Description: Useful: This kind of for amplifier board can be used as a good development accessory for your speaker, you can control the volume through the button, not easy to make trouble for you. Wireless: This digital power for amplifier adopts bluetooth-compatible V5.0 technology, so you can connect it to your phone and tablet quickly, making your for operation easier. Good performance: This stereo amp module is designed with 470uf 35V solid capacity, which ensures a good heat dissipation capacity, you can use it without worrying about damaging your device. Stereo sound: This amplifying board works with left and right channels, providing you with a clear and excellent music sound effect, you can enjoy music easily. Replacement: You can install the amp board quickly, replacing the old or damaged one perfectly, and it can be used for a long time without being cracked. Specification: Material: ABS. Color: show as pictures Size: approx. 82x50x18mm/3.23x1.97x0.71inch. Suit voltage: 5-24V. Suit speaker: 30W-200W, 4Ω, 8Ω. Channel: left, right. Bluetooth-compatible version: V5.0. Bluetooth-compatible distance: approx. 15m/590.55inch. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package Includes: 1 Piece Power for Amplifier.