Fosi Audio ZK-502C Bluetooth 5.0 Amplifier Board, 2 Channel Mini Stereo Audio Receiver 50W x 2

• 【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.

ZK-Board User Manual

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)