SOUND-ABSORBING DEVICE AND VEHICLE

Provided is, for example, a sound-absorbing device capable of coping with noise in various frequency bands and a vehicle to which the sound-absorbing device is applied. A sound-absorbing device includes a plurality of acoustic meta materials, each of the plurality of acoustic meta materials includes a plurality of sound-absorbing parts, and at least a first acoustic meta material and a second acoustic meta material out of the plurality of acoustic meta materials differ in target frequencies that are sound frequencies to be absorbed.