To play them all at once I just taped them on a piece of wood together with a battery powered speaker.

顺便说一句，那个底部是一个圆形的音箱而所有的手机都是绑定在一个长木头条上，绝对山寨。

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The crazy looking speaker can fit in your car's cupholder and don't worry about batteries, the gadget is powered by car's accessory socket.

不仅可以放在车里面的绝缘子螺脚，且不用但心电池的问题，因为可以用车里配置的插座。

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The R-15PM powered monitors deliver room-filling sound without taking up much space. This highly efficient, powerful yet minimalist speaker engulfs listeners in their favorite movies and music.

15PM有源监听箱占地面积不大，但却具有能充满整个空间的大音量。这款高效能、大功率且外观紧凑的音箱能在聆听者观看最爱的电影或是享受最喜爱的音乐时满足其对音箱的所有要求。

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Specs were a bit thin but we do know it's made up of thousands of blue lights, oversized knobs and the speaker cabinet contains four speakers powered by three separate amps -- the bottom speaker being a huge 15" "Ultra Super Woofer.

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The latest edition to the company's line of solar powered speakers, Rukus XL features eight full-range speaker drivers that produce stereo-quality sound and one-touch device pairing, providing the ultimate music-listening experience.

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It's the first stereo speaker to offer 360-degree sound in a battery-powered device, and features a 15-hour rechargeable battery.

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