

The other end of the tube is taped to the side of a microphone, extending enough to direct the reproduced sound in or near the performer's mouth. The switch is usually a push-on/push-off type. A foot-operated switch on the box directs the sound either to the talk box speaker or to the normal speaker. The box has connectors for the connection to the speaker output of an instrument amplifier and a connection to a normal instrument speaker.

The speaker is generally in the form of a compression driver, the sound-generating part of a horn loudspeaker with the horn replaced by the tube connection.

A talk box is usually an effects pedal that sits on the floor and contains a speaker attached with an airtight connection to a plastic tube however, it can come in other forms, including homemade, usually crude, versions, and higher quality custom-made versions.
