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 .