Features 1、Compatibility: Featuring BT 5.1, our stereo amplifier board ensures higher transfer efficiency and stability, with an extended range for seamless sound streaming across devices. 2、Multi Safety: This amplifier includes short circuit and thermal safety, along with overvoltage, undervoltage, and DC safety, safeguarding against complete failure and ensuring longevity. 3、User Friendly Volume Control: With a convenient potentiometer for volume adjustment, our amplifier is suitable for speakers, allowing effortless control for an enhanced sound experience. 4、Versatile Applications: The XY D50L amplifier is suitable for various environments, from retail displays to home theaters, making it a popular choice for excellent performance. 5、Wide Device Compatibility: Our amplifier board is compatible with tablets, TVs, smartphones, and BT enabled laptops, making it a versatile addition to your sound setup. Specification Item Type: BT Amplifier Board Material: ABS Power Supply: DC9-24V 5A BT Version: 5.1 Sound Inputs: BT, AUX, USB USB Decoding: WAV FLAC APE MP3 Left Right Channel Output Power: 2x10W at 8Ω 12V, 2x20W at 4Ω 12V, 2x30W at 8Ω 24V, 2x50W at 4Ω 20V Safety Mechanism: Overvoltage, Short Circuit, Overheat, Overcurrent Safety Remote Control Function: for Xinyilian APP Light Modes: Volume Mode, Colorful Mode 1, Colorful Mode 2 Package List 1 x BT Sound Amplifier 1 x Screwdriver 1 x DC Adapter