Audio Limiter

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https://www.electronics-lab.com/project/audio-limiter/

Based on the NJM2761 chip, this adjustable audio limiter provides effective speaker protection by maintaining a low-noise output with a user-definable limit range of 0.2V to 1V across a wide DC power supply.

2.1 Channel Audio Processor with Subwoofer Output

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https://www.electronics-lab.com/project/2-1-channel-audio-processor-with-subwoofer-output/

  This board is an Audio Processor built using PT2033 chip audio processor designed for versatile applications. It includes 3 stereo input selectors with internal gain and master volume control with low-frequency loudness compensation. It is capable of individual channel output volume adjustment and also tone control. The PT2033 is 2.1 CH Audio Processor with […]

2.5W Stereo Audio Amplifier using LM4752

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https://www.electronics-lab.com/project/2-5w-stereo-audio-amplifier-using-lm4752/

The Stereo Audio Amplifier project shown here is capable of delivering 2.5W per channel of continuous average output power to 4Ω loads using a single 12V supply at 10% THD+N. The project is built using the LM4752 chip. This chip is specifically designed for single supply operations and low external components count. The gain and […]