2.1 Channel Subwoofer Amplifier Board – 100W Power Amplifier Board with Volume Control for Home Theater and Stereo Audio Power Board ZK HT21 Power Amplifier Board

About this item Multi-Function Input: This DIY Subwoofer Amplifier is compatible with a variety of input sources, including mobile phones, tablets, computers, CD players, etc., making it suitable for a variety of audio devices. Precise Volume Control: Enjoy precise control over your audio experience with support for subwoofer volume adjustment and independent control of treble and bass for the left and right channels. It also includes a built-in subwoofer low-pass filter with crossover control. Stable Performance: The HiFi amplifier board has a simple and compact layout, which ensures stable performance even at high power output. You can expect minimal popping or audible noise during use. Powerful Output: The Volume Control Amplifier Kit features 50Watt x 2 and 100Watt of 2.1-channel stereo output power for passive speakers from 4 to 8Ω, 50Watt to 300Watt. It operates from DC12 to 24V to provide powerful audio performance. Enhanced Safety: Safety features include reverse polarity protection, over- and under-voltage protection, over-temperature protection, and short-circuit protection to ensure a safe and reliable audio experience.