A stereo component is a device used to create or enhance sound. The most common components are an amp (3 letters), which amplifies the sound; a TUNER (5 letters), which receives radio signals; a preamp (6 letters), which boosts the signal before it reaches the amplifier; a hifi (4 letters), which is a high-fidelity sound system; a TWEETER (7 letters), which produces high-frequency sound; a tapedeck (8 letters), which plays and records audio tapes; and a tapeplayer (10 letters), which plays audio tapes.