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an electronic device that strengthens electrical signals or causes sounds to get louder
An amplifier is an electronic device that increases the strength of an audio or electrical signal. It takes a weak input signal and boosts it to a higher level, which can then be sent to speakers, headphones, or other equipment. In audio systems, amplifiers enhance the sound signal to ensure it is loud enough and clear enough for listening. They come in various types, including those for home audio systems, musical instruments, and professional sound setups, each designed to meet specific needs and performance requirements.
- The guitarist plugged his electric guitar into the amplifier to increase its volume.
- She adjusted the settings on the amplifier to enhance the bass tones during the concert.
- The lecture hall was equipped with a powerful amplifier to ensure everyone could hear the speaker clearly.
- He tested the microphone with the amplifier to ensure it was functioning properly before the event.
- The sound engineer adjusted the amplifier levels to achieve optimal sound quality for the live performance.