A device to magnify sound, or direct it in a given direction in a greater volume, as a very large funnel used as an ear trumpet or as a speaking trumpet.

a cone-shaped acoustic device held to the mouth to intensify and direct the human voice

a cone -shaped device designed to amplify sound

a funnel-like tube that forms a beam of sound waves by reflecting some of the diverging rays from the sides of the tube

a portable, usually hand-held, funnel-shaped device that is used to send a person's natural voice toward a targeted direction

a portable, usually hand-held, funnel-shaped device that's application is to send a person's

a strictly acoustic device, and rolling some posterboard into a cone, and singing through it should do the trick

a funnel (cone) shaped device for amplifying or directing sound

cone-shaped tube that makes someone’s voice louder

A large funnel-shaped horn used to increase the volume of the voice.