| 摘要 |
An acoustic system (100) which reproduces sounds on the basis of an external acoustic signal PAS output from a portable acoustic system (500) comprises a power supplying part (170) that is a power supplying means for supplying a power of predetermined voltage to the portable acoustic system (500), a control unit (110) that is a control means for informing the portable acoustic system (500) of function setting information FRP that is operability information which specifies whether or not intrinsic operation input utilizing an intrinsic operation input means disposed in the portable acoustic system is possible and for controlling information contents, and loud speakers (130L, 130R) that are sound reproducing means for reproducing sounds on the basis of the external acoustic signal PAS. As a result, the acoustic system (100) is realized which can improve a user's convenience in association with the portable acoustic system (500).
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