ZK-HT21 TDA7498E Bluetooth Amplifier Board 160W×2+220W Subwoofer 2.1 Channel Audio Receiver Power Amplifier Module with Treble and Bass Control for DIY Speakers

3-in-1 multi-function input: This power amplifier board integrates AUX, Bluetooth, and USB input methods, enabling you to connect a variety of audio sources. Easily switch between input modes and songs using the dial button for a smooth music experience.
Powerful sound field experience: The integrated TDA7498E power amplifier chip supports a 2.1 channel configuration, containing left channel, right channel, and subwoofer output. The left and right channels each deliver 160W of output power, and the subwoofer reaches a maximum output of 220W, creating an immersive audio experience.
Wide power supply adaptation range: The board operates with a DC 15V to 36V power supply, features undervoltage protection below 9V, and supports a 12V power supply option. You can select a suitable power supply method according to your requirements. Compatible with a variety of speakers: The board works with 30W to 200W, 4 to 8 speakers, making it suitable for speakers of various specifications. Whether for small speakers or larger audio equipment, it coordinates effectively.
Comprehensive protection mechanism: The power amplifier board includes built-in protection against reverse polarity, undervoltage, overheating, overcurrent, and short circuits. These features help maintain the safety of your audio system and speakers