Chair including multi-channel sound system

A chair including a multi-channel sound system, including at least 1) a headrest portion configured to support a head part of a user, 2) a backrest portion configured to support a back and waist part of the user, and 3) a seat portion configured to support a buttocks part and a part of legs of the user, the chair comprising:

• a sound output portion installed in at least one of the headrest portion, the backrest portion, and the seat portion and configured to receive a multi-channel sound signal and implement a multi-channel sound system,
• wherein the sound output portion includes a first speaker mounting portion provided to extend in a transverse direction and in which at least one speaker is installed and a second speaker mounting portion and a third speaker mounting portion provided to extend in a longitudinal direction on both sides of the first speaker mounting portion and in which at least one speaker is installed,
• wherein each of the first speaker mounting portion, the second speaker mounting portion, and the third speaker mounting portion comprises:
• a first panel extending in a vertical direction;
• a second panel protruding from an upper end of the first panel toward where a user who sits in the chair is positioned;
• and
• a third panel protruding from a lower end of the first panel toward where the user who sits in the chair is positioned,
• wherein the first panel, the second panel, and the third panel form a half-closed structure that is closed by the first panel, the second panel, and the third panel,
• wherein at least one speaker is installed inside the half-closed structure, and
• wherein an entire portion of at least one speaker is positioned inside the half-closed structure.