Source components, preamplifiers and power amplifiers (and Integrated) are the key building blocks in any quality audio system.

1. Source: These are the playback devices. Including CD players, turntables, music servers or network players.
2. Preamplifier: A crucial component that is saddled with the task of delivering the delicate signal from the source.
3. Power Amplifier: The work horse. Applies current to the voltage gain of the pre-amplifier. When connected to a loudspeaker, this is the music we hear.