Applicable Fields： AN-05 is an unprecendented perfect mobile Portable Audio or Speaker Systems, which is ideal for use with any portable or mobile devices or players like Ipod, MP3 Players, PMP, Portable DVD/CD Players, Notebook, Mobile Phone, digital camera or etc.. and more, it is a perfect & classic decroration of your desk. Detailed technical advantages:1) Subwoofer box casing formed by die-casting technology, with adoption of high rigid aluminum alloy, substantial and reliable, ensured the internal super compact & high intensity woofer speaker present you a massive sound field with not any distortion. 2) Mini construction, but with treble, mediant, woofer, total 5 speakers powered by ternary cross over circuit, makes the unit featuring perfect performance under full sound frequency range. 3) Toroidal transformer, with adoption of the latest technology of composite multi-layer, super-thin, directional silicic steel sheet, and with international certified quality non-oxidation copper wire , the super-compact & large out put power toroidal transformer is specially designed and winded, thus supplying strong electrical power and unlimited dynamic. 4) Circular-shaped satellite sound box casing is made of aluminum alloy, with adoption of die-casting for formation, it ensure the classic appearance and can eliminate the extended sound waves caused by vibration. And the perfect details completely represent the designers meticulous working style and the design concept of originality. 5) The treble unit adopts an up-to-date synthetic fiber textile basin,completed with an extra-light silk vibrating membrane and a mini rear hole guided sonic wave chamber , making the unit feature high impact and exaggerated, clean and translucent sound. 6) With super-large capacitor, 12000uf one produced by famous maker, receiving the kernel of Hi-Fi design concept and representing the instant" break-out force " dynamic of the pure power amplifier and large-size sound box , the unbelievable and unimaginable sound effects can be realized. 7) The control system adopts the full-line digital soft-touch system with integration of combined functional buttons designed with human engineering, thus letting your operation with no any noise at discretion and making every thing in your control.