The TB4420 power amplifier circuit is a high-gain, low-noise high-power amplifier circuit. The circuit is internally equipped with a signal-cut type load short-circuit protection circuit. It can use 2 ohm load impedance. The output power is large, the voltage gain is high, and the harmonic distortion is low. The output noise is small. Therefore, it is suitable for car radios, audio players, portable, desktop recorders, etc.
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