Dolby Sound Room: This is targeted at entry level users and supports 2-channel 5.1 audio using only 2 speakers.

杜比声室：这是针对入门级用户，并支持2声道音频5.1使用只有2扬声器。

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These new models feature ATI Radeon HD4670 video cards, a subwoofer, Dolby Surround II capabilities, 16:9 cinema-level displays, and Blue-ray optical drives.

ENGADGET: MSI at CES: Wind U115 / U120, NetOn all-in-one PC, gaming laptops galore