Abstract: A light-bulb (1) comprises: a connector (6) designed to connect the light-bulb (1) to a lamp holder or to a socket for electrically powering the said light-bulb (1); a body (5) with an elongated form along an axis (A) and a side wall (41) defining an inner space (90), said body (5) having a first end connected to the connector (6) and a second open end for defining an outer portion (43) opposite to the engaging connector (6); at least one lighting element (200) arranged inside the space (90); a receiver (15) arranged inside the space (90) and able to communicate wirelessly with a sound signal emitter (32); an amplifier (56) arranged inside the space (90) and connected to the receiver (15) and to the loudspeaker (16) in order to amplify the signal received from the receiver; an acoustic loudspeaker (16) arranged inside the space (90) and connected to the amplifier (56) so as to receive said signal and emit corresponding sound waves; an annular support (46) arranged inside the space (90) in said outer portion (