PRESSURE ADJUSTOR AND METHOD OF MANUFACTURING THE SAME, SPEAKER DEVICE USING THE PRESSURE ADJUSTOR, ELECTRONIC DEVICE, AND VEHICLE

摘要

A pressure adjustor includes a sheet-like supporter formed of unwoven fabric or woven fabric, a plurality of activated carbon powder particles attached to the supporter, and binders binding the plurality of activated carbon powder particles to each other. If this pressure adjustor is disposed inside a cabinet of a speaker device including a speaker unit provided in the cabinet, a speaker device is obtained which has an excellent bass reproduction effect even if the device is made small.