TruSemi TBA820M Audio Amplifier 1.2W Class B 8 Ohm DIP8

OHM - A measure of resistance named after George Simon Ohm

Frequency - A term used to describe how often something is done

Frequency - A wave frequency is the number of times a wave repeats within a given time

Audio - Also known as sound. An audible vibration wave which can be heard.

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