It's been a while since anyone's wandered the streets blasting tunes from a boombox on their shoulder, but it looks like one company wants the basic idea to make a comeback. Meet the BeatBringer, a backpack boombox that cranks the portable Bluetooth speaker up to 11.

Essentially a concert speaker mounted on your back, the BeatBringer blasts out 110 dB of sound, thanks to a pair of 6-in neodymium woofers and two 25 mm dome tweeters, optimized for outdoor use. It's powered by a four-channel amplifier, two 75 W channels and two at 25 W, and runs on a 4,400 mAh lithium-ion battery, which reportedly gives a solid 15 hours of playback at normal and high volume. If you're out at a festival for the weekend with nary a power socket in sight, the battery is easily swappable.

Like many current portable speakers, the BeatBringer connects to your phone or other audio device via Bluetooth, NFC or a regular 3.5 mm jack, with the latter also allowing you to chain multiple speakers together from line-out to auxiliary in – although that sounds like it would take some serious choreography from everyone wearing the packs.

Since it's specifically intended for street parties, music festivals, running, skating and "just regular showing off," the BeatBringer is wrapped in an impact-resistant ABS polymer shell to help protect it from general bumps and knocks. The company says that the woofers feature a composite membrane that makes them water-resistant, though there's no mention of whether the tweeters are similarly capable.

Tipping the scales at about 6 kg (13 lb), the BeatBringer is far from the most portable of portable speakers, but that's not really the point. It's an attention-grabber, and even more so if you nab one of the limited edition units sporting a custom paint job by graffiti artist Becomeone, which will be available as part of a Kickstarter campaign to fund production that kicks off July 14.

Source: BeatBringer

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