wildest tailgate party, the JBL Boombox is IPX7 waterproof, which withstand any weather and even the most epic pool parties.

Switch between indoor and outdoor modes to optimize sound wherever the party is. In addition, if more massive music is a must, you can connect more than 100 JBL Connect+ enabled speakers under Bluetooth range with just one press of a button. For resetting the deive: Press Headphone Touch Control located on the right ear loop for 15 seconds when Headphones are on charging

Epic Sound. All Day Long.

Made to be the most powerful, portable Bluetooth speaker, JBL Boombox delivers monstrous sound along with the hardest hitting bass.

Enjoy music for 24 hours without missing a beat. Imagine playing with your favorite beats from sunrise to sunrise on a single charge. Use the massive 20,000mAh battery and dual charge out to charge your external devices anytime and keep music rocking. Rugged enough to handle your wildest tailgate party, the JBL Boombox is IPX7 waterproof, which withstand any weather and even the most epic pool parties. Switch between indoor and outdoor modes to optimize sound wherever the party is. In addition, if more massive music is a must, you can connect more than 100 JBL Connect+ enabled speakers under bluetooth range with just one press of a button.

Monstrous Sound Along with the Hardest Hitting Bass

Incorporated four active transducers and two JBL bass radiators, JBL Boombox delivers monstrous sound along with hardest hitting bass that you will not only hear but also see it.

IPX7 Waterproof

Take Boombox to the beach or pool without worrying about rain, spills or submersion in water.

High-capacity 20,000mAh Rechargeable Battery

Built-in rechargeable Li-ion battery supports up to 24 hours of playtime and charges devices via dual USB ports.

Wireless Bluetooth Streaming

Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns playing impressive stereo sound.

Technical Specifications

• Bluetooth version: 4.2
• Support: A2DP 1.3, AVRCP 1.6, HFP 1.6
• Transducers: 4-inch woofer x 2, 20mm Tweeter x 2
• Output power: 2 x 30W (AC mode); 2 x 20W (Battery mode)
• Frequency response: 50Hz-20kHz
• Signal-to-noise ratio: 80dB
• Power supply: 20V/4A