XHA105 Bluetooth 5.0 TDA7498 Digital Amplifier Board 2x100W Stereo Audio AMP Module Support TF Card AUX Key benefits and features fidelity twochannel amplifier using TDA7498 for clear, stereo sound performance Wide input voltage range of DC 1230V for flexible power options, suitable for cars, DC supplies, and DIY projects Versatile audio inputs: Bluetooth 5.0 wireless, TF card playback, and AUX 3.5 mm line input; can be connected directly to mobile phones, MP3 players, and other audio sources Builtin volume control via a potentiometer; rotate clockwise to increase volume and counterclockwise to decrease Powerful output: 2 x 100W stereo power for capable room or cabinet fill Model identification: XHA105 Practical for multiple applications: car audio, home Bluetooth speakers, and DIY audio projects 23 practical use scenarios Car audio upgrade: use the 1230V DC supply and the twochannel output to drive a compact car speaker system with Bluetooth streaming, TF card playback, or AUX input Home audio or Bluetooth speaker build: create a twochannel amplifier for a small home stereo or DIY speaker enclosure with Bluetooth 5.0 streaming and local TF card playback DIY audio projects: integrate into custom speaker enclosures, portable amplifiers, or project boxes that require a reliable 2x100W digital amplifier with flexible sources Specifications snapshot Chip: TDA7498 Input voltage: DC 1230V Output: 2 x 100W (stereo) Bluetooth: 5.0 Inputs: Bluetooth, TF Card, AUX 3.5 mm Volume control: potentiometer (CW to increase, CCW to decrease) Model: XHA105 Applications: twochannel Bluetooth 5.0 power amplifier board with TF Card and AUX support