Feature:1. High Power Output: The Bluetooth amplifier module delivers an impressive 100W output per channel and 200W for the subwoofer, providing a powerful sound experience that enhances your enjoyment of music and movies. This robust power output ensures clear and dynamic sound across all media, making it a good addition to any home theater or sound setup.2. Wide Compatibility: This stereo AMP board is designed to support a broad range of speaker impedances, accommodating left and right channels at 3-8 ohms (up to 100W) and a subwoofer at 2-8 ohms (up to 200W). This versatility makes it suitable for various sound configurations, ensuring optimal performance whether youre using compact speakers or larger floor standing models.3. Multiple Input Options: The amplifier board comes equipped with various input options, including Bluetooth, AUX, USB, and a sound card, allowing you to easily connect your devices. This flexibility lets you enjoy your favorite music in the way that suits you best, whether streaming wirelessly from your smartphone or connecting directly through an auxiliary cable.4. Advanced BT Connectivity: Featuring a high performance 5.1 Bluetooth chip, this sound power amplifier module offers a spacious wireless transfer range of up to 15 meters. This advanced Bluetooth capability enables you to stream music without compromising sound quality, making it easy to control your sound experience from a distance.5. Comprehensive Guard Mechanisms: The 2.1 channel amplifier module is equipped with robust gaurd features, including under voltage, reverse polarity, over temperature, over current, and short circuit guards. These safety mechanisms ensure good operating and long term durability, providing peace of mind while using the amplifier in various environments.Specification:Item Type: Sound Power Amplifier ModuleMaterial: Copper, PCBPower Input: 12-30V DC, Recommended Voltage 24V-28V, Current Above 10AMaximum Power: Left or Right Channel, 105W at 30V, 4; 55W at 30V, 8Subwoofer, 208W at 30V, 2, 105W at 30V, 4The higher the voltage, the lower the resistor, the greater the output power.Speaker Compatibility: Left and right channels support 3-8 ohms, up to 100W speakers, Subwoofer supports 2-8 ohms, up to 200W speakersBluetooth Chip: for Jerry 5.1, Transfer Distance 15MInput Method: BT, AUX, USB Flash Drive, Sound Card (USB flash drive not included)Channel Number: 2.1, Left Channel, Right Channel, SubwooferAmplifier Chip: 2 TI Original TPA3221 ChipsGuard Mechanism: Input Undervoltage, Input Reverse Connection, Overheat, Overcurrent, Short Circuit GaurdSize: Approx. 10 x 10 x 2cm / 3.94 x 3.94 x 0.8in.Package List:5 x Knob Caps1 x PCB Board1 x Adapter1 x Screwdriver