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Description:
The audio module is powered by a single power supply DC9-24V, the higher the relative voltage, the stronger the driving force.
With socket, you can use different power amplifiers to achieve different sound styles.
The power supply of the board is only filtered by the power supply. Please use a high-quality and pure power supply. It is recommended to use battery power. An unclean power supply may cause noise.
Judgment method of noise floor: short circuit at the input end, or adjust the volume potentiometer to the minimum test to ensure quietness. There is noise when connected to a computer or mobile phone, it is not a problem of the amp board.
Shipping list:
1pcs Portable Headphone Amplifier Hi-Fi 3.5mm Audio Jack Moudle DC 9-24V
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Category: Sound and Vision:Home Audio and HiFi Separates:Amplifiers and Pre-Amps
Location: Shen Zhen