[Zhongguancun online audio channel original] portable audio has now become an important field of multimedia audio product line, initially to help notebook users to achieve higher quality performance, and produced a small volume of laptop speakers, and then on this basis developed a .more features, and taking into account the mobile use of the environment, the emergence of portable audio products comes with audio, so both have a small portable sound, and light weight. .

each type of product can not cover everything, although to meet the portable audio feature-rich, easy to carry features, but the sound quality is bound to make some abandon, most portable audio .product quality can not be compared with the traditional PC speakers. .To further enhance the quality, focus on the small speaker Lang piano brand products recently introduced new technology, "dual voice coil technology" for the first time applied to the model for the X7's Long piano products. .

Long Qin X7 Portable Speakers

Long Qin X7 Portable Speakers: firmware version