Safety Protection: This Amp Board Has Overheat Protection, Circuit Protection, Over-voltage and Under-voltage Protection; ZK-502MT amplifier board supports a wide input voltage range from 9V to 24V DC, and can be powered by 9V, 12V, 19V, or 24V. This adaptability ensures that you can easily find the right power source.; The board is suitable for 20-200W, 4-8 speakers, and can be perfectly matched with speakers of all sizes, Experience superior audio quality with the ZK-502MT 50W x 2 Bluetooth-Compatible Amplifier Board, for high-power stereo output and THD 0.1 %; ZK-502MT Bluetooth Amplifier Board Supports 2.0 -channel configuration, including left channel and right channel output. The left and right channels each provide 50W output power, creating an immersive sound experience.;
Package: 2PCS ZK-502MT Bluetooth Amplifier Board, 50W+50W 2.0 Channel Amp Board with Treble and Bass Control, DC 9-24V, Bluetooth and AUX Inputs, Audio Amp Board for Home DIY Wireless Speakers