Nine speakers may seem like overkill, but Dolby's pro Logic IIz fulfills the promise of surround sound: audio that envelops you from all over, not just the sides.

配置九个扬声器似乎显得小题大做，但杜比的Pro Logic IIz的确实现了环绕声音的产品承诺：让声音从四面八方把人包围，而不是只从某些方位发出。

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A former restaurateur, he claims to be pro-business, so long as that business is environmentally sound.

曾经是一名餐厅经营者，他宣称支持商业，只要这些商业对环境无害。

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Plunge into the wonderful world of sound and you'll be speaking like a pro in no time!

投入精彩的声音世界吧，你很快就能像一位专业人士那样说话啦！

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Not only will your eyes be sated, but your ears will be pleasantly surprised with the premium sound from four speakers with TruStudio Pro Sound to deliver the richest mobile sound state on the market.

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If this wasn't enough, "THE CRASH" has a pro level sound produced by the speaker drivers that are completely protected with an ultra-strong, metal cabinet.

ENGADGET: Philips showcases its 2013 Fidelio audio lineup at CES, we go eyes-on

For those that prefer an over-the-ear headphone model, Koss has introduced STRIVA PRO, which combines superior sound quality with elegant design.

ENGADGET: Koss intros Striva headphone systems, lets you stream music over WiFi straight to your ears