A sound reproduction system (10) comprises a supporting structure (2) that includes a distribution circuit (23); a loudspeaker box (1) that is removably connected to the supporting structure (2) and includes a cabinet (11) and a sound transducer (12) associated with the cabinet (11); a connection circuit (13), which is connected electrically to the distribution circuit (23) of the supporting structure (2) and is configured to receive a signal from the distribution circuit (23) and to transmit it to the sound transducer (12), the connection circuit (13) of the loudspeaker box (1) being connectable to the distribution circuit (23) of the supporting structure (2) at a plurality of angular positions, rotated relative to each other about the longitudinal axis (A).