A speaker apparatus includes: a speaker operable to emit a sound; a receiver operable to receive an operation signal for operating an external apparatus; a relay section; a storage operable to store correspondence between operation information and operation signals that includes a first operation signal and a second operation signal; and a controller: when the operation signal received by the receiver is the first operation signal, operable to cause the relay section to transmit the operation signal received by the receiver to the external apparatus, and operate the speaker apparatus in accordance with operation information that corresponds to the first operation signal; and when the operation signal received by the receiver is the second operation signal, operable to prevent the relay section from transmitting the operation signal received by the receiver to the external apparatus.