You searched for: “amplifiers
amplifier (s), amplifiers (pl)
1. Something that amplifies, enlarges, or extends.
2. In electronics, a device, especially one using transistors or electron tubes, which produces the amplification (increase) of an electrical signal.
3. A device that makes sounds louder; especially, one that increases the sound level of musical instruments.
4. An electronic device that increases the magnitude of a signal, voltage, or electric current.