【Perfect HIFI Sound】Adopt TPA3116D2(with AM interference suppression function) chip, with excellent sound quality. It ensures that even with high power operation for a long time, THD is less than 0.1%.
【Mini but Powerful】2 CH stereo output power 50watt * 2, working voltage range DC5-27V, for 4-8Ω, 50watt-200watt passive speakers.
【Two Input Ways】Support 3.5mm wired input and Bluetooth 5.0 input. Bluetooth signal distance up to 49ft. With volume control and power switch, Ideal for DIY your passive speakers.
【Ensure Safety】This Bluetooth amplifier board has a bottom plate and a top plate, supports reverse connection protection, Over-voltage protection, under-voltage protection, Over-heat protection, Short-circuit protection.
【High Power High Sound Quality】It is recommended to use a DC15V-24V power adapter with a current above 2A. We support 18 months warranty and lifetime technical service. If you have any questions, please feel free to contact us.
You can also choose other models:
ZK-502L Bluetooth 5.0 Amplifier Board( DC15V-24V)
ZK-502T Bluetooth 5.0 Amplifier Board(Bass and Treble)
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