Dualchannel 50W+50W audio power amplifier module using a TDA7492 chip with a NE5532 preamp Key benefits Strong, clear output: 50W per channel (50W+50W) powered by the TDA7492 dualchannel amplifier, suitable for engaging stereo playback. Reliable, distortion performance: Digital amplifier has higher overload capacity than analog, and it does not produce crossover distortion or transient modulation distortion, reducing stress on speakers and improving listening experience. Consistent sound quality: Designed to deliver solid and clean sound through the integrated preamp stage. What this module offers NE5532 preamp and TDA7492 dualchannel amplifier configuration for simple, integrated audio amplification. Bluetooth input: supports Bluetooth V4.0 audio input for wireless connectivity. Wide power input range: accepts DC input from 8V to 25V, allowing flexible power options. Compatibility and use cases Home audio projects: ideal for DIY active speakers or Bluetoothenabled stereo setups. Small to medium venues: suitable for compact PA or public address applications with Bluetooth source. DIY audio builds: convenient module for integrating wireless input and quality amplification into custom speaker enclosures. Use scenarios Build a Bluetoothenabled bookshelf speaker system for a living room or study, using a standard DC supply within 825V. Create a compact Bluetoothpowered active speaker bar for a home theater or computer desk setup. Develop a small portable PA or karaoke system by pairing with Bluetooth audio sources and providing robust twochannel amplification.