Feature: 1. High power makes mega bass more interesting. Large heat dissipation area, can better improve service life. 2. Wide working voltage, energy saving design, efficiency up to 90%, convenient and practical. 3. Adopts printed circuit board, safe to use. Power amplifier chip is TDA8954TH, the recommended input voltage is AC dual 24V (up to 30V). 4. Small size, equipped with a set of accessory for easy installation, stable performance and meet your needs. 5. Strictly follow the manufacturing standard to make sure excellent performance, reliable to use. Specification: Condition: 100% Brand New Item Type: Audio Amplifier Board Material: Printed Circuit Board Product Type: XH-M252 Power Amplifier Chip: TDA8954TH Input Voltage: Recommended AC dual 24V (up to 30V) Number of Channels: Left and right dual channels Output Impedance: 2-8 Ohms. Package List: 1 x Audio Amplifier Board8 x Stud4 x Nut6 x Shell Sheet